a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

31eeb74b832eea054c7a42081c1afdeccd987e5etrawick#ifndef WIN32

31eeb74b832eea054c7a42081c1afdeccd987e5etrawick

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_thread_proc.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_signal.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_strings.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#define APR_WANT_STRFUNC

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_want.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_getopt.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_optional.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "apr_allocator.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "httpd.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "http_config.h"

7184de27ec1d62a83c41cdeac0953ca9fd661e8csf#include "http_core.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "http_log.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "http_main.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "mpm_common.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "ap_mpm.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "ap_listen.h"

66b7d26b8c3164ddd1cd1ee1d0bec6cd5780301btrawick#include "scoreboard.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include "util_mutex.h"

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef HAVE_PWD_H

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include <pwd.h>

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef HAVE_GRP_H

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include <grp.h>

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#if APR_HAVE_UNISTD_H

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#include <unistd.h>

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

7184de27ec1d62a83c41cdeac0953ca9fd661e8csf#undef APLOG_MODULE_INDEX

7184de27ec1d62a83c41cdeac0953ca9fd661e8csf#define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX

36ef8f77bffe75d1aa327882be1b5bdbe2ff567asf

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowetypedef enum {DO_NOTHING, SEND_SIGTERM, SEND_SIGKILL, GIVEUP} action_t;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowetypedef struct extra_process_t {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe struct extra_process_t *next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid_t pid;

925a6d92173ab96cdb0a8976c7aac13ef809e218trawick ap_generation_t gen;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe} extra_process_t;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic extra_process_t *extras;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(void) ap_register_extra_mpm_process(pid_t pid, ap_generation_t gen)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

3a59bb90be3bc6246632384c3d885b875ae507d5sf extra_process_t *p = (extra_process_t *)ap_malloc(sizeof(extra_process_t));

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe p->next = extras;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe p->pid = pid;

925a6d92173ab96cdb0a8976c7aac13ef809e218trawick p->gen = gen;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extras = p;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(int) ap_unregister_extra_mpm_process(pid_t pid, ap_generation_t *old_gen)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extra_process_t *cur = extras;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extra_process_t *prev = NULL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe while (cur && cur->pid != pid) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe prev = cur;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur = cur->next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (cur) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (prev) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe prev->next = cur->next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extras = cur->next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

5dbf872a31f8e3734c75cc03a1956410445d843crpluem *old_gen = cur->gen;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe free(cur);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1; /* found */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* we don't know about any such process */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic int reclaim_one_pid(pid_t pid, action_t action)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_proc_t proc;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t waitret;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_exit_why_e why;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int status;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* Ensure pid sanity. */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pid < 1) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

5bfaaf573bacb45c1cf290ce85ecc676587e8a64jim }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe proc.pid = pid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe waitret = apr_proc_wait(&proc, &status, &why, APR_NOWAIT);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (waitret != APR_CHILD_NOTDONE) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (waitret == APR_CHILD_DONE)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_process_child_status(&proc, why, status);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe switch(action) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case DO_NOTHING:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe break;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case SEND_SIGTERM:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* ok, now it's being annoying */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_WARNING,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00045)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "child process %" APR_PID_T_FMT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe " still did not exit, "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "sending a SIGTERM",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe kill(pid, SIGTERM);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe break;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case SEND_SIGKILL:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_ERR,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00046)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "child process %" APR_PID_T_FMT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe " still did not exit, "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "sending a SIGKILL",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe kill(pid, SIGKILL);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe break;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case GIVEUP:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* gave it our best shot, but alas... If this really

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_ERR,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00047)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "could not make child process %" APR_PID_T_FMT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe " exit, "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "attempting to continue anyway",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe break;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(void) ap_reclaim_child_processes(int terminate,

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankg ap_reclaim_callback_fn_t *mpm_callback)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_time_t waittime = 1024 * 16;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int i;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extra_process_t *cur_extra;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int not_dead_yet;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int max_daemons;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_time_t starttime = apr_time_now();

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* this table of actions and elapsed times tells what action is taken

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe struct {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe action_t action;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_time_t action_time;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe } action_table[] = {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe {DO_NOTHING, 0}, /* dummy entry for iterations where we reap

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe {SEND_SIGTERM, apr_time_from_sec(3)},

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe {SEND_SIGTERM, apr_time_from_sec(5)},

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe {SEND_SIGTERM, apr_time_from_sec(7)},

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe {SEND_SIGKILL, apr_time_from_sec(9)},

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe {GIVEUP, apr_time_from_sec(10)}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe };

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int cur_action; /* index of action we decided to take this

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int next_action = 1; /* index of first real action */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_mpm_query(AP_MPMQ_MAX_DAEMON_USED, &max_daemons);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe do {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_sleep(waittime);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* don't let waittime get longer than 1 second; otherwise, we don't

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe waittime = waittime * 4;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (waittime > apr_time_from_sec(1)) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe waittime = apr_time_from_sec(1);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* see what action to take, if any */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (action_table[next_action].action_time <= apr_time_now() - starttime) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur_action = next_action;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ++next_action;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur_action = 0; /* nothing to do */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* now see who is done */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe not_dead_yet = 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe for (i = 0; i < max_daemons; ++i) {

66b7d26b8c3164ddd1cd1ee1d0bec6cd5780301btrawick process_score *ps = ap_get_scoreboard_process(i);

66b7d26b8c3164ddd1cd1ee1d0bec6cd5780301btrawick pid_t pid = ps->pid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pid == 0) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe continue; /* not every scoreboard entry is in use */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (reclaim_one_pid(pid, action_table[cur_action].action)) {

925a6d92173ab96cdb0a8976c7aac13ef809e218trawick mpm_callback(i, 0, 0);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ++not_dead_yet;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur_extra = extras;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe while (cur_extra) {

925a6d92173ab96cdb0a8976c7aac13ef809e218trawick ap_generation_t old_gen;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extra_process_t *next = cur_extra->next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (reclaim_one_pid(cur_extra->pid, action_table[cur_action].action)) {

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick if (ap_unregister_extra_mpm_process(cur_extra->pid, &old_gen) == 1) {

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick mpm_callback(-1, cur_extra->pid, old_gen);

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick }

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick else {

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick AP_DEBUG_ASSERT(1 == 0);

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ++not_dead_yet;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur_extra = next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#if APR_HAS_OTHER_CHILD

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_proc_other_child_refresh_all(APR_OC_REASON_RESTART);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe } while (not_dead_yet > 0 &&

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe action_table[cur_action].action != GIVEUP);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(void) ap_relieve_child_processes(ap_reclaim_callback_fn_t *mpm_callback)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int i;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extra_process_t *cur_extra;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int max_daemons;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_mpm_query(AP_MPMQ_MAX_DAEMON_USED, &max_daemons);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* now see who is done */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe for (i = 0; i < max_daemons; ++i) {

66b7d26b8c3164ddd1cd1ee1d0bec6cd5780301btrawick process_score *ps = ap_get_scoreboard_process(i);

66b7d26b8c3164ddd1cd1ee1d0bec6cd5780301btrawick pid_t pid = ps->pid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pid == 0) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe continue; /* not every scoreboard entry is in use */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (reclaim_one_pid(pid, DO_NOTHING)) {

925a6d92173ab96cdb0a8976c7aac13ef809e218trawick mpm_callback(i, 0, 0);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur_extra = extras;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe while (cur_extra) {

925a6d92173ab96cdb0a8976c7aac13ef809e218trawick ap_generation_t old_gen;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe extra_process_t *next = cur_extra->next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (reclaim_one_pid(cur_extra->pid, DO_NOTHING)) {

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick if (ap_unregister_extra_mpm_process(cur_extra->pid, &old_gen) == 1) {

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick mpm_callback(-1, cur_extra->pid, old_gen);

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick }

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick else {

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick AP_DEBUG_ASSERT(1 == 0);

03ef97f46428f440af87766e2bdf98080fbfd4fatrawick }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe cur_extra = next;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(apr_status_t) ap_mpm_safe_kill(pid_t pid, int sig)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifndef HAVE_GETPGID

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_proc_t proc;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_exit_why_e why;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int status;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* Ensure pid sanity */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pid < 1) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_EINVAL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe proc.pid = pid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_proc_wait(&proc, &status, &why, APR_NOWAIT);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv == APR_CHILD_DONE) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* The child already died - log the termination status if

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_process_child_status(&proc, why, status);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_EINVAL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else if (rv != APR_CHILD_NOTDONE) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* The child is already dead and reaped, or was a bogus pid -

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_NOTICE, rv, ap_server_conf, APLOGNO(00048)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "cannot send signal %d to pid %ld (non-child or "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "already dead)", sig, (long)pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_EINVAL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#else

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid_t pg;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* Ensure pid sanity. */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pid < 1) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_EINVAL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

5bfaaf573bacb45c1cf290ce85ecc676587e8a64jim pg = getpgid(pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pg == -1) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* Process already dead... */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return errno;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (pg != getpgrp()) {

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_ALERT, 0, ap_server_conf, APLOGNO(00049)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "refusing to send signal %d to pid %ld outside "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "process group", sig, (long)pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_EINVAL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

5bfaaf573bacb45c1cf290ce85ecc676587e8a64jim#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return kill(pid, sig) ? errno : APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(int) ap_process_child_status(apr_proc_t *pid, apr_exit_why_e why,

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankg int status)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int signum = status;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe const char *sigdesc;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* Child died... if it died due to a fatal error,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (APR_PROC_CHECK_EXIT(why)) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (status == APEXIT_CHILDSICK) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return status;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (status == APEXIT_CHILDFATAL) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_ALERT,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00050)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "Child %" APR_PID_T_FMT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe " returned a Fatal error... Apache is exiting!",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid->pid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APEXIT_CHILDFATAL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (APR_PROC_CHECK_SIGNALED(why)) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sigdesc = apr_signal_description_get(signum);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe switch (signum) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case SIGTERM:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case SIGHUP:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case AP_SIG_GRACEFUL:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case SIGKILL:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe break;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe default:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (APR_PROC_CHECK_CORE_DUMP(why)) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_NOTICE,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00051)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "child pid %ld exit signal %s (%d), "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "possible coredump in %s",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe (long)pid->pid, sigdesc, signum,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_coredump_dir);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_NOTICE,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00052)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "child pid %ld exit signal %s (%d)",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe (long)pid->pid, sigdesc, signum);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wroweAP_DECLARE(apr_status_t) ap_mpm_pod_open(apr_pool_t *p, ap_pod_t **pod)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *pod = apr_palloc(p, sizeof(**pod));

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_file_pipe_create_ex(&((*pod)->pod_in), &((*pod)->pod_out),

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe APR_WRITE_BLOCK, p);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_file_pipe_timeout_set((*pod)->pod_in, 0);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe (*pod)->p = p;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* close these before exec. */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_file_inherit_unset((*pod)->pod_in);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_file_inherit_unset((*pod)->pod_out);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wroweAP_DECLARE(apr_status_t) ap_mpm_pod_check(ap_pod_t *pod)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe char c;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_size_t len = 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_file_read(pod->pod_in, &c, &len);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if ((rv == APR_SUCCESS) && (len == 1)) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return AP_NORESTART;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wroweAP_DECLARE(apr_status_t) ap_mpm_pod_close(ap_pod_t *pod)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_file_close(pod->pod_out);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_file_close(pod->pod_in);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic apr_status_t pod_signal_internal(ap_pod_t *pod)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe char char_of_death = '!';

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_size_t one = 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_file_write(pod->pod_out, &char_of_death, &one);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, rv, ap_server_conf, APLOGNO(00053)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "write pipe_of_death");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

7cc77074d12e6ed11433da96af0df1e1a27e9b3djimAP_DECLARE(apr_status_t) ap_mpm_podx_open(apr_pool_t *p, ap_pod_t **pod)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim{

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_status_t rv;

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim *pod = apr_palloc(p, sizeof(**pod));

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim rv = apr_file_pipe_create(&((*pod)->pod_in), &((*pod)->pod_out), p);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim if (rv != APR_SUCCESS) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return rv;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim /*

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim (*pod)->p = p;

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim /* close these before exec. */

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_file_inherit_unset((*pod)->pod_in);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_file_inherit_unset((*pod)->pod_out);

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return APR_SUCCESS;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim}

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim

7cc77074d12e6ed11433da96af0df1e1a27e9b3djimAP_DECLARE(int) ap_mpm_podx_check(ap_pod_t *pod)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim{

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim char c;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_os_file_t fd;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim int rc;

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim /* we need to surface EINTR so we'll have to grab the

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_os_file_get(&fd, pod->pod_in);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim rc = read(fd, &c, 1);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim if (rc == 1) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim switch (c) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim case AP_MPM_PODX_RESTART_CHAR:

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return AP_MPM_PODX_RESTART;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim case AP_MPM_PODX_GRACEFUL_CHAR:

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return AP_MPM_PODX_GRACEFUL;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return AP_MPM_PODX_NORESTART;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim}

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim

7cc77074d12e6ed11433da96af0df1e1a27e9b3djimAP_DECLARE(apr_status_t) ap_mpm_podx_close(ap_pod_t *pod)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim{

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_status_t rv;

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim rv = apr_file_close(pod->pod_out);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim if (rv != APR_SUCCESS) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return rv;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim rv = apr_file_close(pod->pod_in);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim if (rv != APR_SUCCESS) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return rv;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return rv;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim}

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim

7cc77074d12e6ed11433da96af0df1e1a27e9b3djimstatic apr_status_t podx_signal_internal(ap_pod_t *pod,

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim ap_podx_restart_t graceful)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim{

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_status_t rv;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_size_t one = 1;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim char char_of_death = ' ';

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim switch (graceful) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim case AP_MPM_PODX_RESTART:

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim char_of_death = AP_MPM_PODX_RESTART_CHAR;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim break;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim case AP_MPM_PODX_GRACEFUL:

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim char_of_death = AP_MPM_PODX_GRACEFUL_CHAR;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim break;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim case AP_MPM_PODX_NORESTART:

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim break;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim rv = apr_file_write(pod->pod_out, &char_of_death, &one);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim if (rv != APR_SUCCESS) {

dc09fa76d6e9783a9d7fd4eddc1f1dfedbaa743cjim ap_log_error(APLOG_MARK, APLOG_WARNING, rv, ap_server_conf, APLOGNO(02404)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim "write pipe_of_death");

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return rv;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim}

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim

7cc77074d12e6ed11433da96af0df1e1a27e9b3djimAP_DECLARE(apr_status_t) ap_mpm_podx_signal(ap_pod_t * pod,

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim ap_podx_restart_t graceful)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim{

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim return podx_signal_internal(pod, graceful);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim}

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim

7cc77074d12e6ed11433da96af0df1e1a27e9b3djimAP_DECLARE(void) ap_mpm_podx_killpg(ap_pod_t * pod, int num,

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim ap_podx_restart_t graceful)

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim{

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim int i;

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim apr_status_t rv = APR_SUCCESS;

982c7823d8ad8c593209d2d91cba5b38615f36a5jailletc

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim for (i = 0; i < num && rv == APR_SUCCESS; i++) {

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim rv = podx_signal_internal(pod, graceful);

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim }

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim}

7cc77074d12e6ed11433da96af0df1e1a27e9b3djim

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic apr_status_t dummy_connection(ap_pod_t *pod)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

799ddc9f13bdcb23a662be8ec8276d44edd8b532jorton const char *data;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_socket_t *sock;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_pool_t *p;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_size_t len;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_listen_rec *lp;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* create a temporary pool for the socket. pconf stays around too long */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = apr_pool_create(&p, pod->p);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* If possible, find a listener which is configured for

a742cbb3e85669473b3233f30e3978bb6a20083cylavic lp = ap_listeners;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic while (lp && lp->protocol && strcasecmp(lp->protocol, "http") != 0) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic lp = lp->next;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic }

a742cbb3e85669473b3233f30e3978bb6a20083cylavic if (!lp) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic lp = ap_listeners;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic }

3c990331fc6702119e4f5b8ba9eae3021aea5265jim

a742cbb3e85669473b3233f30e3978bb6a20083cylavic rv = apr_socket_create(&sock, lp->bind_addr->family, SOCK_STREAM, 0, p);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic if (rv != APR_SUCCESS) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic ap_log_error(APLOG_MARK, APLOG_WARNING, rv, ap_server_conf, APLOGNO(00054)

a742cbb3e85669473b3233f30e3978bb6a20083cylavic "get socket to connect to listener");

a742cbb3e85669473b3233f30e3978bb6a20083cylavic apr_pool_destroy(p);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic return rv;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic }

3c990331fc6702119e4f5b8ba9eae3021aea5265jim

a742cbb3e85669473b3233f30e3978bb6a20083cylavic /* on some platforms (e.g., FreeBSD), the kernel won't accept many

a742cbb3e85669473b3233f30e3978bb6a20083cylavic rv = apr_socket_timeout_set(sock, apr_time_from_sec(3));

a742cbb3e85669473b3233f30e3978bb6a20083cylavic if (rv != APR_SUCCESS) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic ap_log_error(APLOG_MARK, APLOG_WARNING, rv, ap_server_conf, APLOGNO(00055)

a742cbb3e85669473b3233f30e3978bb6a20083cylavic "set timeout on socket to connect to listener");

a742cbb3e85669473b3233f30e3978bb6a20083cylavic apr_socket_close(sock);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic apr_pool_destroy(p);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic return rv;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a742cbb3e85669473b3233f30e3978bb6a20083cylavic rv = apr_socket_connect(sock, lp->bind_addr);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic if (rv != APR_SUCCESS) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic int log_level = APLOG_WARNING;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic

a742cbb3e85669473b3233f30e3978bb6a20083cylavic if (APR_STATUS_IS_TIMEUP(rv)) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic /* probably some server processes bailed out already and there

a742cbb3e85669473b3233f30e3978bb6a20083cylavic log_level = APLOG_DEBUG;

3c990331fc6702119e4f5b8ba9eae3021aea5265jim }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a742cbb3e85669473b3233f30e3978bb6a20083cylavic ap_log_error(APLOG_MARK, log_level, rv, ap_server_conf, APLOGNO(00056)

a742cbb3e85669473b3233f30e3978bb6a20083cylavic "connect to listener on %pI", lp->bind_addr);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic apr_pool_destroy(p);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic return rv;

3c990331fc6702119e4f5b8ba9eae3021aea5265jim }

a742cbb3e85669473b3233f30e3978bb6a20083cylavic

a742cbb3e85669473b3233f30e3978bb6a20083cylavic if (lp->protocol && strcasecmp(lp->protocol, "https") == 0) {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic /* Send a TLS 1.0 close_notify alert. This is perhaps the

a742cbb3e85669473b3233f30e3978bb6a20083cylavic static const unsigned char tls10_close_notify[7] = {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic '\x15', /* TLSPlainText.type = Alert (21) */

a742cbb3e85669473b3233f30e3978bb6a20083cylavic '\x03', '\x01', /* TLSPlainText.version = {3, 1} */

a742cbb3e85669473b3233f30e3978bb6a20083cylavic '\x00', '\x02', /* TLSPlainText.length = 2 */

a742cbb3e85669473b3233f30e3978bb6a20083cylavic '\x01', /* Alert.level = warning (1) */

a742cbb3e85669473b3233f30e3978bb6a20083cylavic '\x00' /* Alert.description = close_notify (0) */

a742cbb3e85669473b3233f30e3978bb6a20083cylavic };

a742cbb3e85669473b3233f30e3978bb6a20083cylavic data = (const char *)tls10_close_notify;

a742cbb3e85669473b3233f30e3978bb6a20083cylavic len = sizeof(tls10_close_notify);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic }

a742cbb3e85669473b3233f30e3978bb6a20083cylavic else /* ... XXX other request types here? */ {

a742cbb3e85669473b3233f30e3978bb6a20083cylavic /* Create an HTTP request string. We include a User-Agent so

a742cbb3e85669473b3233f30e3978bb6a20083cylavic data = apr_pstrcat(p, "OPTIONS * HTTP/1.0\r\nUser-Agent: ",

a742cbb3e85669473b3233f30e3978bb6a20083cylavic ap_get_server_description(),

a742cbb3e85669473b3233f30e3978bb6a20083cylavic " (internal dummy connection)\r\n\r\n", NULL);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic len = strlen(data);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic }

a742cbb3e85669473b3233f30e3978bb6a20083cylavic

a742cbb3e85669473b3233f30e3978bb6a20083cylavic apr_socket_send(sock, data, &len);

a742cbb3e85669473b3233f30e3978bb6a20083cylavic apr_socket_close(sock);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_pool_destroy(p);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wroweAP_DECLARE(apr_status_t) ap_mpm_pod_signal(ap_pod_t *pod)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = pod_signal_internal(pod);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return dummy_connection(pod);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowevoid ap_mpm_pod_killpg(ap_pod_t *pod, int num)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int i;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv = APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* we don't write anything to the pod here... we assume

7f6bfe455bd605a6401d2fcc9423972a24266b16jim /* Recall: we only worry about IDLE child processes here */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe for (i = 0; i < num && rv == APR_SUCCESS; i++) {

7f6bfe455bd605a6401d2fcc9423972a24266b16jim if (ap_scoreboard_image->servers[i][0].status != SERVER_READY ||

7f6bfe455bd605a6401d2fcc9423972a24266b16jim ap_scoreboard_image->servers[i][0].pid == 0) {

7f6bfe455bd605a6401d2fcc9423972a24266b16jim continue;

7f6bfe455bd605a6401d2fcc9423972a24266b16jim }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = dummy_connection(pod);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

0e67059cefafb553d274f83e1cbd182878623d57mturkstatic const char *dash_k_arg = NULL;

b761a57b4e63006c287823270876ab40d3212160covenerstatic const char *dash_k_arg_noarg = "noarg";

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic int send_signal(pid_t pid, int sig)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (kill(pid, sig) < 0) {

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_STARTUP, errno, NULL, APLOGNO(00057)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "sending signal to server");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wroweint ap_signal_server(int *exit_status, apr_pool_t *pconf)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe pid_t otherpid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe int running = 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe const char *status;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *exit_status = 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe rv = ap_read_pid(pconf, ap_pid_fname, &otherpid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv != APR_SUCCESS) {

2c2ced9d18f0b065f620b0ead09ba25e955c3cc7sf if (!APR_STATUS_IS_ENOENT(rv)) {

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_STARTUP, rv, NULL, APLOGNO(00058)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "Error retrieving pid file %s", ap_pid_fname);

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL, APLOGNO(00059)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "Remove it before continuing if it is corrupted.");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *exit_status = 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe status = "httpd (no pid file) not running";

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (kill(otherpid, 0) == 0) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe running = 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe status = apr_psprintf(pconf,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "httpd (pid %" APR_PID_T_FMT ") already "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "running", otherpid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe status = apr_psprintf(pconf,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "httpd (pid %" APR_PID_T_FMT "?) not running",

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe otherpid);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

b761a57b4e63006c287823270876ab40d3212160covener if (!strcmp(dash_k_arg, "start") || dash_k_arg == dash_k_arg_noarg) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (running) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe printf("%s\n", status);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!strcmp(dash_k_arg, "stop")) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!running) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe printf("%s\n", status);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe send_signal(otherpid, SIGTERM);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!strcmp(dash_k_arg, "restart")) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!running) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe printf("httpd not running, trying to start\n");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *exit_status = send_signal(otherpid, SIGHUP);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!strcmp(dash_k_arg, "graceful")) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!running) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe printf("httpd not running, trying to start\n");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *exit_status = send_signal(otherpid, AP_SIG_GRACEFUL);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!strcmp(dash_k_arg, "graceful-stop")) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!running) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe printf("%s\n", status);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *exit_status = send_signal(otherpid, AP_SIG_GRACEFUL_STOP);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowevoid ap_mpm_rewrite_args(process_rec *process)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_array_header_t *mpm_new_argv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_status_t rv;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_getopt_t *opt;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe char optbuf[3];

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe const char *optarg;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe mpm_new_argv = apr_array_make(process->pool, process->argc,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sizeof(const char **));

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *(const char **)apr_array_push(mpm_new_argv) = process->argv[0];

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_getopt_init(&opt, process->pool, process->argc, process->argv);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe opt->errfn = NULL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe optbuf[0] = '-';

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* option char returned by apr_getopt() will be stored in optbuf[1] */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe optbuf[2] = '\0';

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe while ((rv = apr_getopt(opt, "k:" AP_SERVER_BASEARGS,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe optbuf + 1, &optarg)) == APR_SUCCESS) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe switch(optbuf[1]) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe case 'k':

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!dash_k_arg) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (!strcmp(optarg, "start") || !strcmp(optarg, "stop") ||

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe !strcmp(optarg, "restart") || !strcmp(optarg, "graceful") ||

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe !strcmp(optarg, "graceful-stop")) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe dash_k_arg = optarg;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe break;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe default:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *(const char **)apr_array_push(mpm_new_argv) =

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_pstrdup(process->pool, optbuf);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (optarg) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *(const char **)apr_array_push(mpm_new_argv) = optarg;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* back up to capture the bad argument */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (rv == APR_BADCH || rv == APR_BADARG) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe opt->ind--;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe while (opt->ind < opt->argc) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe *(const char **)apr_array_push(mpm_new_argv) =

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_pstrdup(process->pool, opt->argv[opt->ind++]);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe process->argc = mpm_new_argv->nelts;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe process->argv = (const char * const *)mpm_new_argv->elts;

5bfaaf573bacb45c1cf290ce85ecc676587e8a64jim

5bfaaf573bacb45c1cf290ce85ecc676587e8a64jim if (NULL == dash_k_arg) {

b761a57b4e63006c287823270876ab40d3212160covener dash_k_arg = dash_k_arg_noarg;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

b761a57b4e63006c287823270876ab40d3212160covener

b761a57b4e63006c287823270876ab40d3212160covener APR_REGISTER_OPTIONAL_FN(ap_signal_server);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic pid_t parent_pid, my_pid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic apr_pool_t *pconf;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#if AP_ENABLE_EXCEPTION_HOOK

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic int exception_hook_enabled;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wroweconst char *ap_mpm_set_exception_hook(cmd_parms *cmd, void *dummy,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe const char *arg)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (err != NULL) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return err;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (cmd->server->is_virtual) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return "EnableExceptionHook directive not allowed in <VirtualHost>";

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (strcasecmp(arg, "on") == 0) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe exception_hook_enabled = 1;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else if (strcasecmp(arg, "off") == 0) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe exception_hook_enabled = 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe else {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return "parameter must be 'on' or 'off'";

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return NULL;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic void run_fatal_exception_hook(int sig)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_exception_info_t ei = {0};

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (exception_hook_enabled &&

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe geteuid() != 0 &&

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe my_pid != parent_pid) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ei.sig = sig;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ei.pid = my_pid;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_run_fatal_exception(&ei);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* AP_ENABLE_EXCEPTION_HOOK */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowestatic void sig_coredump(int sig)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_filepath_set(ap_coredump_dir, pconf);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(sig, SIG_DFL);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#if AP_ENABLE_EXCEPTION_HOOK

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe run_fatal_exception_hook(sig);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* linuxthreads issue calling getpid() here:

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (getpid() == parent_pid) {

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe ap_log_error(APLOG_MARK, APLOG_NOTICE,

185aa71728867671e105178b4c66fbc22b65ae26sf 0, ap_server_conf, APLOGNO(00060)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "seg fault or similar nasty error detected "

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe "in the parent process");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* XXX we can probably add some rudimentary cleanup code here,

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe }

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe kill(getpid(), sig);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe /* At this point we've got sig blocked, because we're still inside

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(apr_status_t) ap_fatal_signal_child_setup(server_rec *s)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe my_pid = getpid();

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

2ba1586475aa4ec972ca7c19b06d53bf76f0ee7efuankgAP_DECLARE(apr_status_t) ap_fatal_signal_setup(server_rec *s,

b9c7c55b3a937fa1c72239003635a321e3ef4445rpluem apr_pool_t *in_pconf)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe{

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifndef NO_USE_SIGACTION

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe struct sigaction sa;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sigemptyset(&sa.sa_mask);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#if defined(SA_ONESHOT)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sa.sa_flags = SA_ONESHOT;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#elif defined(SA_RESETHAND)

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sa.sa_flags = SA_RESETHAND;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#else

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sa.sa_flags = 0;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe sa.sa_handler = sig_coredump;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (sigaction(SIGSEGV, &sa, NULL) < 0)

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, errno, s, APLOGNO(00061) "sigaction(SIGSEGV)");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGBUS

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (sigaction(SIGBUS, &sa, NULL) < 0)

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, errno, s, APLOGNO(00062) "sigaction(SIGBUS)");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGABORT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (sigaction(SIGABORT, &sa, NULL) < 0)

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, errno, s, APLOGNO(00063) "sigaction(SIGABORT)");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGABRT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (sigaction(SIGABRT, &sa, NULL) < 0)

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, errno, s, APLOGNO(00064) "sigaction(SIGABRT)");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGILL

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (sigaction(SIGILL, &sa, NULL) < 0)

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, errno, s, APLOGNO(00065) "sigaction(SIGILL)");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGFPE

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe if (sigaction(SIGFPE, &sa, NULL) < 0)

185aa71728867671e105178b4c66fbc22b65ae26sf ap_log_error(APLOG_MARK, APLOG_WARNING, errno, s, APLOGNO(00066) "sigaction(SIGFPE)");

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#else /* NO_USE_SIGACTION */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(SIGSEGV, sig_coredump);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGBUS

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(SIGBUS, sig_coredump);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* SIGBUS */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGABORT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(SIGABORT, sig_coredump);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* SIGABORT */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGABRT

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(SIGABRT, sig_coredump);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* SIGABRT */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGILL

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(SIGILL, sig_coredump);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* SIGILL */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#ifdef SIGFPE

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe apr_signal(SIGFPE, sig_coredump);

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* SIGFPE */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe#endif /* NO_USE_SIGACTION */

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

b9c7c55b3a937fa1c72239003635a321e3ef4445rpluem pconf = in_pconf;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe parent_pid = my_pid = getpid();

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe return APR_SUCCESS;

a1a4e55fb7678118a8334019c18509c248b0c0b3wrowe}

31eeb74b832eea054c7a42081c1afdeccd987e5etrawick

31eeb74b832eea054c7a42081c1afdeccd987e5etrawick#endif /* WIN32 */