9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#define CORE_PRIVATE

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "ap_config.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "apr_portable.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "apr_config.h" /* XXX: for ap_signal?? */

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "httpd.h"

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#include "mpm_default.h"

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#include "mpm_status.h"

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#include "http_main.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "http_log.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "http_config.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "http_core.h" /* for get_remote_host */

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "http_connection.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "scoreboard.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "ap_mpm.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include "unixd.h"

663c339c8a4663cf1977f890481f8b7e251d3221jerenkrantz#include "iol_socket.h"

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#include "ap_listen.h"

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#include "ap_mmn.h"

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include <sys/times.h>

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include <sys/types.h>

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include <sys/wait.h>

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#ifdef HAVE_BSTRING_H

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#include <bstring.h> /* for IRIX, FD_SET calls bzero() */

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#endif

2d728410bcf9e6e53698bb035f516e18efd76d8bnd#include <signal.h>

2d728410bcf9e6e53698bb035f516e18efd76d8bnd

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic int ap_max_requests_per_child=0;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic char *ap_pid_fname=NULL;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic char *ap_scoreboard_fname=NULL;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic char *ap_lock_fname;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic int ap_daemons_to_start=0;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic int ap_daemons_min_free=0;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic int ap_daemons_max_free=0;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic int ap_daemons_limit=0;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic time_t ap_restart_time=0;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic int ap_extended_status = 0;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic int maintain_connection_status = 1;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic int max_daemons_limit = -1;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic char ap_coredump_dir[MAX_STRING_LEN];

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic server_rec *server_conf;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic ap_socket_t *sd;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic fd_set listenfds;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic int listenmaxfd;

a51acf58d9d82f52e0ee56106cd9282030f3f3bend

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic int one_process = 0;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#ifdef HAS_OTHER_CHILD

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantztypedef struct other_child_rec other_child_rec;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstruct other_child_rec {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz other_child_rec *next;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int pid;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz void (*maintenance) (int, void *, ap_wait_t);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz void *data;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int write_fd;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz};

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic other_child_rec *other_children;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic ap_context_t *pconf; /* Pool for config stuff */

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic ap_context_t *pchild; /* Pool for httpd child stuff */

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic int my_pid; /* it seems silly to call getpid all the time */

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#ifndef MULTITHREAD

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic int my_child_num;

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#ifdef TPF

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndint tpf_child = 0;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzchar tpf_server_name[INETD_SERVNAME_LENGTH+1];

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif /* TPF */

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic scoreboard *ap_scoreboard_image = NULL;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic new_scoreboard *ap_new_scoreboard_image = NULL;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin#ifdef GPROF

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic void chdir_for_gprof(void)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin core_server_config *sconf =

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin ap_get_module_config(server_conf->module_config, &core_module);

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin char *dir = sconf->gprof_dir;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin if(dir) {

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin char buf[512];

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int len = strlen(sconf->gprof_dir) - 1;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if(*(dir + len) == '%') {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz dir[len] = '\0';

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin ap_snprintf(buf, sizeof(buf), "%sgprof.%d", dir, (int)getpid());

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz dir = ap_server_root_relative(pconf, buf[0] ? buf : dir);

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin if(mkdir(dir, 0755) < 0 && errno != EEXIST) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_log_error(APLOG_MARK, APLOG_ERR, errno, server_conf,

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz "gprof: error creating directory %s", dir);

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz else {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz dir = ap_server_root_relative(pconf, "logs");

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz chdir(dir);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#else

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#define chdir_for_gprof()

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#define ap_check_signals()

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void clean_child_exit(int code) __attribute__ ((noreturn));

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void clean_child_exit(int code)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if (pchild) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_destroy_pool(pchild);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin chdir_for_gprof();

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(code);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#if defined(USE_FCNTL_SERIALIZED_ACCEPT) || defined(USE_FLOCK_SERIALIZED_ACCEPT)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void expand_lock_fname(ap_context_t *p)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin /* XXXX possibly bogus cast */

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_lock_fname = ap_psprintf(p, "%s.%lu",

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_server_root_relative(p, ap_lock_fname), (unsigned long)getpid());

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#endif

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#if defined (USE_USLOCK_SERIALIZED_ACCEPT)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#include <ulocks.h>

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

fac37c9794a18c24d187f4e0f97a9476c4344118minfrinstatic ulock_t uslock = NULL;

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin#define accept_mutex_child_init(x)

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin

fac37c9794a18c24d187f4e0f97a9476c4344118minfrinstatic void accept_mutex_init(ap_context_t *p)

289a94d4157967ac04dc5c865b94e361400eae0afuankg{

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin ptrdiff_t old;

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin usptr_t *us;

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz /* default is 8, allocate enough for all the children plus the parent */

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((old = usconfig(CONF_INITUSERS, HARD_SERVER_LIMIT + 1)) == -1) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz perror("usconfig(CONF_INITUSERS)");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(-1);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((old = usconfig(CONF_LOCKTYPE, US_NODEBUG)) == -1) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd perror("usconfig(CONF_LOCKTYPE)");

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz exit(-1);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((old = usconfig(CONF_ARENATYPE, US_SHAREDONLY)) == -1) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror("usconfig(CONF_ARENATYPE)");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(-1);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((us = usinit("/dev/zero")) == NULL) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror("usinit");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(-1);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((uslock = usnewlock(us)) == NULL) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror("usnewlock");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(-1);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void accept_mutex_on(void)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin switch (ussetlock(uslock)) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin case 1:

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin /* got lock */

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin break;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin case 0:

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin "didn't get lock");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin clean_child_exit(APEXIT_CHILDFATAL);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin case -1:

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror("ussetlock");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin clean_child_exit(APEXIT_CHILDFATAL);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void accept_mutex_off(void)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (usunsetlock(uslock) == -1) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz perror("usunsetlock");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin clean_child_exit(APEXIT_CHILDFATAL);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#elif defined (USE_PTHREAD_SERIALIZED_ACCEPT)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#include <pthread.h>

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic pthread_mutex_t *accept_mutex = (void *)(caddr_t) -1;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic int have_accept_mutex;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic sigset_t accept_block_mask;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic sigset_t accept_previous_mask;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void accept_mutex_child_cleanup(void *foo)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (accept_mutex != (void *)(caddr_t)-1

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd && have_accept_mutex) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin pthread_mutex_unlock(accept_mutex);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void accept_mutex_child_init(ap_context_t *p)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_register_cleanup(p, NULL, accept_mutex_child_cleanup, ap_null_cleanup);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void accept_mutex_cleanup(void *foo)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (accept_mutex != (void *)(caddr_t)-1

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd && munmap((caddr_t) accept_mutex, sizeof(*accept_mutex))) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd perror("munmap");

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd accept_mutex = (void *)(caddr_t)-1;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_init(ap_context_t *p)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin pthread_mutexattr_t mattr;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin int fd;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz fd = open("/dev/zero", O_RDWR);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (fd == -1) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz perror("open(/dev/zero)");

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz exit(APEXIT_INIT);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin accept_mutex = (pthread_mutex_t *) mmap((caddr_t) 0, sizeof(*accept_mutex),

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (accept_mutex == (void *) (caddr_t) - 1) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd perror("mmap");

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz exit(APEXIT_INIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd close(fd);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if ((errno = pthread_mutexattr_init(&mattr))) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd perror("pthread_mutexattr_init");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(APEXIT_INIT);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((errno = pthread_mutexattr_setpshared(&mattr,

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin PTHREAD_PROCESS_SHARED))) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror("pthread_mutexattr_setpshared");

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin exit(APEXIT_INIT);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if ((errno = pthread_mutex_init(accept_mutex, &mattr))) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror("pthread_mutex_init");

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz exit(APEXIT_INIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin sigfillset(&accept_block_mask);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin sigdelset(&accept_block_mask, SIGHUP);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin sigdelset(&accept_block_mask, SIGTERM);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin sigdelset(&accept_block_mask, SIGUSR1);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_register_cleanup(p, NULL, accept_mutex_cleanup, ap_null_cleanup);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void accept_mutex_on(void)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int err;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (sigprocmask(SIG_BLOCK, &accept_block_mask, &accept_previous_mask)) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd perror("sigprocmask(SIG_BLOCK)");

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd clean_child_exit(APEXIT_CHILDFATAL);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if ((err = pthread_mutex_lock(accept_mutex))) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd errno = err;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd perror("pthread_mutex_lock");

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd clean_child_exit(APEXIT_CHILDFATAL);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin have_accept_mutex = 1;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic void accept_mutex_off(void)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin int err;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if ((err = pthread_mutex_unlock(accept_mutex))) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin errno = err;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("pthread_mutex_unlock");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin clean_child_exit(APEXIT_CHILDFATAL);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* There is a slight race condition right here... if we were to die right

717473b4288c54ef043f016a4ee801aba477303erjung have_accept_mutex = 0;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (sigprocmask(SIG_SETMASK, &accept_previous_mask, NULL)) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("sigprocmask(SIG_SETMASK)");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin clean_child_exit(1);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#elif defined (USE_SYSVSEM_SERIALIZED_ACCEPT)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#include <sys/types.h>

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#include <sys/ipc.h>

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#include <sys/sem.h>

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#ifdef NEED_UNION_SEMUN

5876f43a746f688a32b7201bced8591ddf19bd43minfrinunion semun {

c840604b10dc1d368a2da321ec51362373d502a3minfrin long val;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin struct semid_ds *buf;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ushort *array;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin};

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#endif

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic int sem_id = -1;

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic struct sembuf op_on;

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic struct sembuf op_off;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_cleanup(void *foo)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin union semun ick;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (sem_id < 0)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin return;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* this is ignored anyhow */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ick.val = 0;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin semctl(sem_id, 0, IPC_RMID, ick);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#define accept_mutex_child_init(x)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_init(ap_context_t *p)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin union semun ick;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin struct semid_ds buf;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* acquire the semaphore */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin sem_id = semget(IPC_PRIVATE, 1, IPC_CREAT | 0600);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (sem_id < 0) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("semget");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin exit(APEXIT_INIT);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ick.val = 1;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (semctl(sem_id, 0, SETVAL, ick) < 0) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("semctl(SETVAL)");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin exit(APEXIT_INIT);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (!getuid()) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* restrict it to use only by the appropriate user_id ... not that this

5876f43a746f688a32b7201bced8591ddf19bd43minfrin buf.sem_perm.uid = unixd_config.user_id;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin buf.sem_perm.gid = unixd_config.group_id;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin buf.sem_perm.mode = 0600;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ick.buf = &buf;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (semctl(sem_id, 0, IPC_SET, ick) < 0) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("semctl(IPC_SET)");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin exit(APEXIT_INIT);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ap_register_cleanup(p, NULL, accept_mutex_cleanup, ap_null_cleanup);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* preinitialize these */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin op_on.sem_num = 0;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin op_on.sem_op = -1;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin op_on.sem_flg = SEM_UNDO;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin op_off.sem_num = 0;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin op_off.sem_op = 1;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin op_off.sem_flg = SEM_UNDO;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_on(void)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin while (semop(sem_id, &op_on, 1) < 0) {

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg if (errno != EINTR) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("accept_mutex_on");

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg clean_child_exit(APEXIT_CHILDFATAL);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_off(void)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin while (semop(sem_id, &op_off, 1) < 0) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (errno != EINTR) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("accept_mutex_off");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin clean_child_exit(APEXIT_CHILDFATAL);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#elif defined(USE_FCNTL_SERIALIZED_ACCEPT)

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic struct flock lock_it;

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic struct flock unlock_it;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic int lock_fd = -1;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin#define accept_mutex_child_init(x)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_init(ap_context_t *p)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ap_file_t *tempfile = NULL;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin lock_it.l_whence = SEEK_SET; /* from current point */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin lock_it.l_start = 0; /* -"- */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin lock_it.l_len = 0; /* until end of file */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin lock_it.l_type = F_WRLCK; /* set exclusive/write lock */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin lock_it.l_pid = 0; /* pid not actually interesting */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin unlock_it.l_whence = SEEK_SET; /* from current point */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin unlock_it.l_start = 0; /* -"- */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin unlock_it.l_len = 0; /* until end of file */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin unlock_it.l_type = F_UNLCK; /* set exclusive/write lock */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin unlock_it.l_pid = 0; /* pid not actually interesting */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin expand_lock_fname(p);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ap_open(&tempfile, ap_lock_fname, APR_CREATE | APR_WRITE | APR_EXCL,

5876f43a746f688a32b7201bced8591ddf19bd43minfrin APR_UREAD | APR_UWRITE | APR_GREAD | APR_WREAD, p);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ap_get_os_file(&lock_fd, tempfile);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (lock_fd == -1) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin perror("open");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL,

5876f43a746f688a32b7201bced8591ddf19bd43minfrin "Cannot open lock file: %s", ap_lock_fname);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin exit(APEXIT_INIT);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin unlink(ap_lock_fname);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_on(void)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin int ret;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin while ((ret = fcntl(lock_fd, F_SETLKW, &lock_it)) < 0 && errno == EINTR) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* nop */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (ret < 0) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin ap_log_error(APLOG_MARK, APLOG_EMERG, errno, server_conf,

5876f43a746f688a32b7201bced8591ddf19bd43minfrin "fcntl: F_SETLKW: Error getting accept lock, exiting! "

5876f43a746f688a32b7201bced8591ddf19bd43minfrin "Perhaps you need to use the LockFile directive to place "

5876f43a746f688a32b7201bced8591ddf19bd43minfrin "your lock file on a local disk!");

5876f43a746f688a32b7201bced8591ddf19bd43minfrin clean_child_exit(APEXIT_CHILDFATAL);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin}

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void accept_mutex_off(void)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin int ret;

5876f43a746f688a32b7201bced8591ddf19bd43minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrin while ((ret = fcntl(lock_fd, F_SETLKW, &unlock_it)) < 0 && errno == EINTR) {

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* nop */

5876f43a746f688a32b7201bced8591ddf19bd43minfrin }

5876f43a746f688a32b7201bced8591ddf19bd43minfrin if (ret < 0) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_log_error(APLOG_MARK, APLOG_EMERG, errno, server_conf,

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz "fcntl: F_SETLKW: Error freeing accept lock, exiting! "

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz "Perhaps you need to use the LockFile directive to place "

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin "your lock file on a local disk!");

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz clean_child_exit(APEXIT_CHILDFATAL);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#elif defined(USE_FLOCK_SERIALIZED_ACCEPT)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic int lock_fd = -1;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic ap_status_t accept_mutex_cleanup(void *foo)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin unlink(ap_lock_fname);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd return APR_SUCCESS;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_child_init(ap_context_t *p)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_file_t *tempfile = NULL;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_status_t ret;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ret=ap_open(&tempfile, ap_lock_fname, APR_WRITE, APR_UREAD|APR_UWRITE, p);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (ret != APR_SUCCESS) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_log_error(APLOG_MARK, APLOG_EMERG, ret, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "Child cannot open lock file: %s", ap_lock_fname);

0ecc05d02d9ee3d110cb9e263080aaa2b77a12f9jim clean_child_exit(APEXIT_CHILDINIT);

07d000c26f08bb7d590da25057748b28b8b59741jim }

07d000c26f08bb7d590da25057748b28b8b59741jim ap_get_os_file(&lock_fd, tempfile);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_init(ap_context_t *p)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_file_t *tempfile = NULL;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_status_t ret;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz expand_lock_fname(p);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd unlink(ap_lock_fname);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ret=ap_open(&tempfile, ap_lock_fname, APR_CREATE|APR_WRITE|APR_EXCL,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd APR_UREAD|APR_UWRITE, p);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (ret != APR_SUCCESS) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_log_error(APLOG_MARK, APLOG_EMERG, ret, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "Parent cannot open lock file: %s", ap_lock_fname);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd exit(APEXIT_INIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_get_os_file(&lock_fd, tempfile);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_register_cleanup(p, NULL, accept_mutex_cleanup, ap_null_cleanup);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_on(void)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd int ret;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd while ((ret = flock(lock_fd, LOCK_EX)) < 0 && errno == EINTR)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd continue;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (ret < 0) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_log_error(APLOG_MARK, APLOG_EMERG, errno, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "flock: LOCK_EX: Error getting accept lock. Exiting!");

6850c836b8c7c688ef8a8ec280e798e1d0bfbf01trawick clean_child_exit(APEXIT_CHILDFATAL);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_off(void)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (flock(lock_fd, LOCK_UN) < 0) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_log_error(APLOG_MARK, APLOG_EMERG, errno, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "flock: LOCK_UN: Error freeing accept lock. Exiting!");

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd clean_child_exit(APEXIT_CHILDFATAL);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#elif defined(USE_OS2SEM_SERIALIZED_ACCEPT)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic HMTX lock_sem = -1;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_cleanup(void *foo)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd DosReleaseMutexSem(lock_sem);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd DosCloseMutexSem(lock_sem);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_child_init(ap_context_t *p)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd int rc = DosOpenMutexSem(NULL, &lock_sem);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (rc != 0) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_EMERG, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "Child cannot open lock semaphore, rc=%d", rc);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd clean_child_exit(APEXIT_CHILDINIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd } else {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_register_cleanup(p, NULL, accept_mutex_cleanup, ap_null_cleanup);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_init(ap_context_t *p)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd int rc = DosCreateMutexSem(NULL, &lock_sem, DC_SEM_SHARED, FALSE);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (rc != 0) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_EMERG, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "Parent cannot create lock semaphore, rc=%d", rc);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd exit(APEXIT_INIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_register_cleanup(p, NULL, accept_mutex_cleanup, ap_null_cleanup);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_on(void)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd int rc = DosRequestMutexSem(lock_sem, SEM_INDEFINITE_WAIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (rc != 0) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_EMERG, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "OS2SEM: Error %d getting accept lock. Exiting!", rc);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd clean_child_exit(APEXIT_CHILDFATAL);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_off(void)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd int rc = DosReleaseMutexSem(lock_sem);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd if (rc != 0) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_EMERG, server_conf,

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd "OS2SEM: Error %d freeing accept lock. Exiting!", rc);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd clean_child_exit(APEXIT_CHILDFATAL);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd#elif defined(USE_TPF_CORE_SERIALIZED_ACCEPT)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic int tpf_core_held;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic void accept_mutex_cleanup(void *foo)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if(tpf_core_held)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz coruc(RESOURCE_KEY);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#define accept_mutex_init(x)

7585f3892ce3057554a5bef740302dd479b223b2nd

13be69a729c912bea7d0aa22596b92717df92551pquernastatic void accept_mutex_child_init(ap_context_t *p)

7585f3892ce3057554a5bef740302dd479b223b2nd{

7585f3892ce3057554a5bef740302dd479b223b2nd ap_register_cleanup(p, NULL, accept_mutex_cleanup, ap_null_cleanup);

7585f3892ce3057554a5bef740302dd479b223b2nd tpf_core_held = 0;

7585f3892ce3057554a5bef740302dd479b223b2nd}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic void accept_mutex_on(void)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd corhc(RESOURCE_KEY);

e8f95a682820a599fe41b22977010636be5c2717jim tpf_core_held = 1;

85fa7868b2734d79c4e27b74d54b6846a1f9176fcolm ap_check_signals();

13be69a729c912bea7d0aa22596b92717df92551pquerna}

e8f95a682820a599fe41b22977010636be5c2717jim

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void accept_mutex_off(void)

13be69a729c912bea7d0aa22596b92717df92551pquerna{

13be69a729c912bea7d0aa22596b92717df92551pquerna coruc(RESOURCE_KEY);

13be69a729c912bea7d0aa22596b92717df92551pquerna tpf_core_held = 0;

13be69a729c912bea7d0aa22596b92717df92551pquerna ap_check_signals();

13be69a729c912bea7d0aa22596b92717df92551pquerna}

13be69a729c912bea7d0aa22596b92717df92551pquerna

13be69a729c912bea7d0aa22596b92717df92551pquerna#else

13be69a729c912bea7d0aa22596b92717df92551pquerna#if !defined(MULTITHREAD)

13be69a729c912bea7d0aa22596b92717df92551pquerna#define NO_SERIALIZED_ACCEPT

13be69a729c912bea7d0aa22596b92717df92551pquerna#define accept_mutex_child_init(x)

13be69a729c912bea7d0aa22596b92717df92551pquerna#define accept_mutex_init(x)

13be69a729c912bea7d0aa22596b92717df92551pquerna#define accept_mutex_on()

13be69a729c912bea7d0aa22596b92717df92551pquerna#define accept_mutex_off()

0696197a54f186a65abacba1037f6fbe0cb975a1niq#endif

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin#endif

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

13be69a729c912bea7d0aa22596b92717df92551pquerna#ifdef SINGLE_LISTEN_UNSERIALIZED_ACCEPT

13be69a729c912bea7d0aa22596b92717df92551pquerna#define SAFE_ACCEPT(stmt) do {if (ap_listeners->next) {stmt;}} while(0)

13be69a729c912bea7d0aa22596b92717df92551pquerna#else

13be69a729c912bea7d0aa22596b92717df92551pquerna#define SAFE_ACCEPT(stmt) do {stmt;} while(0)

13be69a729c912bea7d0aa22596b92717df92551pquerna#endif

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

13be69a729c912bea7d0aa22596b92717df92551pquerna

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#ifdef HAS_OTHER_CHILD

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinAPI_EXPORT(void) ap_register_other_child(int pid,

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin void (*maintenance) (int reason, void *, ap_wait_t status),

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin void *data, int write_fd)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin other_child_rec *ocr;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ocr = ap_palloc(pconf, sizeof(*ocr));

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ocr->pid = pid;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ocr->maintenance = maintenance;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ocr->data = data;

9de73d09e50d2daa2b0ba263d01cf6bf972a27fdrpluem ocr->write_fd = write_fd;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ocr->next = other_children;

af91703d7657e52921bb36c44ff093b2d2077d0cminfrin other_children = ocr;

af91703d7657e52921bb36c44ff093b2d2077d0cminfrin}

af91703d7657e52921bb36c44ff093b2d2077d0cminfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzAPI_EXPORT(void) ap_unregister_other_child(void *data)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz other_child_rec **pocr, *nocr;

13be69a729c912bea7d0aa22596b92717df92551pquerna

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz for (pocr = &other_children; *pocr; pocr = &(*pocr)->next) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if ((*pocr)->data == data) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz nocr = (*pocr)->next;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz (*(*pocr)->maintenance) (OC_REASON_UNREGISTER, (*pocr)->data, -1);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz *pocr = nocr;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz /* XXX: um, well we've just wasted some space in pconf ? */

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz return;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic void probe_writable_fds(void)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz fd_set writable_fds;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int fd_max;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz other_child_rec *ocr, *nocr;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz struct timeval tv;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int rc;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (other_children == NULL)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz return;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz fd_max = 0;

13be69a729c912bea7d0aa22596b92717df92551pquerna FD_ZERO(&writable_fds);

13be69a729c912bea7d0aa22596b92717df92551pquerna do {

85fa7868b2734d79c4e27b74d54b6846a1f9176fcolm for (ocr = other_children; ocr; ocr = ocr->next) {

85fa7868b2734d79c4e27b74d54b6846a1f9176fcolm if (ocr->write_fd == -1)

13be69a729c912bea7d0aa22596b92717df92551pquerna continue;

e8f95a682820a599fe41b22977010636be5c2717jim FD_SET(ocr->write_fd, &writable_fds);

13be69a729c912bea7d0aa22596b92717df92551pquerna if (ocr->write_fd > fd_max) {

13be69a729c912bea7d0aa22596b92717df92551pquerna fd_max = ocr->write_fd;

13be69a729c912bea7d0aa22596b92717df92551pquerna }

13be69a729c912bea7d0aa22596b92717df92551pquerna }

13be69a729c912bea7d0aa22596b92717df92551pquerna if (fd_max == 0)

13be69a729c912bea7d0aa22596b92717df92551pquerna return;

a059fab04e8584e8bfdcaf1103e2ec6f53f97a14pquerna

a059fab04e8584e8bfdcaf1103e2ec6f53f97a14pquerna tv.tv_sec = 0;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin tv.tv_usec = 0;

13be69a729c912bea7d0aa22596b92717df92551pquerna rc = ap_select(fd_max + 1, NULL, &writable_fds, NULL, &tv);

be60e23cacdadb070a83d40086a6d689410acc38rpluem } while (rc == -1 && errno == EINTR);

13be69a729c912bea7d0aa22596b92717df92551pquerna

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin if (rc == -1) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin /* XXX: uhh this could be really bad, we could have a bad file

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_log_unixerr("probe_writable_fds", "select",

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin "could not probe writable fds", server_conf);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin return;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin }

be60e23cacdadb070a83d40086a6d689410acc38rpluem if (rc == 0)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin return;

be60e23cacdadb070a83d40086a6d689410acc38rpluem

13be69a729c912bea7d0aa22596b92717df92551pquerna for (ocr = other_children; ocr; ocr = nocr) {

13be69a729c912bea7d0aa22596b92717df92551pquerna nocr = ocr->next;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin if (ocr->write_fd == -1)

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin continue;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin if (FD_ISSET(ocr->write_fd, &writable_fds))

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin continue;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin (*ocr->maintenance) (OC_REASON_UNWRITABLE, ocr->data, -1);

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin }

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin}

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrinstatic int reap_other_child(int pid, ap_wait_t status)

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin{

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin other_child_rec *ocr, *nocr;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin for (ocr = other_children; ocr; ocr = nocr) {

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin nocr = ocr->next;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin if (ocr->pid != pid)

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin continue;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin ocr->pid = -1;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin (*ocr->maintenance) (OC_REASON_DEATH, ocr->data, status);

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin return 0;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin }

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin return -1;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin}

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin#endif

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin#if APR_HAS_SHARED_MEMORY

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin#include "apr_shmem.h"

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrinstatic ap_shmem_t *scoreboard_shm = NULL;

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrinstatic ap_status_t cleanup_shared_mem(void *d)

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin{

9ee5ae3a993134d40e9fb156b44b610ce261875cminfrin ap_shm_free(scoreboard_shm, ap_scoreboard_image);

13be69a729c912bea7d0aa22596b92717df92551pquerna ap_scoreboard_image = NULL;

13be69a729c912bea7d0aa22596b92717df92551pquerna ap_shm_destroy(scoreboard_shm);

13be69a729c912bea7d0aa22596b92717df92551pquerna return APR_SUCCESS;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic void setup_shared_mem(ap_context_t *p)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd char buf[512];

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd const char *fname;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz fname = ap_server_root_relative(p, ap_scoreboard_fname);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (ap_shm_init(&scoreboard_shm, SCOREBOARD_SIZE + NEW_SCOREBOARD_SIZE + 40, fname, p) != APR_SUCCESS) {

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_snprintf(buf, sizeof(buf), "%s: could not open(create) scoreboard",

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_server_argv0);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin perror(buf);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd exit(APEXIT_INIT);

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_scoreboard_image = ap_shm_malloc(scoreboard_shm, SCOREBOARD_SIZE);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_new_scoreboard_image = ap_shm_malloc(scoreboard_shm, NEW_SCOREBOARD_SIZE);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (ap_scoreboard_image == NULL) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_snprintf(buf, sizeof(buf), "%s: cannot allocate scoreboard",

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_server_argv0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz perror(buf);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_shm_destroy(scoreboard_shm);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz exit(APEXIT_INIT);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_register_cleanup(p, NULL, cleanup_shared_mem, ap_null_cleanup);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_scoreboard_image->global.running_generation = 0;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic void reopen_scoreboard(ap_context_t *p)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void reinit_scoreboard(ap_context_t *p)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int running_gen = 0;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (ap_scoreboard_image)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd running_gen = ap_scoreboard_image->global.running_generation;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (ap_scoreboard_image == NULL) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz setup_shared_mem(p);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz memset(ap_scoreboard_image, 0, SCOREBOARD_SIZE);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_scoreboard_image->global.running_generation = running_gen;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinap_inline void ap_sync_scoreboard_image(void)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#ifdef SCOREBOARD_FILE

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin lseek(scoreboard_fd, 0L, 0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz force_read(scoreboard_fd, ap_scoreboard_image, sizeof(*ap_scoreboard_image))

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankgAPI_EXPORT(int) ap_exists_scoreboard_image(void)

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz return (ap_scoreboard_image ? 1 : 0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinstatic ap_inline void put_scoreboard_info(int child_num,

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz short_score *new_score_rec)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin{

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin#ifdef SCOREBOARD_FILE

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz lseek(scoreboard_fd, (long) child_num * sizeof(short_score), 0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz force_write(scoreboard_fd, new_score_rec, sizeof(short_score));

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzint ap_update_child_status(int child_num, int status, request_rec *r)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz int old_status;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz short_score *ss;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (child_num < 0)

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin return -1;

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg ap_check_signals();

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin ss = &ap_scoreboard_image->servers[child_num];

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz old_status = ss->status;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ss->status = status;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin if (ap_extended_status) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (status == SERVER_READY || status == SERVER_DEAD) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz /*

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (status == SERVER_DEAD) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ss->my_access_count = 0L;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ss->my_bytes_served = 0L;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ss->conn_count = (unsigned short) 0;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ss->conn_bytes = (unsigned long) 0;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (r) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz conn_rec *c = r->connection;

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd ap_cpystrn(ss->client, ap_get_remote_host(c, r->per_dir_config,

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz REMOTE_NOLOOKUP), sizeof(ss->client));

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (r->the_request == NULL) {

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_cpystrn(ss->request, "NULL", sizeof(ss->request));

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg } else if (r->parsed_uri.password == NULL) {

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg ap_cpystrn(ss->request, r->the_request, sizeof(ss->request));

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin } else {

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin /* Don't reveal the password in the server-status view */

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_cpystrn(ss->request, ap_pstrcat(r->pool, r->method, " ",

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_unparse_uri_components(r->pool, &r->parsed_uri, UNP_OMITPASSWORD),

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd r->assbackwards ? NULL : " ", r->protocol, NULL),

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin sizeof(ss->request));

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ss->vhostrec = r->server;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (status == SERVER_STARTING && r == NULL) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz /* clean up the slot's vhostrec pointer (maybe re-used)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ss->vhostrec = NULL;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_scoreboard_image->parent[child_num].generation = ap_my_generation;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#ifdef SCOREBOARD_FILE

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz lseek(scoreboard_fd, XtOffsetOf(scoreboard, parent[child_num]), 0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz force_write(scoreboard_fd, &ap_scoreboard_image->parent[child_num],

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz sizeof(parent_score));

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz }

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin put_scoreboard_info(child_num, ss);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz return old_status;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9ndstatic void update_scoreboard_global(void)

03bdb4fb430b0d4e502ddfc75f7e9dbd91db72e9nd{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#ifdef SCOREBOARD_FILE

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz lseek(scoreboard_fd,

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz (char *) &ap_scoreboard_image->global -(char *) ap_scoreboard_image, 0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz force_write(scoreboard_fd, &ap_scoreboard_image->global,

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz sizeof ap_scoreboard_image->global);

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#endif

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg}

51c6a215cedf19fe46a20b5cbb57f01ec4d5e8c4fuankg

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrinvoid ap_time_process_request(int child_num, int status)

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz short_score *ss;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#if !defined(HAVE_GETTIMEOFDAY) && defined(HAVE_TIMES)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz struct tms tms_blk;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz#endif

9fe23388f983cb652b5d68e2bd92aa9f0568c574minfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (child_num < 0)

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz return;

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_sync_scoreboard_image();

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss = &ap_scoreboard_image->servers[child_num];

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (status == START_PREQUEST) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#if !defined(HAVE_GETTIMEOFDAY)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#ifdef HAVE_TIMES

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if ((ss->start_time = times(&tms_blk)) == -1)

2c2ced9d18f0b065f620b0ead09ba25e955c3cc7sf#endif /* HAVE_TIMES */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->start_time = (clock_t) 0;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#else

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (gettimeofday(&ss->start_time, (struct timezone *) 0) < 0)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->start_time.tv_sec =

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->start_time.tv_usec = 0L;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#endif

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin else if (status == STOP_PREQUEST) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#if !defined(HAVE_GETTIMEOFDAY)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#ifdef HAVE_TIMES

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if ((ss->stop_time = times(&tms_blk)) == -1)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#endif

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->stop_time = ss->start_time = (clock_t) 0;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#else

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (gettimeofday(&ss->stop_time, (struct timezone *) 0) < 0)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->stop_time.tv_sec =

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->stop_time.tv_usec =

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->start_time.tv_sec =

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ss->start_time.tv_usec = 0L;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#endif

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin put_scoreboard_info(child_num, ss);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin}

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrinstatic int find_child_by_pid(int pid)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin{

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin int i;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin for (i = 0; i < max_daemons_limit; ++i)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (ap_scoreboard_image->parent[i].pid == pid)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin return i;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin return -1;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin}

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrinstatic void reclaim_child_processes(int terminate)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin{

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#ifndef MULTITHREAD

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin int i, status;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin long int waittime = 1024 * 16; /* in usecs */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin struct timeval tv;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin int waitret, tries;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin int not_dead_yet;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#ifdef HAS_OTHER_CHILD

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin other_child_rec *ocr, *nocr;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#endif

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_sync_scoreboard_image();

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin for (tries = terminate ? 4 : 1; tries <= 9; ++tries) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* don't want to hold up progress any more than

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin tv.tv_sec = waittime / 1000000;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin tv.tv_usec = waittime % 1000000;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin waittime = waittime * 4;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_select(0, NULL, NULL, NULL, &tv);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* now see who is done */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin not_dead_yet = 0;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin for (i = 0; i < max_daemons_limit; ++i) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin int pid = ap_scoreboard_image->parent[i].pid;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (pid == my_pid || pid == 0)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin continue;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin waitret = waitpid(pid, &status, WNOHANG);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (waitret == pid || waitret == -1) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_scoreboard_image->parent[i].pid = 0;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin continue;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ++not_dead_yet;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin switch (tries) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 1: /* 16ms */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 2: /* 82ms */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 3: /* 344ms */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* perhaps it missed the SIGHUP, lets try again */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_WARNING,

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin 0, server_conf,

2c2ced9d18f0b065f620b0ead09ba25e955c3cc7sf "child process %d did not exit, sending another SIGHUP",

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin pid);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin kill(pid, SIGHUP);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin waittime = 1024 * 16;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 4: /* 16ms */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 5: /* 82ms */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 6: /* 344ms */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

2c2ced9d18f0b065f620b0ead09ba25e955c3cc7sf case 7: /* 1.4sec */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* ok, now it's being annoying */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_WARNING,

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin 0, server_conf,

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin "child process %d still did not exit, sending a SIGTERM",

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin pid);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin kill(pid, SIGTERM);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

2c2ced9d18f0b065f620b0ead09ba25e955c3cc7sf case 8: /* 6 sec */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* die child scum */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, server_conf,

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin "child process %d still did not exit, sending a SIGKILL",

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin pid);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin kill(pid, SIGKILL);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin case 9: /* 14 sec */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* gave it our best shot, but alas... If this really

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, server_conf,

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin "could not make child process %d exit, "

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin "attempting to continue anyway", pid);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#ifdef HAS_OTHER_CHILD

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin for (ocr = other_children; ocr; ocr = nocr) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin nocr = ocr->next;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (ocr->pid == -1)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin continue;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin waitret = waitpid(ocr->pid, &status, WNOHANG);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (waitret == ocr->pid) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ocr->pid = -1;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin (*ocr->maintenance) (OC_REASON_DEATH, ocr->data, status);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin else if (waitret == 0) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin (*ocr->maintenance) (OC_REASON_RESTART, ocr->data, -1);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ++not_dead_yet;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin else if (waitret == -1) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* uh what the heck? they didn't call unregister? */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin ocr->pid = -1;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin (*ocr->maintenance) (OC_REASON_LOST, ocr->data, -1);

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#endif

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin if (!not_dead_yet) {

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin /* nothing left to wait for */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin break;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin }

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#endif /* ndef MULTITHREAD */

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin}

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin#if defined(NEED_WAITPID)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrinint reap_children(ap_wait_t *status)

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin{

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin int n, pid;

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz for (n = 0; n < max_daemons_limit; ++n) {

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz ap_sync_scoreboard_image();

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz if (ap_scoreboard_image->servers[n].status != SERVER_DEAD &&

2d728410bcf9e6e53698bb035f516e18efd76d8bnd kill((pid = ap_scoreboard_image->parent[n].pid), 0) == -1) {

1018201f5223624476334c6e23aead02db7c4040minfrin ap_update_child_status(n, SERVER_DEAD, NULL);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz /* just mark it as having a successful exit status */

1018201f5223624476334c6e23aead02db7c4040minfrin bzero((char *) status, sizeof(ap_wait_t));

9333012aa2af9e669db651f0ade3e044ccc3ec84rpluem return(pid);

1018201f5223624476334c6e23aead02db7c4040minfrin }

9333012aa2af9e669db651f0ade3e044ccc3ec84rpluem }

2d728410bcf9e6e53698bb035f516e18efd76d8bnd return 0;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin}

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#endif

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

2d728410bcf9e6e53698bb035f516e18efd76d8bnd

487d8b4e063696dd9698792a13c8e426635f1072nd#ifndef INTERVAL_OF_WRITABLE_PROBES

2d728410bcf9e6e53698bb035f516e18efd76d8bnd#define INTERVAL_OF_WRITABLE_PROBES 10

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin#endif

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic int wait_or_timeout_counter;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrinstatic int wait_or_timeout(ap_wait_t *status)

487d8b4e063696dd9698792a13c8e426635f1072nd{

2d728410bcf9e6e53698bb035f516e18efd76d8bnd struct timeval tv;

2d728410bcf9e6e53698bb035f516e18efd76d8bnd int ret;

487d8b4e063696dd9698792a13c8e426635f1072nd

2d728410bcf9e6e53698bb035f516e18efd76d8bnd ++wait_or_timeout_counter;

2d728410bcf9e6e53698bb035f516e18efd76d8bnd if (wait_or_timeout_counter == INTERVAL_OF_WRITABLE_PROBES) {

663c339c8a4663cf1977f890481f8b7e251d3221jerenkrantz wait_or_timeout_counter = 0;

487d8b4e063696dd9698792a13c8e426635f1072nd#ifdef HAS_OTHER_CHILD

2d728410bcf9e6e53698bb035f516e18efd76d8bnd probe_writable_fds();

2d728410bcf9e6e53698bb035f516e18efd76d8bnd#endif

487d8b4e063696dd9698792a13c8e426635f1072nd }

663c339c8a4663cf1977f890481f8b7e251d3221jerenkrantz ret = waitpid(-1, status, WNOHANG);

663c339c8a4663cf1977f890481f8b7e251d3221jerenkrantz if (ret == -1 && errno == EINTR) {

663c339c8a4663cf1977f890481f8b7e251d3221jerenkrantz return -1;

663c339c8a4663cf1977f890481f8b7e251d3221jerenkrantz }

2d728410bcf9e6e53698bb035f516e18efd76d8bnd if (ret > 0) {

487d8b4e063696dd9698792a13c8e426635f1072nd return ret;

4dd97ffc9c529494e0ec820fe9de80b39b589d42minfrin }

5dc4220fc22561537ce1421a03e11846a5b719ebminfrin#ifdef NEED_WAITPID

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin if ((ret = reap_children(status)) > 0) {

fac37c9794a18c24d187f4e0f97a9476c4344118minfrin return ret;

487d8b4e063696dd9698792a13c8e426635f1072nd }

487d8b4e063696dd9698792a13c8e426635f1072nd#endif

487d8b4e063696dd9698792a13c8e426635f1072nd tv.tv_sec = SCOREBOARD_MAINTENANCE_INTERVAL / 1000000;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin tv.tv_usec = SCOREBOARD_MAINTENANCE_INTERVAL % 1000000;

f58bb3da705eb7ec926f4883597fc2eb1336a360minfrin ap_select(0, NULL, NULL, NULL, &tv);

2d728410bcf9e6e53698bb035f516e18efd76d8bnd return -1;

2d728410bcf9e6e53698bb035f516e18efd76d8bnd}

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

5876f43a746f688a32b7201bced8591ddf19bd43minfrinstatic void sig_coredump(int sig)

5876f43a746f688a32b7201bced8591ddf19bd43minfrin{

5876f43a746f688a32b7201bced8591ddf19bd43minfrin chdir(ap_coredump_dir);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin signal(sig, SIG_DFL);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin kill(getpid(), sig);

5876f43a746f688a32b7201bced8591ddf19bd43minfrin /* At this point we've got sig blocked, because we're still inside

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin}

6fee4e2faa2e45fe2636d01e35d03c2cf0c9d431minfrin

2d728410bcf9e6e53698bb035f516e18efd76d8bnd

2d728410bcf9e6e53698bb035f516e18efd76d8bndstatic void just_die(int sig)

2d728410bcf9e6e53698bb035f516e18efd76d8bnd{

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz clean_child_exit(0);

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantz}

2d728410bcf9e6e53698bb035f516e18efd76d8bnd

9fe74ffcdea85800f04a7222f716f78ae60cce51jerenkrantzstatic int volatile deferred_die;

4e1b035de81cbd18cfaea3604d40209bc6919bd9trawickstatic int volatile usr1_just_die;

5bfaaf573bacb45c1cf290ce85ecc676587e8a64jim

4e1b035de81cbd18cfaea3604d40209bc6919bd9trawickstatic void usr1_handler(int sig)

4e1b035de81cbd18cfaea3604d40209bc6919bd9trawick{

4e1b035de81cbd18cfaea3604d40209bc6919bd9trawick if (usr1_just_die) {

4e1b035de81cbd18cfaea3604d40209bc6919bd9trawick just_die(sig);

fc1206972499ab73c4dfded43cef279d8bf01ad9minfrin }

fc1206972499ab73c4dfded43cef279d8bf01ad9minfrin deferred_die = 1;