0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

7708bd70088b64148d7d78fd84ede43ced63c713minfrin#include "apr.h"

7708bd70088b64148d7d78fd84ede43ced63c713minfrin#include "apr_portable.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "apr_strings.h"

36a72c96fc2dda27eadbae8a108fa428cc1419c1wrowe#include "apr_thread_proc.h"

1723d9ccdd3b647f5b7bae44cab9ab3eca7a4874dougm#include "apr_signal.h"

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe

2555a6b5da21d61804f47084d8fcc98eb4acbc42wrowe#define APR_WANT_STDIO

2555a6b5da21d61804f47084d8fcc98eb4acbc42wrowe#define APR_WANT_STRFUNC

70535d6421eb979ac79d8f49d31cd94d75dd8b2fjorton#include "apr_want.h"

2555a6b5da21d61804f47084d8fcc98eb4acbc42wrowe

2555a6b5da21d61804f47084d8fcc98eb4acbc42wrowe#if APR_HAVE_UNISTD_H

2555a6b5da21d61804f47084d8fcc98eb4acbc42wrowe#include <unistd.h>

2555a6b5da21d61804f47084d8fcc98eb4acbc42wrowe#endif

1723d9ccdd3b647f5b7bae44cab9ab3eca7a4874dougm#if APR_HAVE_SYS_TYPES_H

e9501b71b8a1e76384cb010b1e41e76a1e47aacctrawick#include <sys/types.h>

e9501b71b8a1e76384cb010b1e41e76a1e47aacctrawick#endif

e9501b71b8a1e76384cb010b1e41e76a1e47aacctrawick

6335eb31f0f0ed54628a04ed32946360b8b77684minfrin#define CORE_PRIVATE

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "ap_config.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "httpd.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "mpm_default.h"

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#include "http_main.h"

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#include "http_log.h"

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#include "http_config.h"

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#include "http_core.h" /* for get_remote_host */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "http_connection.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "scoreboard.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "ap_mpm.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "unixd.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "mpm_common.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "ap_listen.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "ap_mmn.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#include "apr_poll.h"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq#ifdef HAVE_BSTRING_H

a812b025d139f465a31c76fc02ed162ed5271b03nd#include <bstring.h> /* for IRIX, FD_SET calls bzero() */

a812b025d139f465a31c76fc02ed162ed5271b03nd#endif

a812b025d139f465a31c76fc02ed162ed5271b03nd#ifdef HAVE_TIME_H

a812b025d139f465a31c76fc02ed162ed5271b03nd#include <time.h>

a812b025d139f465a31c76fc02ed162ed5271b03nd#endif

a812b025d139f465a31c76fc02ed162ed5271b03nd#ifdef HAVE_SYS_PROCESSOR_H

a812b025d139f465a31c76fc02ed162ed5271b03nd#include <sys/processor.h> /* for bindprocessor() */

a812b025d139f465a31c76fc02ed162ed5271b03nd#endif

a812b025d139f465a31c76fc02ed162ed5271b03nd

a812b025d139f465a31c76fc02ed162ed5271b03nd#include <signal.h>

a812b025d139f465a31c76fc02ed162ed5271b03nd#include <sys/times.h>

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#ifndef DEFAULT_SERVER_LIMIT

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#define DEFAULT_SERVER_LIMIT 256

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#endif

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#ifndef MAX_SERVER_LIMIT

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#define MAX_SERVER_LIMIT 200000

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe#endif

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe#ifndef HARD_THREAD_LIMIT

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe#define HARD_THREAD_LIMIT 1

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe#endif

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

38fd849bd99e2765ee633b6dc576b5f17acdc455wroweint ap_threads_per_child=0; /* Worker threads per child */

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic apr_proc_mutex_t *accept_mutex;

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowestatic int ap_daemons_to_start=0;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic int ap_daemons_min_free=0;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic int ap_daemons_max_free=0;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic int ap_daemons_limit=0; /* MaxClients */

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic int server_limit = 0;

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowestatic int first_server_limit = 0;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic int mpm_state = AP_MPMQ_STARTING;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic ap_pod_t *pod;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

38fd849bd99e2765ee633b6dc576b5f17acdc455wroweint ap_max_daemons_limit = -1;

38fd849bd99e2765ee633b6dc576b5f17acdc455wroweserver_rec *ap_server_conf;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic int one_process = 0;

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowestatic apr_pool_t *pconf; /* Pool for config stuff */

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowestatic apr_pool_t *pchild; /* Pool for httpd child stuff */

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe

9621e4c4056383e4a2b844b14687bae500b33a82wrowestatic pid_t ap_my_pid; /* it seems silly to call getpid all the time */

9621e4c4056383e4a2b844b14687bae500b33a82wrowestatic pid_t parent_pid;

9621e4c4056383e4a2b844b14687bae500b33a82wrowe#ifndef MULTITHREAD

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowestatic int my_child_num;

9621e4c4056383e4a2b844b14687bae500b33a82wrowe#endif

9621e4c4056383e4a2b844b14687bae500b33a82wroweap_generation_t volatile ap_my_generation=0;

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe

4c67ef499845a08771e81254ce6eb2324a160bc7wrowe#ifdef TPF

4c67ef499845a08771e81254ce6eb2324a160bc7wroweint tpf_child = 0;

4c67ef499845a08771e81254ce6eb2324a160bc7wrowechar tpf_server_name[INETD_SERVNAME_LENGTH+1];

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#endif /* TPF */

4c67ef499845a08771e81254ce6eb2324a160bc7wrowe

4c67ef499845a08771e81254ce6eb2324a160bc7wrowestatic volatile int die_now = 0;

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe#ifdef GPROF

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowestatic void chdir_for_gprof(void)

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe{

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe core_server_config *sconf =

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe ap_get_module_config(ap_server_conf->module_config, &core_module);

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe char *dir = sconf->gprof_dir;

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe const char *use_dir;

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe if(dir) {

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe apr_status_t res;

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe char *buf = NULL ;

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe int len = strlen(sconf->gprof_dir) - 1;

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe if(*(dir + len) == '%') {

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe dir[len] = '\0';

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe buf = ap_append_pid(pconf, dir, "gprof.");

41c38e78e8e5dc73544571cc2b749d40869e84fawrowe }

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe use_dir = ap_server_root_relative(pconf, buf ? buf : dir);

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe res = apr_dir_make(use_dir,

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe APR_UREAD | APR_UWRITE | APR_UEXECUTE |

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe APR_GREAD | APR_GEXECUTE |

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe APR_WREAD | APR_WEXECUTE, pconf);

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe if(res != APR_SUCCESS && !APR_STATUS_IS_EEXIST(res)) {

4415d997ac73262e513c0a571bd5be4f609040bawrowe ap_log_error(APLOG_MARK, APLOG_ERR, res, ap_server_conf,

4415d997ac73262e513c0a571bd5be4f609040bawrowe "gprof: error creating directory %s", dir);

4415d997ac73262e513c0a571bd5be4f609040bawrowe }

4415d997ac73262e513c0a571bd5be4f609040bawrowe }

4415d997ac73262e513c0a571bd5be4f609040bawrowe else {

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe use_dir = ap_server_root_relative(pconf, DEFAULT_REL_RUNTIMEDIR);

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe }

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe

4415d997ac73262e513c0a571bd5be4f609040bawrowe chdir(use_dir);

4415d997ac73262e513c0a571bd5be4f609040bawrowe}

4415d997ac73262e513c0a571bd5be4f609040bawrowe#else

4415d997ac73262e513c0a571bd5be4f609040bawrowe#define chdir_for_gprof()

4415d997ac73262e513c0a571bd5be4f609040bawrowe#endif

4415d997ac73262e513c0a571bd5be4f609040bawrowe

4415d997ac73262e513c0a571bd5be4f609040bawrowe#define ap_check_signals()

4415d997ac73262e513c0a571bd5be4f609040bawrowe

4415d997ac73262e513c0a571bd5be4f609040bawrowestatic void clean_child_exit(int code) __attribute__ ((noreturn));

4415d997ac73262e513c0a571bd5be4f609040bawrowestatic void clean_child_exit(int code)

4415d997ac73262e513c0a571bd5be4f609040bawrowe{

4415d997ac73262e513c0a571bd5be4f609040bawrowe mpm_state = AP_MPMQ_STOPPING;

4415d997ac73262e513c0a571bd5be4f609040bawrowe

4415d997ac73262e513c0a571bd5be4f609040bawrowe if (pchild) {

4415d997ac73262e513c0a571bd5be4f609040bawrowe apr_pool_destroy(pchild);

4415d997ac73262e513c0a571bd5be4f609040bawrowe }

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe ap_mpm_pod_close(pod);

4415d997ac73262e513c0a571bd5be4f609040bawrowe chdir_for_gprof();

4415d997ac73262e513c0a571bd5be4f609040bawrowe exit(code);

4415d997ac73262e513c0a571bd5be4f609040bawrowe}

4415d997ac73262e513c0a571bd5be4f609040bawrowe

4415d997ac73262e513c0a571bd5be4f609040bawrowestatic void accept_mutex_on(void)

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe{

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe apr_status_t rv = apr_proc_mutex_lock(accept_mutex);

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe if (rv != APR_SUCCESS) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding const char *msg = "couldn't grab the accept mutex";

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (ap_my_generation !=

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_scoreboard_image->global->running_generation) {

00211b036b78699ace57a6d800a52e6c2d57652fnd ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, NULL, "%s", msg);

a812b025d139f465a31c76fc02ed162ed5271b03nd clean_child_exit(0);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

00211b036b78699ace57a6d800a52e6c2d57652fnd else {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_log_error(APLOG_MARK, APLOG_EMERG, rv, NULL, "%s", msg);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard exit(APEXIT_CHILDFATAL);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard}

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic void accept_mutex_off(void)

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard{

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard apr_status_t rv = apr_proc_mutex_unlock(accept_mutex);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (rv != APR_SUCCESS) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard const char *msg = "couldn't release the accept mutex";

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (ap_my_generation !=

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_scoreboard_image->global->running_generation) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, NULL, "%s", msg);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* don't exit here... we have a connection to

a812b025d139f465a31c76fc02ed162ed5271b03nd }

a812b025d139f465a31c76fc02ed162ed5271b03nd else {

a812b025d139f465a31c76fc02ed162ed5271b03nd ap_log_error(APLOG_MARK, APLOG_EMERG, rv, NULL, "%s", msg);

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq exit(APEXIT_CHILDFATAL);

a812b025d139f465a31c76fc02ed162ed5271b03nd }

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq }

a812b025d139f465a31c76fc02ed162ed5271b03nd}

a812b025d139f465a31c76fc02ed162ed5271b03nd

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq#ifdef SINGLE_LISTEN_UNSERIALIZED_ACCEPT

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq#define SAFE_ACCEPT(stmt) do {if (ap_listeners->next) {stmt;}} while(0)

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq#else

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard#define SAFE_ACCEPT(stmt) do {stmt;} while(0)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#endif

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

00211b036b78699ace57a6d800a52e6c2d57652fndAP_DECLARE(apr_status_t) ap_mpm_query(int query_code, int *result)

00211b036b78699ace57a6d800a52e6c2d57652fnd{

00211b036b78699ace57a6d800a52e6c2d57652fnd switch(query_code){

00211b036b78699ace57a6d800a52e6c2d57652fnd case AP_MPMQ_MAX_DAEMON_USED:

00211b036b78699ace57a6d800a52e6c2d57652fnd *result = ap_daemons_limit;

00211b036b78699ace57a6d800a52e6c2d57652fnd return APR_SUCCESS;

00211b036b78699ace57a6d800a52e6c2d57652fnd case AP_MPMQ_IS_THREADED:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = AP_MPMQ_NOT_SUPPORTED;

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere return APR_SUCCESS;

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere case AP_MPMQ_IS_FORKED:

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere *result = AP_MPMQ_DYNAMIC;

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere return APR_SUCCESS;

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere case AP_MPMQ_HARD_LIMIT_DAEMONS:

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere *result = server_limit;

50b2d068ddf98cf75622a0020cd143d379d1b235jfclere return APR_SUCCESS;

00211b036b78699ace57a6d800a52e6c2d57652fnd case AP_MPMQ_HARD_LIMIT_THREADS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = HARD_THREAD_LIMIT;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MAX_THREADS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MIN_SPARE_DAEMONS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = ap_daemons_min_free;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MIN_SPARE_THREADS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MAX_SPARE_DAEMONS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = ap_daemons_max_free;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MAX_SPARE_THREADS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MAX_REQUESTS_DAEMON:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = ap_max_requests_per_child;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MAX_DAEMONS:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = server_limit;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return APR_SUCCESS;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding case AP_MPMQ_MPM_STATE:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding *result = mpm_state;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq return APR_SUCCESS;

a812b025d139f465a31c76fc02ed162ed5271b03nd }

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq return APR_ENOTIMPL;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq}

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

16d38ac65d7e54cd44eeda7b23f84ee68b35094ewrowe

0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingstatic void just_die(int sig)

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard{

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard clean_child_exit(0);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard}

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic void stop_listening(int sig)

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard{

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_close_listeners();

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* For a graceful stop, we want the child to exit when done */

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard die_now = 1;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding}

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingstatic int volatile shutdown_pending;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic int volatile restart_pending;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic int volatile is_graceful;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic void sig_term(int sig)

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard{

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (shutdown_pending == 1) {

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq /* Um, is this _probably_ not an error, if the user has

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq return;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq }

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq shutdown_pending = 1;

a812b025d139f465a31c76fc02ed162ed5271b03nd is_graceful = (sig == AP_SIG_GRACEFUL_STOP);

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq}

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniqstatic void restart(int sig)

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq{

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (restart_pending == 1) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Probably not an error - don't bother reporting it */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding restart_pending = 1;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding is_graceful = (sig == AP_SIG_GRACEFUL);

134330b92fbc39045b7e56654f4c252fb7c53803nd}

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefieldingstatic void set_signals(void)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding{

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#ifndef NO_USE_SIGACTION

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding struct sigaction sa;

134330b92fbc39045b7e56654f4c252fb7c53803nd#endif

a812b025d139f465a31c76fc02ed162ed5271b03nd

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (!one_process) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_fatal_signal_setup(ap_server_conf, pconf);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard#ifndef NO_USE_SIGACTION

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding sigemptyset(&sa.sa_mask);

a812b025d139f465a31c76fc02ed162ed5271b03nd sa.sa_flags = 0;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding sa.sa_handler = sig_term;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (sigaction(SIGTERM, &sa, NULL) < 0)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGTERM)");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#ifdef AP_SIG_GRACEFUL_STOP

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (sigaction(AP_SIG_GRACEFUL_STOP, &sa, NULL) < 0)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "sigaction(" AP_SIG_GRACEFUL_STOP_STRING ")");

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard#endif

11c3b5180e1de6776035320b012a28bb146e7b46chuck#ifdef SIGINT

a812b025d139f465a31c76fc02ed162ed5271b03nd if (sigaction(SIGINT, &sa, NULL) < 0)

22d348febc3c258df246ac93e37945398dbf0348ianh ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGINT)");

22d348febc3c258df246ac93e37945398dbf0348ianh#endif

22d348febc3c258df246ac93e37945398dbf0348ianh#ifdef SIGXCPU

1ccd992d37d62c8cb2056126f2234f64ec189bfddougm sa.sa_handler = SIG_DFL;

a812b025d139f465a31c76fc02ed162ed5271b03nd if (sigaction(SIGXCPU, &sa, NULL) < 0)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGXCPU)");

1d7f1b96b49dafbd6cb414fb709cb85de2686a72chuck#endif

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#ifdef SIGXFSZ

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard sa.sa_handler = SIG_DFL;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (sigaction(SIGXFSZ, &sa, NULL) < 0)

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGXFSZ)");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#endif

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#ifdef SIGPIPE

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding sa.sa_handler = SIG_IGN;

9b3001f2097437c3c605d29e353fda5131b9952bminfrin if (sigaction(SIGPIPE, &sa, NULL) < 0)

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGPIPE)");

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe /* we want to ignore HUPs and AP_SIG_GRACEFUL while we're busy

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe sigaddset(&sa.sa_mask, SIGHUP);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe sigaddset(&sa.sa_mask, AP_SIG_GRACEFUL);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard sa.sa_handler = restart;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (sigaction(SIGHUP, &sa, NULL) < 0)

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(SIGHUP)");

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe if (sigaction(AP_SIG_GRACEFUL, &sa, NULL) < 0)

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "sigaction(" AP_SIG_GRACEFUL_STRING ")");

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#else

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe if (!one_process) {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#ifdef SIGXCPU

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(SIGXCPU, SIG_DFL);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif /* SIGXCPU */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#ifdef SIGXFSZ

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(SIGXFSZ, SIG_DFL);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif /* SIGXFSZ */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe }

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(SIGTERM, sig_term);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#ifdef SIGHUP

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(SIGHUP, restart);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif /* SIGHUP */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#ifdef AP_SIG_GRACEFUL

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(AP_SIG_GRACEFUL, restart);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif /* AP_SIG_GRACEFUL */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#ifdef AP_SIG_GRACEFUL_STOP

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(AP_SIG_GRACEFUL_STOP, sig_term);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif /* AP_SIG_GRACEFUL */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#ifdef SIGPIPE

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe apr_signal(SIGPIPE, SIG_IGN);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif /* SIGPIPE */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe#endif

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe}

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowestatic int requests_this_child;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowestatic int num_listensocks = 0;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwroweint ap_graceful_stop_signalled(void)

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe{

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe /* not ever called anymore... */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe return 0;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe}

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

33cb45dc8c5106018b7c2f6ae42478b109423e0eniqstatic void child_main(int child_num_arg)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding{

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_pool_t *ptrans;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_allocator_t *allocator;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_status_t status;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding int i;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_listen_rec *lr;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_pollset_t *pollset;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_sb_handle_t *sbh;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_bucket_alloc_t *bucket_alloc;

68ce856106f153813339db8670f6cd0ab8dea484minfrin int last_poll_idx = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

45dac0729754e413ff7c673481b219e9ab1a11f1bnicholes mpm_state = AP_MPMQ_STARTING; /* for benefit of any hooks that run as this

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq my_child_num = child_num_arg;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_my_pid = getpid();

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq requests_this_child = 0;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_fatal_signal_child_setup(ap_server_conf);

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq /* Get a sub context for global allocations in this child, so that

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_allocator_create(&allocator);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_allocator_max_free_set(allocator, ap_max_mem_free);

68ce856106f153813339db8670f6cd0ab8dea484minfrin apr_pool_create_ex(&pchild, pconf, NULL, allocator);

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin apr_allocator_owner_set(allocator, pchild);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard apr_pool_tag(pchild, "pchild");

68ce856106f153813339db8670f6cd0ab8dea484minfrin

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_pool_create(&ptrans, pchild);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_pool_tag(ptrans, "transaction");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* needs to be done before we switch UIDs so we have permissions */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_reopen_scoreboard(pchild, NULL, 0);

11c3b5180e1de6776035320b012a28bb146e7b46chuck status = apr_proc_mutex_child_init(&accept_mutex, ap_lock_fname, pchild);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (status != APR_SUCCESS) {

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_log_error(APLOG_MARK, APLOG_EMERG, status, ap_server_conf,

11c3b5180e1de6776035320b012a28bb146e7b46chuck "Couldn't initialize cross-process lock in child "

11c3b5180e1de6776035320b012a28bb146e7b46chuck "(%s) (%d)", ap_lock_fname, ap_accept_lock_mech);

11c3b5180e1de6776035320b012a28bb146e7b46chuck clean_child_exit(APEXIT_CHILDFATAL);

11c3b5180e1de6776035320b012a28bb146e7b46chuck }

11c3b5180e1de6776035320b012a28bb146e7b46chuck

11c3b5180e1de6776035320b012a28bb146e7b46chuck if (unixd_setup_child()) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding clean_child_exit(APEXIT_CHILDFATAL);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_run_child_init(pchild, ap_server_conf);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_create_sb_handle(&sbh, pchild, my_child_num, 0);

d7387fcd4969206172e3a2a8bbcd25a3d7011ac5rbb

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard (void) ap_update_child_status(sbh, SERVER_READY, (request_rec *) NULL);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Set up the pollfd array */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* ### check the status */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding (void) apr_pollset_create(&pollset, num_listensocks, pchild, 0);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding for (lr = ap_listeners, i = num_listensocks; i--; lr = lr->next) {

1ccd992d37d62c8cb2056126f2234f64ec189bfddougm apr_pollfd_t pfd = { 0 };

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding pfd.desc_type = APR_POLL_SOCKET;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding pfd.desc.s = lr->sd;

1ccd992d37d62c8cb2056126f2234f64ec189bfddougm pfd.reqevents = APR_POLLIN;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard pfd.client_data = lr;

b999f6ba2a266bf9a92687f31bb7e76021ac5891ianh

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* ### check the status */

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard (void) apr_pollset_add(pollset, &pfd);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

1ccd992d37d62c8cb2056126f2234f64ec189bfddougm

1cde33c7e2019830f8fb3224e01649305583916etrawick mpm_state = AP_MPMQ_RUNNING;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard bucket_alloc = apr_bucket_alloc_create(pchild);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* die_now is set when AP_SIG_GRACEFUL is received in the child;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding while (!die_now && !shutdown_pending) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding conn_rec *current_conn;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding void *csd;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /*

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

a2f9f38db0931e6edf7b71378dd680c3c5fa5841rbb apr_pool_clear(ptrans);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

5babe00918c88eda487771fa6d6d4a1a19c0ced0chuck if ((ap_max_requests_per_child > 0

5babe00918c88eda487771fa6d6d4a1a19c0ced0chuck && requests_this_child++ >= ap_max_requests_per_child)) {

1ccd992d37d62c8cb2056126f2234f64ec189bfddougm clean_child_exit(0);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding (void) ap_update_child_status(sbh, SERVER_READY, (request_rec *) NULL);

35c9e4d2c0a6465746a98958ef756114834461e6minfrin

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /*

11c3b5180e1de6776035320b012a28bb146e7b46chuck

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /* Lock around "accept", if necessary */

45dac0729754e413ff7c673481b219e9ab1a11f1bnicholes SAFE_ACCEPT(accept_mutex_on());

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

11c3b5180e1de6776035320b012a28bb146e7b46chuck if (num_listensocks == 1) {

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /* There is only one listener record, so refer to that one. */

35c9e4d2c0a6465746a98958ef756114834461e6minfrin lr = ap_listeners;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else {

e2b2e15108eb7cb566b1d70ce4e479276d951de5minfrin /* multiple listening sockets - need to poll */

e2b2e15108eb7cb566b1d70ce4e479276d951de5minfrin for (;;) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard apr_int32_t numdesc;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard const apr_pollfd_t *pdesc;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* timeout == -1 == wait forever */

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard status = apr_pollset_poll(pollset, -1, &numdesc, &pdesc);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (status != APR_SUCCESS) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (APR_STATUS_IS_EINTR(status)) {

e2b2e15108eb7cb566b1d70ce4e479276d951de5minfrin if (one_process && shutdown_pending) {

e2b2e15108eb7cb566b1d70ce4e479276d951de5minfrin return;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard continue;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* Single Unix documents select as returning errnos

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_log_error(APLOG_MARK, APLOG_ERR, status,

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_server_conf, "apr_pollset_poll: (listen)");

e2b2e15108eb7cb566b1d70ce4e479276d951de5minfrin SAFE_ACCEPT(accept_mutex_off());

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard clean_child_exit(1);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /* We can always use pdesc[0], but sockets at position N

409f0f53a83313c59f1b227ed0a340adc1081e88wrowe if (last_poll_idx >= numdesc)

409f0f53a83313c59f1b227ed0a340adc1081e88wrowe last_poll_idx = 0;

409f0f53a83313c59f1b227ed0a340adc1081e88wrowe

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* Grab a listener record from the client_data of the poll

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard lr = pdesc[last_poll_idx++].client_data;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding goto got_fd;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

1ccd992d37d62c8cb2056126f2234f64ec189bfddougm got_fd:

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* if we accept() something we don't want to die, so we have to

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding status = lr->accept_func(&csd, lr, ptrans);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding SAFE_ACCEPT(accept_mutex_off()); /* unlock after "accept" */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (status == APR_EGENERAL) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* resource shortage or should-not-occur occured */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding clean_child_exit(1);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else if (status != APR_SUCCESS) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard continue;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

1cde33c7e2019830f8fb3224e01649305583916etrawick

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /*

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe

d75bc22ab2702fa770f6935f07107efff16a76f0wrowe current_conn = ap_run_create_connection(ptrans, ap_server_conf, csd, my_child_num, sbh, bucket_alloc);

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe if (current_conn) {

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe ap_process_connection(current_conn, csd);

d75bc22ab2702fa770f6935f07107efff16a76f0wrowe ap_lingering_close(current_conn);

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe }

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin /* Check the pod and the generation number after processing a

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (ap_mpm_pod_check(pod) == APR_SUCCESS) { /* selected as idle? */

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard die_now = 1;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else if (ap_my_generation !=

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_scoreboard_image->global->running_generation) { /* restart? */

1cde33c7e2019830f8fb3224e01649305583916etrawick /* yeah, this could be non-graceful restart, in which case the

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard die_now = 1;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe clean_child_exit(0);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard}

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic int make_child(server_rec *s, int slot)

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin{

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin int pid;

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin if (slot + 1 > ap_max_daemons_limit) {

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin ap_max_daemons_limit = slot + 1;

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (one_process) {

1cde33c7e2019830f8fb3224e01649305583916etrawick apr_signal(SIGHUP, sig_term);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* Don't catch AP_SIG_GRACEFUL in ONE_PROCESS mode :) */

446c6a9a1e1073798258f1237f8c848b5f917b66wrowe apr_signal(SIGINT, sig_term);

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin#ifdef SIGQUIT

1cde33c7e2019830f8fb3224e01649305583916etrawick apr_signal(SIGQUIT, SIG_DFL);

6bdb2c094666367615890147775bb18761216c8dminfrin#endif

6bdb2c094666367615890147775bb18761216c8dminfrin apr_signal(SIGTERM, sig_term);

6bdb2c094666367615890147775bb18761216c8dminfrin child_main(slot);

6bdb2c094666367615890147775bb18761216c8dminfrin return 0;

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe }

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe

9865751743e928ea0a9ad83faa04a738001932deminfrin (void) ap_update_child_status_from_indexes(slot, 0, SERVER_STARTING,

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe (request_rec *) NULL);

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe#ifdef _OSD_POSIX

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe /* BS2000 requires a "special" version of fork() before a setuid() call */

c1c0628ca9788908a5fc7502d04a89c348b75ee6wrowe if ((pid = os_fork(unixd_config.user_name)) == -1) {

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe#elif defined(TPF)

002bcf949b064d7c042465d1095cafcfc6c9b701wrowe if ((pid = os_fork(s, slot)) == -1) {

d75bc22ab2702fa770f6935f07107efff16a76f0wrowe#else

2e41eca72bcc4167d1871b0941ee79845540d58eminfrin if ((pid = fork()) == -1) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#endif

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_ERR, errno, s, "fork: Unable to fork new process");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* fork didn't succeed. Fix the scoreboard or else

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding (void) ap_update_child_status_from_indexes(slot, 0, SERVER_DEAD,

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe (request_rec *) NULL);

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe /* In case system resources are maxxed out, we don't want

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq sleep(10);

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

a812b025d139f465a31c76fc02ed162ed5271b03nd return -1;

a812b025d139f465a31c76fc02ed162ed5271b03nd }

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe if (!pid) {

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe#ifdef HAVE_BINDPROCESSOR

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe /* by default AIX binds to a single processor

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding int status = bindprocessor(BINDPROCESS, (int)getpid(),

af952917c05e56874069e1e5f64e6473bb478b68minfrin PROCESSOR_CLASS_ANY);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (status != OK) {

af952917c05e56874069e1e5f64e6473bb478b68minfrin ap_log_error(APLOG_MARK, APLOG_WARNING, errno,

af952917c05e56874069e1e5f64e6473bb478b68minfrin ap_server_conf, "processor unbind failed %d", status);

af952917c05e56874069e1e5f64e6473bb478b68minfrin }

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin#endif

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin RAISE_SIGSTOP(MAKE_CHILD);

35c9e4d2c0a6465746a98958ef756114834461e6minfrin AP_MONCONTROL(1);

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /* Disable the parent's signal handlers and set up proper handling in

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim apr_signal(SIGHUP, just_die);

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim apr_signal(SIGTERM, just_die);

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim /* The child process just closes listeners on AP_SIG_GRACEFUL.

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim apr_signal(AP_SIG_GRACEFUL, stop_listening);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding child_main(slot);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

af952917c05e56874069e1e5f64e6473bb478b68minfrin ap_scoreboard_image->parent[slot].pid = pid;

af952917c05e56874069e1e5f64e6473bb478b68minfrin

9b4c60b689b8a3f2d48d19c55d857b276d405f85wrowe return 0;

af952917c05e56874069e1e5f64e6473bb478b68minfrin}

af952917c05e56874069e1e5f64e6473bb478b68minfrin

af952917c05e56874069e1e5f64e6473bb478b68minfrin

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowestatic void startup_children(int number_to_start)

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe{

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int i;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq for (i = 0; number_to_start && i < ap_daemons_limit; ++i) {

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq if (ap_scoreboard_image->servers[i][0].status != SERVER_DEAD) {

a812b025d139f465a31c76fc02ed162ed5271b03nd continue;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq }

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq if (make_child(ap_server_conf, i) < 0) {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe break;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe }

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe --number_to_start;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe}

af952917c05e56874069e1e5f64e6473bb478b68minfrin

af952917c05e56874069e1e5f64e6473bb478b68minfrin

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianhstatic int idle_spawn_rate = 1;

4224d5789080ea5586d49420da1e1996f5653bb5ianh#ifndef MAX_SPAWN_RATE

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim#define MAX_SPAWN_RATE (32)

af952917c05e56874069e1e5f64e6473bb478b68minfrin#endif

af952917c05e56874069e1e5f64e6473bb478b68minfrinstatic int hold_off_on_exponential_spawning;

af952917c05e56874069e1e5f64e6473bb478b68minfrin

af952917c05e56874069e1e5f64e6473bb478b68minfrinstatic void perform_idle_server_maintenance(apr_pool_t *p)

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe{

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int i;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int to_kill;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int idle_count;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe worker_score *ws;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int free_length;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int free_slots[MAX_SPAWN_RATE];

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int last_non_dead;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int total_non_dead;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe /* initialize the free_list */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe free_length = 0;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe to_kill = -1;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe idle_count = 0;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe last_non_dead = -1;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe total_non_dead = 0;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe for (i = 0; i < ap_daemons_limit; ++i) {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe int status;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe if (i >= ap_max_daemons_limit && free_length == idle_spawn_rate)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding break;

9379749d811388a7d0e3410940ddd6743a33d330jim ws = &ap_scoreboard_image->servers[i][0];

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding status = ws->status;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (status == SERVER_DEAD) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* try to keep children numbers as low as possible */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (free_length < idle_spawn_rate) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding free_slots[free_length] = i;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ++free_length;

3c59b18ce62f97468aaa5951d4e21a5478ef36ecminfrin }

9379749d811388a7d0e3410940ddd6743a33d330jim }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding else {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* We consider a starting server as idle because we started it

9379749d811388a7d0e3410940ddd6743a33d330jim if (status <= SERVER_READY) {

9379749d811388a7d0e3410940ddd6743a33d330jim ++ idle_count;

9379749d811388a7d0e3410940ddd6743a33d330jim /* always kill the highest numbered child if we have to...

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding to_kill = i;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

9379749d811388a7d0e3410940ddd6743a33d330jim

9379749d811388a7d0e3410940ddd6743a33d330jim ++total_non_dead;

9379749d811388a7d0e3410940ddd6743a33d330jim last_non_dead = i;

9379749d811388a7d0e3410940ddd6743a33d330jim }

9379749d811388a7d0e3410940ddd6743a33d330jim }

9379749d811388a7d0e3410940ddd6743a33d330jim ap_max_daemons_limit = last_non_dead + 1;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (idle_count > ap_daemons_max_free) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* kill off one child... we use the pod because that'll cause it to

9379749d811388a7d0e3410940ddd6743a33d330jim ap_mpm_pod_signal(pod);

9379749d811388a7d0e3410940ddd6743a33d330jim idle_spawn_rate = 1;

9379749d811388a7d0e3410940ddd6743a33d330jim }

9379749d811388a7d0e3410940ddd6743a33d330jim else if (idle_count < ap_daemons_min_free) {

9379749d811388a7d0e3410940ddd6743a33d330jim /* terminate the free list */

9379749d811388a7d0e3410940ddd6743a33d330jim if (free_length == 0) {

9379749d811388a7d0e3410940ddd6743a33d330jim /* only report this condition once */

9379749d811388a7d0e3410940ddd6743a33d330jim static int reported = 0;

11c3b5180e1de6776035320b012a28bb146e7b46chuck

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (!reported) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_ERR, 0, ap_server_conf,

24efed0910118b762a4eb84830875d4714b8d315ianh "server reached MaxClients setting, consider"

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding " raising the MaxClients setting");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding reported = 1;

066877f1a045103acfdd376d48cdd473c33f409bdougm }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding idle_spawn_rate = 1;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding else {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (idle_spawn_rate >= 8) {

9379749d811388a7d0e3410940ddd6743a33d330jim ap_log_error(APLOG_MARK, APLOG_INFO, 0, ap_server_conf,

9379749d811388a7d0e3410940ddd6743a33d330jim "server seems busy, (you may need "

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "to increase StartServers, or Min/MaxSpareServers), "

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "spawning %d children, there are %d idle, and "

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "%d total children", idle_spawn_rate,

9379749d811388a7d0e3410940ddd6743a33d330jim idle_count, total_non_dead);

9379749d811388a7d0e3410940ddd6743a33d330jim }

9379749d811388a7d0e3410940ddd6743a33d330jim for (i = 0; i < free_length; ++i) {

9379749d811388a7d0e3410940ddd6743a33d330jim#ifdef TPF

9379749d811388a7d0e3410940ddd6743a33d330jim if (make_child(ap_server_conf, free_slots[i]) == -1) {

9379749d811388a7d0e3410940ddd6743a33d330jim if(free_length == 1) {

9379749d811388a7d0e3410940ddd6743a33d330jim shutdown_pending = 1;

9379749d811388a7d0e3410940ddd6743a33d330jim ap_log_error(APLOG_MARK, APLOG_EMERG, 0, ap_server_conf,

9379749d811388a7d0e3410940ddd6743a33d330jim "No active child processes: shutting down");

9379749d811388a7d0e3410940ddd6743a33d330jim }

9379749d811388a7d0e3410940ddd6743a33d330jim }

9379749d811388a7d0e3410940ddd6743a33d330jim#else

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding make_child(ap_server_conf, free_slots[i]);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe#endif /* TPF */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* the next time around we want to spawn twice as many if this

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (hold_off_on_exponential_spawning) {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe --hold_off_on_exponential_spawning;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe else if (idle_spawn_rate < MAX_SPAWN_RATE) {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe idle_spawn_rate *= 2;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe else {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe idle_spawn_rate = 1;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe}

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wroweint ap_mpm_run(apr_pool_t *_pconf, apr_pool_t *plog, server_rec *s)

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe{

433dc2d5dae74ed067db6175010ff973d02511e9jerenkrantz int index;

433dc2d5dae74ed067db6175010ff973d02511e9jerenkrantz int remaining_children_to_start;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe apr_status_t rv;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_log_pid(pconf, ap_pid_fname);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe /* Initialize cross-process accept lock */

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_lock_fname = apr_psprintf(_pconf, "%s.%" APR_PID_T_FMT,

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_server_root_relative(_pconf, ap_lock_fname),

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_my_pid);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe rv = apr_proc_mutex_create(&accept_mutex, ap_lock_fname,

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_accept_lock_mech, _pconf);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe if (rv != APR_SUCCESS) {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_log_error(APLOG_MARK, APLOG_EMERG, rv, s,

75b0a6a06ca1f4de80e3dd2a09c9f0c7d0a56089wrowe "Couldn't create accept lock (%s) (%d)",

75b0a6a06ca1f4de80e3dd2a09c9f0c7d0a56089wrowe ap_lock_fname, ap_accept_lock_mech);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe mpm_state = AP_MPMQ_STOPPING;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe return 1;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe#if APR_USE_SYSVSEM_SERIALIZE

5a5a6c22260854843c973e2ea9a14bec64362ab5wrowe if (ap_accept_lock_mech == APR_LOCK_DEFAULT ||

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_accept_lock_mech == APR_LOCK_SYSVSEM) {

4415d997ac73262e513c0a571bd5be4f609040bawrowe#else

4415d997ac73262e513c0a571bd5be4f609040bawrowe if (ap_accept_lock_mech == APR_LOCK_SYSVSEM) {

4415d997ac73262e513c0a571bd5be4f609040bawrowe#endif

4415d997ac73262e513c0a571bd5be4f609040bawrowe rv = unixd_set_proc_mutex_perms(accept_mutex);

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe if (rv != APR_SUCCESS) {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_log_error(APLOG_MARK, APLOG_EMERG, rv, s,

4415d997ac73262e513c0a571bd5be4f609040bawrowe "Couldn't set permissions on cross-process lock; "

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe "check User and Group directives");

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe mpm_state = AP_MPMQ_STOPPING;

4415d997ac73262e513c0a571bd5be4f609040bawrowe return 1;

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe }

4415d997ac73262e513c0a571bd5be4f609040bawrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe if (!is_graceful) {

446c6a9a1e1073798258f1237f8c848b5f917b66wrowe if (ap_run_pre_mpm(s->process->pool, SB_SHARED) != OK) {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe mpm_state = AP_MPMQ_STOPPING;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe return 1;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe /* fix the generation number in the global score; we just got a new,

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe ap_scoreboard_image->global->running_generation = ap_my_generation;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe set_signals();

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe if (one_process) {

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe AP_MONCONTROL(1);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe make_child(ap_server_conf, 0);

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding else {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (ap_daemons_max_free < ap_daemons_min_free + 1) /* Don't thrash... */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_daemons_max_free = ap_daemons_min_free + 1;

a2f9f38db0931e6edf7b71378dd680c3c5fa5841rbb

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* If we're doing a graceful_restart then we're going to see a lot

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard remaining_children_to_start = ap_daemons_to_start;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (remaining_children_to_start > ap_daemons_limit) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard remaining_children_to_start = ap_daemons_limit;

529005244758297d4415aa912c67a67f805349bcianh }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (!is_graceful) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard startup_children(remaining_children_to_start);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard remaining_children_to_start = 0;

529005244758297d4415aa912c67a67f805349bcianh }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* give the system some time to recover before kicking into

529005244758297d4415aa912c67a67f805349bcianh hold_off_on_exponential_spawning = 10;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq "%s configured -- resuming normal operations",

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_get_server_description());

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_log_error(APLOG_MARK, APLOG_INFO, 0, ap_server_conf,

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq "Server built: %s", ap_get_server_built());

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq#ifdef AP_MPM_WANT_SET_ACCEPT_LOCK_MECH

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq "AcceptMutex: %s (default: %s)",

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq apr_proc_mutex_name(accept_mutex),

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq apr_proc_mutex_defname());

a812b025d139f465a31c76fc02ed162ed5271b03nd#endif

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq restart_pending = shutdown_pending = 0;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

a812b025d139f465a31c76fc02ed162ed5271b03nd mpm_state = AP_MPMQ_RUNNING;

a812b025d139f465a31c76fc02ed162ed5271b03nd

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq while (!restart_pending && !shutdown_pending) {

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq int child_slot;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq apr_exit_why_e exitwhy;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq int status, processed_status;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq /* this is a memory leak, but I'll fix it later. */

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq apr_proc_t pid;

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq ap_wait_or_timeout(&exitwhy, &status, &pid, pconf);

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq /* XXX: if it takes longer than 1 second for all our children

a812b025d139f465a31c76fc02ed162ed5271b03nd if (pid.pid != -1) {

a812b025d139f465a31c76fc02ed162ed5271b03nd processed_status = ap_process_child_status(&pid, exitwhy, status);

33cb45dc8c5106018b7c2f6ae42478b109423e0eniq if (processed_status == APEXIT_CHILDFATAL) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding mpm_state = AP_MPMQ_STOPPING;

11c3b5180e1de6776035320b012a28bb146e7b46chuck return 1;

11c3b5180e1de6776035320b012a28bb146e7b46chuck }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* non-fatal death... note that it's gone in the scoreboard. */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding child_slot = find_child_by_pid(&pid);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (child_slot >= 0) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding (void) ap_update_child_status_from_indexes(child_slot, 0, SERVER_DEAD,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding (request_rec *) NULL);

a6314dfa8dd8a0d69db16288581e4950a2dd3955minfrin if (processed_status == APEXIT_CHILDSICK) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* child detected a resource shortage (E[NM]FILE, ENOBUFS, etc)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding idle_spawn_rate = 1;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else if (remaining_children_to_start

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard && child_slot < ap_daemons_limit) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* we're still doing a 1-for-1 replacement of dead

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding make_child(ap_server_conf, child_slot);

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard --remaining_children_to_start;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard#if APR_HAS_OTHER_CHILD

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else if (apr_proc_other_child_alert(&pid, APR_OC_REASON_DEATH, status) == APR_SUCCESS) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard /* handled */

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard#endif

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding else if (is_graceful) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Great, we've probably just lost a slot in the

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_WARNING,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding 0, ap_server_conf,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "long lost child came home! (pid %ld)", (long)pid.pid);

a2f9f38db0931e6edf7b71378dd680c3c5fa5841rbb }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Don't perform idle maintenance when a child dies,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding continue;

10a4cdd68ef1ca0e54af296fe1d08ac00150c90bwrowe }

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard else if (remaining_children_to_start) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* we hit a 1 second timeout in which none of the previous

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding startup_children(remaining_children_to_start);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding remaining_children_to_start = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* In any event we really shouldn't do the code below because

11c3b5180e1de6776035320b012a28bb146e7b46chuck continue;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding perform_idle_server_maintenance(pconf);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#ifdef TPF

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding shutdown_pending = os_check_server(tpf_server_name);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_check_signals();

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding sleep(1);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding#endif /*TPF */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding } /* one_process */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard mpm_state = AP_MPMQ_STOPPING;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (shutdown_pending && !is_graceful) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Time to shut down:

11c3b5180e1de6776035320b012a28bb146e7b46chuck if (unixd_killpg(getpgrp(), SIGTERM) < 0) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "killpg SIGTERM");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

11c3b5180e1de6776035320b012a28bb146e7b46chuck ap_reclaim_child_processes(1); /* Start with SIGTERM */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

1cde33c7e2019830f8fb3224e01649305583916etrawick /* cleanup pid file on normal shutdown */

407cde44becba3694e7c3d81ac99b5d86f4b03a9rbb {

1cde33c7e2019830f8fb3224e01649305583916etrawick const char *pidfile = NULL;

407cde44becba3694e7c3d81ac99b5d86f4b03a9rbb pidfile = ap_server_root_relative (pconf, ap_pid_fname);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if ( pidfile != NULL && unlink(pidfile) == 0)

11c3b5180e1de6776035320b012a28bb146e7b46chuck ap_log_error(APLOG_MARK, APLOG_INFO,

11c3b5180e1de6776035320b012a28bb146e7b46chuck 0, ap_server_conf,

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard "removed PID file %s (pid=%ld)",

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding pidfile, (long)getpid());

1cde33c7e2019830f8fb3224e01649305583916etrawick }

407cde44becba3694e7c3d81ac99b5d86f4b03a9rbb

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard "caught SIGTERM, shutting down");

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard return 1;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding } else if (shutdown_pending) {

1cde33c7e2019830f8fb3224e01649305583916etrawick /* Time to perform a graceful shut down:

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard int active_children;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_time_t cutoff = 0;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Stop listening */

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard ap_close_listeners();

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* kill off the idle ones */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_mpm_pod_killpg(pod, ap_max_daemons_limit);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Send SIGUSR1 to the active children */

11c3b5180e1de6776035320b012a28bb146e7b46chuck active_children = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding for (index = 0; index < ap_daemons_limit; ++index) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (ap_scoreboard_image->servers[index][0].status != SERVER_DEAD) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Ask each child to close its listeners. */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_mpm_safe_kill(MPM_CHILD_PID(index), AP_SIG_GRACEFUL);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding active_children++;

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* Allow each child which actually finished to exit */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_relieve_child_processes();

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* cleanup pid file */

11c3b5180e1de6776035320b012a28bb146e7b46chuck {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding const char *pidfile = NULL;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding pidfile = ap_server_root_relative (pconf, ap_pid_fname);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if ( pidfile != NULL && unlink(pidfile) == 0)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_INFO,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding 0, ap_server_conf,

af952917c05e56874069e1e5f64e6473bb478b68minfrin "removed PID file %s (pid=%ld)",

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding pidfile, (long)getpid());

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh

4a7df15077ff65dbf3b2cf68fa3063273ac0a547minfrin ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh "caught " AP_SIG_GRACEFUL_STOP_STRING ", shutting down gracefully");

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh if (ap_graceful_shutdown_timeout) {

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh cutoff = apr_time_now() +

4a7df15077ff65dbf3b2cf68fa3063273ac0a547minfrin apr_time_from_sec(ap_graceful_shutdown_timeout);

dcc56911d2b95e73554ff8ced9f72fd456d73881minfrin }

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh

ff1234e45aca1b8171d711ecb87f58b9d9100a99ianh /* Don't really exit until each child has finished */

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh shutdown_pending = 0;

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh do {

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh /* Pause for a second */

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh sleep(1);

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh /* Relieve any children which have now exited */

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh ap_relieve_child_processes();

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh active_children = 0;

fd3fa792f04fc9c4e8f5f83dceb0fc34e71f8570ianh for (index = 0; index < ap_daemons_limit; ++index) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (ap_mpm_safe_kill(MPM_CHILD_PID(index), 0) == APR_SUCCESS) {

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding active_children = 1;

11c3b5180e1de6776035320b012a28bb146e7b46chuck /* Having just one child is enough to stay around */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding break;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding } while (!shutdown_pending && active_children &&

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding (!ap_graceful_shutdown_timeout || apr_time_now() < cutoff));

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding /* We might be here because we received SIGTERM, either

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding unixd_killpg(getpgrp(), SIGTERM);

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return 1;

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin }

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin /* we've been told to restart */

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin apr_signal(SIGHUP, SIG_IGN);

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin apr_signal(AP_SIG_GRACEFUL, SIG_IGN);

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin if (one_process) {

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin /* not worth thinking about */

10306ac2c175f420e6989568f4c8535a5dbc1349minfrin return 1;

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin }

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin /* advance to the next generation */

afef080e47ef499a5cbceb7ad7fadbb3abca0b48minfrin /* XXX: we really need to make sure this new generation number isn't in

35c9e4d2c0a6465746a98958ef756114834461e6minfrin ++ap_my_generation;

35c9e4d2c0a6465746a98958ef756114834461e6minfrin ap_scoreboard_image->global->running_generation = ap_my_generation;

35c9e4d2c0a6465746a98958ef756114834461e6minfrin

35c9e4d2c0a6465746a98958ef756114834461e6minfrin if (is_graceful) {

35c9e4d2c0a6465746a98958ef756114834461e6minfrin ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard "Graceful restart requested, doing restart");

35c9e4d2c0a6465746a98958ef756114834461e6minfrin

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /* kill off the idle ones */

35c9e4d2c0a6465746a98958ef756114834461e6minfrin ap_mpm_pod_killpg(pod, ap_max_daemons_limit);

35c9e4d2c0a6465746a98958ef756114834461e6minfrin

35c9e4d2c0a6465746a98958ef756114834461e6minfrin /* This is mostly for debugging... so that we know what is still

4224d5789080ea5586d49420da1e1996f5653bb5ianh for (index = 0; index < ap_daemons_limit; ++index) {

4224d5789080ea5586d49420da1e1996f5653bb5ianh if (ap_scoreboard_image->servers[index][0].status != SERVER_DEAD) {

4224d5789080ea5586d49420da1e1996f5653bb5ianh ap_scoreboard_image->servers[index][0].status = SERVER_GRACEFUL;

4224d5789080ea5586d49420da1e1996f5653bb5ianh /* Ask each child to close its listeners.

4224d5789080ea5586d49420da1e1996f5653bb5ianh ap_mpm_safe_kill(ap_scoreboard_image->parent[index].pid, AP_SIG_GRACEFUL);

4224d5789080ea5586d49420da1e1996f5653bb5ianh }

4224d5789080ea5586d49420da1e1996f5653bb5ianh }

35c9e4d2c0a6465746a98958ef756114834461e6minfrin }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding else {

a2f9f38db0931e6edf7b71378dd680c3c5fa5841rbb /* Kill 'em off */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding if (unixd_killpg(getpgrp(), SIGHUP) < 0) {

11c3b5180e1de6776035320b012a28bb146e7b46chuck ap_log_error(APLOG_MARK, APLOG_WARNING, errno, ap_server_conf, "killpg SIGHUP");

11c3b5180e1de6776035320b012a28bb146e7b46chuck }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_reclaim_child_processes(0); /* Not when just starting up */

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, ap_server_conf,

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding "SIGHUP received. Attempting to restart");

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding }

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding return 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding}

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddardstatic int prefork_open_logs(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding{

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding static int restart_num = 0;

af952917c05e56874069e1e5f64e6473bb478b68minfrin int startup = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding int level_flags = 0;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding apr_status_t rv;

0f081398cf0eef8cc7c66a535d450110a92dc8aefielding

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim pconf = p;

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim ap_server_conf = s;

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim /* the reverse of pre_config, we want this only the first time around */

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim if (restart_num++ == 0) {

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim startup = 1;

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim level_flags |= APLOG_STARTUP;

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim }

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim if ((num_listensocks = ap_setup_listeners(ap_server_conf)) < 1) {

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim ap_log_error(APLOG_MARK, APLOG_ALERT | level_flags, 0,

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim (startup ? NULL : s),

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim "no listening sockets available, shutting down");

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim return DONE;

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim }

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim if ((rv = ap_mpm_pod_open(pconf, &pod))) {

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim ap_log_error(APLOG_MARK, APLOG_CRIT | level_flags, rv,

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim (startup ? NULL : s),

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim "could not open pipe-of-death");

db8ac7cbb1fa6cdd6abcc4bb797d4deed32dd269jim return DONE;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe }

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe return OK;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe}

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowestatic int prefork_pre_config(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp)

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe{

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe static int restart_num = 0;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe int no_detach, debug, foreground;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe apr_status_t rv;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe mpm_state = AP_MPMQ_STARTING;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe debug = ap_exists_config_define("DEBUG");

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe if (debug) {

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe foreground = one_process = 1;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe no_detach = 0;

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe }

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe else

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe {

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe no_detach = ap_exists_config_define("NO_DETACH");

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe one_process = ap_exists_config_define("ONE_PROCESS");

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe foreground = ap_exists_config_define("FOREGROUND");

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe /* sigh, want this only the second time around */

5a5a6c22260854843c973e2ea9a14bec64362ab5wrowe if (restart_num++ == 1) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe is_graceful = 0;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (!one_process && !foreground) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe rv = apr_proc_detach(no_detach ? APR_PROC_DETACH_FOREGROUND

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe : APR_PROC_DETACH_DAEMONIZE);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (rv != APR_SUCCESS) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "apr_proc_detach failed");

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe return HTTP_INTERNAL_SERVER_ERROR;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe parent_pid = ap_my_pid = getpid();

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe unixd_pre_config(ptemp);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_listen_pre_config();

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_daemons_to_start = DEFAULT_START_DAEMON;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_daemons_min_free = DEFAULT_MIN_FREE_DAEMON;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_daemons_max_free = DEFAULT_MAX_FREE_DAEMON;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe server_limit = DEFAULT_SERVER_LIMIT;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_daemons_limit = server_limit;

5d5c9e862c3d4e7f15c12d293de4111f52404760wrowe ap_pid_fname = DEFAULT_PIDLOG;

433dc2d5dae74ed067db6175010ff973d02511e9jerenkrantz ap_lock_fname = DEFAULT_LOCKFILE;

433dc2d5dae74ed067db6175010ff973d02511e9jerenkrantz ap_max_requests_per_child = DEFAULT_MAX_REQUESTS_PER_CHILD;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_extended_status = 0;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe#ifdef AP_MPM_WANT_SET_MAX_MEM_FREE

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_max_mem_free = APR_ALLOCATOR_MAX_FREE_UNLIMITED;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe#endif

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe apr_cpystrn(ap_coredump_dir, ap_server_root, sizeof(ap_coredump_dir));

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe return OK;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe}

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowestatic int prefork_check_config(apr_pool_t *p, apr_pool_t *plog,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe apr_pool_t *ptemp, server_rec *s)

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe{

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe static int restart_num = 0;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe int startup = 0;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe /* the reverse of pre_config, we want this only the first time around */

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (restart_num++ == 0) {

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe startup = 1;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

1dac466bcc84f8ebf410016dcf2a4cd4312e8611wrowe

4c67ef499845a08771e81254ce6eb2324a160bc7wrowe if (server_limit > MAX_SERVER_LIMIT) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (startup) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "WARNING: ServerLimit of %d exceeds compile-time "

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe "limit of", server_limit);

eee895b02dd7867622afd0a8a94f2efc7de9c618wrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

38fd849bd99e2765ee633b6dc576b5f17acdc455wrowe " %d servers, decreasing to %d.",

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe MAX_SERVER_LIMIT, MAX_SERVER_LIMIT);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe } else {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,

c0a549c3f6e8edc87e921cf76fac95d04feba72bwrowe "ServerLimit of %d exceeds compile-time limit "

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "of %d, decreasing to match",

4415d997ac73262e513c0a571bd5be4f609040bawrowe server_limit, MAX_SERVER_LIMIT);

4415d997ac73262e513c0a571bd5be4f609040bawrowe }

4415d997ac73262e513c0a571bd5be4f609040bawrowe server_limit = MAX_SERVER_LIMIT;

4415d997ac73262e513c0a571bd5be4f609040bawrowe }

de274dca1be855ebb66bb7857951aae26fcb54c7wrowe else if (server_limit < 1) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (startup) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

4cc02d7521758b07c7cd240e8ea32fb7a20909cfwrowe "WARNING: ServerLimit of %d not allowed, "

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "increasing to 1.", server_limit);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe } else {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "ServerLimit of %d not allowed, increasing to 1",

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe server_limit);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe server_limit = 1;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe /* you cannot change ServerLimit across a restart; ignore

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (!first_server_limit) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe first_server_limit = server_limit;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe else if (server_limit != first_server_limit) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe /* don't need a startup console version here */

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "changing ServerLimit to %d from original value of %d "

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "not allowed during restart",

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe server_limit, first_server_limit);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe server_limit = first_server_limit;

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe }

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (ap_daemons_limit > server_limit) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe if (startup) {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "WARNING: MaxClients of %d exceeds ServerLimit "

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "value of", ap_daemons_limit);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe " %d servers, decreasing MaxClients to %d.",

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe server_limit, server_limit);

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe " To increase, please see the ServerLimit "

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe "directive.");

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe } else {

d52b01101efdd3a37493d1090f20eb23c4dd1521wrowe ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe "MaxClients of %d exceeds ServerLimit value "

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe "of %d, decreasing to match",

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_daemons_limit, server_limit);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe }

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_daemons_limit = server_limit;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe }

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe else if (ap_daemons_limit < 1) {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe if (startup) {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe "WARNING: MaxClients of %d not allowed, "

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe "increasing to 1.", ap_daemons_limit);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe } else {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe "MaxClients of %d not allowed, increasing to 1",

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_daemons_limit);

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe }

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_daemons_limit = 1;

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe }

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe /* ap_daemons_to_start > ap_daemons_limit checked in ap_mpm_run() */

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe if (ap_daemons_to_start < 0) {

e6366481b8fe06a24337f0b30b7da66cf64d6062stoddard if (startup) {

2ceedfca3a2fdfdb5ff60ca17f030ce91f6331cbwrowe ap_log_error(APLOG_MARK, APLOG_WARNING | APLOG_STARTUP, 0, NULL,