719 lines
27 KiB
C
719 lines
27 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* Watchdog module.
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*/
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#include "apr.h"
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#include "mod_watchdog.h"
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#include "ap_provider.h"
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#include "ap_mpm.h"
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#include "http_core.h"
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#include "util_mutex.h"
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#include "apr_atomic.h"
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#define AP_WATCHDOG_PGROUP "watchdog"
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#define AP_WATCHDOG_PVERSION "parent"
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#define AP_WATCHDOG_CVERSION "child"
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typedef struct watchdog_list_t watchdog_list_t;
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struct watchdog_list_t
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{
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struct watchdog_list_t *next;
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ap_watchdog_t *wd;
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apr_status_t status;
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apr_interval_time_t interval;
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apr_interval_time_t step;
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const void *data;
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ap_watchdog_callback_fn_t *callback_fn;
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};
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struct ap_watchdog_t
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{
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apr_uint32_t thread_started; /* set to 1 once thread running */
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apr_proc_mutex_t *mutex;
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const char *name;
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watchdog_list_t *callbacks;
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int is_running;
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int singleton;
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int active;
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apr_interval_time_t step;
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apr_thread_t *thread;
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apr_pool_t *pool;
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};
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typedef struct wd_server_conf_t wd_server_conf_t;
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struct wd_server_conf_t
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{
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int child_workers;
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int parent_workers;
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apr_pool_t *pool;
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server_rec *s;
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};
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static wd_server_conf_t *wd_server_conf = NULL;
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static apr_interval_time_t wd_interval = AP_WD_TM_INTERVAL;
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static int mpm_is_forked = AP_MPMQ_NOT_SUPPORTED;
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static const char *wd_proc_mutex_type = "watchdog-callback";
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static apr_status_t wd_worker_cleanup(void *data)
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{
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apr_status_t rv;
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ap_watchdog_t *w = (ap_watchdog_t *)data;
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/* Do nothing if the thread wasn't started. */
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if (apr_atomic_read32(&w->thread_started) != 1)
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return APR_SUCCESS;
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if (w->is_running) {
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watchdog_list_t *wl = w->callbacks;
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while (wl) {
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if (wl->status == APR_SUCCESS) {
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/* Execute watchdog callback with STOPPING state */
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(*wl->callback_fn)(AP_WATCHDOG_STATE_STOPPING,
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(void *)wl->data, w->pool);
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wl->status = APR_EOF;
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}
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wl = wl->next;
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}
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}
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w->is_running = 0;
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apr_thread_join(&rv, w->thread);
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return rv;
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}
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/*--------------------------------------------------------------------------*/
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/* */
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/* Main watchdog worker thread. */
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/* For singleton workers child thread that first obtains the process */
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/* mutex is running. Threads in other child's are locked on mutex. */
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/* */
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/*--------------------------------------------------------------------------*/
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static void* APR_THREAD_FUNC wd_worker(apr_thread_t *thread, void *data)
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{
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ap_watchdog_t *w = (ap_watchdog_t *)data;
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apr_status_t rv;
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int locked = 0;
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int probed = 0;
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int inited = 0;
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int mpmq_s = 0;
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apr_pool_t *temp_pool = NULL;
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w->pool = apr_thread_pool_get(thread);
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w->is_running = 1;
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apr_atomic_set32(&w->thread_started, 1); /* thread started */
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if (w->mutex) {
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while (w->is_running) {
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if (ap_mpm_query(AP_MPMQ_MPM_STATE, &mpmq_s) != APR_SUCCESS) {
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w->is_running = 0;
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break;
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}
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if (mpmq_s == AP_MPMQ_STOPPING) {
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w->is_running = 0;
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break;
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}
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rv = apr_proc_mutex_trylock(w->mutex);
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if (rv == APR_SUCCESS) {
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if (probed) {
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/* Sleep after we were locked
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* up to 1 second. Httpd can be
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* in the middle of shutdown, and
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* our child didn't yet received
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* the shutdown signal.
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*/
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probed = 10;
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while (w->is_running && probed > 0) {
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apr_sleep(AP_WD_TM_INTERVAL);
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probed--;
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if (ap_mpm_query(AP_MPMQ_MPM_STATE, &mpmq_s) != APR_SUCCESS) {
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w->is_running = 0;
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break;
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}
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if (mpmq_s == AP_MPMQ_STOPPING) {
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w->is_running = 0;
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break;
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}
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}
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}
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locked = 1;
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break;
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}
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probed = 1;
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apr_sleep(AP_WD_TM_SLICE);
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}
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}
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apr_pool_create(&temp_pool, w->pool);
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apr_pool_tag(temp_pool, "wd_running");
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if (w->is_running) {
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watchdog_list_t *wl = w->callbacks;
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, wd_server_conf->s,
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APLOGNO(02972) "%sWatchdog (%s) running",
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w->singleton ? "Singleton " : "", w->name);
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apr_time_clock_hires(w->pool);
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if (wl) {
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while (wl && w->is_running) {
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/* Execute watchdog callback */
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wl->status = (*wl->callback_fn)(AP_WATCHDOG_STATE_STARTING,
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(void *)wl->data, temp_pool);
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wl = wl->next;
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}
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apr_pool_clear(temp_pool);
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}
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else {
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ap_run_watchdog_init(wd_server_conf->s, w->name, w->pool);
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inited = 1;
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}
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}
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/* Main execution loop */
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while (w->is_running) {
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apr_time_t curr;
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watchdog_list_t *wl = w->callbacks;
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apr_sleep(AP_WD_TM_SLICE);
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if (ap_mpm_query(AP_MPMQ_MPM_STATE, &mpmq_s) != APR_SUCCESS) {
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w->is_running = 0;
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}
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if (mpmq_s == AP_MPMQ_STOPPING) {
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w->is_running = 0;
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}
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if (!w->is_running) {
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break;
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}
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curr = apr_time_now() - AP_WD_TM_SLICE;
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while (wl && w->is_running) {
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if (wl->status == APR_SUCCESS) {
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wl->step += (apr_time_now() - curr);
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if (wl->step >= wl->interval) {
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wl->step = 0;
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/* Execute watchdog callback */
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wl->status = (*wl->callback_fn)(AP_WATCHDOG_STATE_RUNNING,
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(void *)wl->data, temp_pool);
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if (ap_mpm_query(AP_MPMQ_MPM_STATE, &mpmq_s) != APR_SUCCESS) {
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w->is_running = 0;
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}
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if (mpmq_s == AP_MPMQ_STOPPING) {
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w->is_running = 0;
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}
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}
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}
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wl = wl->next;
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}
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if (w->is_running && w->callbacks == NULL) {
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/* This is hook mode watchdog
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* running on WatchogInterval
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*/
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w->step += (apr_time_now() - curr);
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if (w->step >= wd_interval) {
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w->step = 0;
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/* Run watchdog step hook */
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ap_run_watchdog_step(wd_server_conf->s, w->name, temp_pool);
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}
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}
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apr_pool_clear(temp_pool);
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}
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apr_pool_destroy(temp_pool);
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if (inited) {
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/* Run the watchdog exit hooks.
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* If this was singleton watchdog the init hook
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* might never been called, so skip the exit hook
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* in that case as well.
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*/
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ap_run_watchdog_exit(wd_server_conf->s, w->name, w->pool);
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}
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else {
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watchdog_list_t *wl = w->callbacks;
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while (wl) {
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if (wl->status == APR_SUCCESS) {
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/* Execute watchdog callback with STOPPING state */
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(*wl->callback_fn)(AP_WATCHDOG_STATE_STOPPING,
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(void *)wl->data, w->pool);
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}
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wl = wl->next;
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}
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}
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, wd_server_conf->s,
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APLOGNO(02973) "%sWatchdog (%s) stopping",
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w->singleton ? "Singleton " : "", w->name);
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if (locked)
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apr_proc_mutex_unlock(w->mutex);
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apr_thread_exit(w->thread, APR_SUCCESS);
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return NULL;
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}
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static apr_status_t wd_startup(ap_watchdog_t *w, apr_pool_t *p)
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{
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apr_status_t rc;
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apr_atomic_set32(&w->thread_started, 0);
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if (w->singleton) {
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/* Initialize singleton mutex in child */
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rc = apr_proc_mutex_child_init(&w->mutex,
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apr_proc_mutex_lockfile(w->mutex), p);
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if (rc != APR_SUCCESS)
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return rc;
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}
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/* Start the newly created watchdog */
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rc = ap_thread_create(&w->thread, NULL, wd_worker, w, p);
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if (rc == APR_SUCCESS) {
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apr_pool_pre_cleanup_register(p, w, wd_worker_cleanup);
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}
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return rc;
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}
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static apr_status_t ap_watchdog_get_instance(ap_watchdog_t **watchdog,
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const char *name,
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int parent,
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int singleton,
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apr_pool_t *p)
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{
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ap_watchdog_t *w;
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const char *pver = parent ? AP_WATCHDOG_PVERSION : AP_WATCHDOG_CVERSION;
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if (parent && mpm_is_forked != AP_MPMQ_NOT_SUPPORTED) {
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/* Parent threads are not supported for
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* forked mpm's
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*/
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*watchdog = NULL;
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return APR_ENOTIMPL;
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}
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w = ap_lookup_provider(AP_WATCHDOG_PGROUP, name, pver);
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if (w) {
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*watchdog = w;
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return APR_SUCCESS;
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}
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w = apr_pcalloc(p, sizeof(ap_watchdog_t));
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w->name = name;
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w->pool = p;
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w->singleton = parent ? 0 : singleton;
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*watchdog = w;
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return ap_register_provider(p, AP_WATCHDOG_PGROUP, name,
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pver, *watchdog);
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}
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static apr_status_t ap_watchdog_set_callback_interval(ap_watchdog_t *w,
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apr_interval_time_t interval,
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const void *data,
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ap_watchdog_callback_fn_t *callback)
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{
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watchdog_list_t *c = w->callbacks;
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apr_status_t rv = APR_EOF;
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while (c) {
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if (c->data == data && c->callback_fn == callback) {
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/* We have existing callback.
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* Update the interval and reset status, so the
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* callback and continue execution if stopped earlier.
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*/
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c->interval = interval;
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c->step = 0;
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c->status = APR_SUCCESS;
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rv = APR_SUCCESS;
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break;
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}
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c = c->next;
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}
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return rv;
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}
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static apr_status_t ap_watchdog_register_callback(ap_watchdog_t *w,
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apr_interval_time_t interval,
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const void *data,
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ap_watchdog_callback_fn_t *callback)
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{
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watchdog_list_t *c = w->callbacks;
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while (c) {
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if (c->data == data && c->callback_fn == callback) {
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/* We have already registered callback.
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* Do not allow callbacks that have the same
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* function and data pointers.
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*/
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return APR_EEXIST;
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}
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c = c->next;
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}
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c = apr_palloc(w->pool, sizeof(watchdog_list_t));
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c->data = data;
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c->callback_fn = callback;
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c->interval = interval;
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c->step = 0;
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c->status = APR_EINIT;
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c->wd = w;
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c->next = w->callbacks;
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w->callbacks = c;
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w->active++;
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return APR_SUCCESS;
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}
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/*--------------------------------------------------------------------------*/
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/* */
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/* Pre config hook. */
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/* Create default watchdogs for parent and child */
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/* Parent watchdog executes inside parent process so it doesn't need the */
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/* singleton mutex */
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/* */
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/*--------------------------------------------------------------------------*/
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static int wd_pre_config_hook(apr_pool_t *pconf, apr_pool_t *plog,
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apr_pool_t *ptemp)
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{
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apr_status_t rv;
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ap_watchdog_t *w;
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ap_mpm_query(AP_MPMQ_IS_FORKED, &mpm_is_forked);
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if ((rv = ap_watchdog_get_instance(&w,
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AP_WATCHDOG_SINGLETON, 0, 1, pconf)) != APR_SUCCESS) {
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return rv;
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}
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if ((rv = ap_watchdog_get_instance(&w,
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AP_WATCHDOG_DEFAULT, 0, 0, pconf)) != APR_SUCCESS) {
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return rv;
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}
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if (mpm_is_forked == AP_MPMQ_NOT_SUPPORTED) {
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/* Create parent process watchdog for
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* non forked mpm's only.
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*/
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if ((rv = ap_watchdog_get_instance(&w,
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AP_WATCHDOG_DEFAULT, 1, 0, pconf)) != APR_SUCCESS) {
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return rv;
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}
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}
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if ((rv = ap_mutex_register(pconf, wd_proc_mutex_type, NULL,
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APR_LOCK_DEFAULT, 0)) != APR_SUCCESS) {
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return rv;
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}
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return OK;
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}
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/*--------------------------------------------------------------------------*/
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/* */
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/* Post config hook. */
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/* Create watchdog thread in parent and initializes Watchdog module */
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/* */
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/*--------------------------------------------------------------------------*/
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static int wd_post_config_hook(apr_pool_t *pconf, apr_pool_t *plog,
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apr_pool_t *ptemp, server_rec *s)
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{
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apr_status_t rv;
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const char *pk = "watchdog_init_module_tag";
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apr_pool_t *ppconf = pconf;
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const apr_array_header_t *wl;
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if (ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_PRE_CONFIG)
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/* First time config phase -- skip. */
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return OK;
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apr_pool_userdata_get((void *)&wd_server_conf, pk, ppconf);
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if (!wd_server_conf) {
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if (!(wd_server_conf = apr_pcalloc(ppconf, sizeof(wd_server_conf_t))))
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return APR_ENOMEM;
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apr_pool_create(&wd_server_conf->pool, ppconf);
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apr_pool_tag(wd_server_conf->pool, "wd_server_conf");
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apr_pool_userdata_set(wd_server_conf, pk, apr_pool_cleanup_null, ppconf);
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}
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(010033)
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"Watchdog: Running with WatchdogInterval %"
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APR_TIME_T_FMT "ms", apr_time_as_msec(wd_interval));
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wd_server_conf->s = s;
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if ((wl = ap_list_provider_names(pconf, AP_WATCHDOG_PGROUP,
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AP_WATCHDOG_PVERSION))) {
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const ap_list_provider_names_t *wn;
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int i;
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02974)
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"Watchdog: found parent providers.");
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wn = (ap_list_provider_names_t *)wl->elts;
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for (i = 0; i < wl->nelts; i++) {
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ap_watchdog_t *w = ap_lookup_provider(AP_WATCHDOG_PGROUP,
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wn[i].provider_name,
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AP_WATCHDOG_PVERSION);
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02975)
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"Watchdog: Looking for parent (%s).", wn[i].provider_name);
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if (w) {
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if (!w->active) {
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int status = ap_run_watchdog_need(s, w->name, 1,
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w->singleton);
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if (status == OK) {
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/* One of the modules returned OK to this watchdog.
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* Mark it as active
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*/
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w->active = 1;
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}
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}
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if (w->active) {
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/* We have active watchdog.
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* Create the watchdog thread
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*/
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if ((rv = wd_startup(w, wd_server_conf->pool)) != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s, APLOGNO(01571)
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"Watchdog: Failed to create parent worker thread.");
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return rv;
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}
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ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02976)
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"Watchdog: Created parent worker thread (%s).", w->name);
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wd_server_conf->parent_workers++;
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}
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}
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}
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}
|
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if (wd_server_conf->parent_workers) {
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(01572)
|
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"Spawned %d parent worker threads.",
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wd_server_conf->parent_workers);
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}
|
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if ((wl = ap_list_provider_names(pconf, AP_WATCHDOG_PGROUP,
|
|
AP_WATCHDOG_CVERSION))) {
|
|
const ap_list_provider_names_t *wn;
|
|
int i;
|
|
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02977)
|
|
"Watchdog: found child providers.");
|
|
|
|
wn = (ap_list_provider_names_t *)wl->elts;
|
|
for (i = 0; i < wl->nelts; i++) {
|
|
ap_watchdog_t *w = ap_lookup_provider(AP_WATCHDOG_PGROUP,
|
|
wn[i].provider_name,
|
|
AP_WATCHDOG_CVERSION);
|
|
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(02978)
|
|
"Watchdog: Looking for child (%s).", wn[i].provider_name);
|
|
if (w) {
|
|
if (!w->active) {
|
|
int status = ap_run_watchdog_need(s, w->name, 0,
|
|
w->singleton);
|
|
if (status == OK) {
|
|
/* One of the modules returned OK to this watchdog.
|
|
* Mark it as active
|
|
*/
|
|
w->active = 1;
|
|
}
|
|
}
|
|
if (w->active) {
|
|
/* We have some callbacks registered.
|
|
* Create mutexes for singleton watchdogs
|
|
*/
|
|
if (w->singleton) {
|
|
rv = ap_proc_mutex_create(&w->mutex, NULL, wd_proc_mutex_type,
|
|
w->name, s,
|
|
wd_server_conf->pool, 0);
|
|
if (rv != APR_SUCCESS) {
|
|
ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s, APLOGNO(10095)
|
|
"Watchdog: Failed to create singleton mutex.");
|
|
return rv;
|
|
}
|
|
ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02979)
|
|
"Watchdog: Created singleton mutex (%s).", w->name);
|
|
}
|
|
wd_server_conf->child_workers++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Child init hook. */
|
|
/* Create watchdog threads and initializes Mutexes in child */
|
|
/* */
|
|
/*--------------------------------------------------------------------------*/
|
|
static void wd_child_init_hook(apr_pool_t *p, server_rec *s)
|
|
{
|
|
apr_status_t rv = OK;
|
|
const apr_array_header_t *wl;
|
|
|
|
if (!wd_server_conf->child_workers) {
|
|
/* We don't have anything configured, bail out.
|
|
*/
|
|
ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02980)
|
|
"Watchdog: nothing configured?");
|
|
return;
|
|
}
|
|
if ((wl = ap_list_provider_names(p, AP_WATCHDOG_PGROUP,
|
|
AP_WATCHDOG_CVERSION))) {
|
|
const ap_list_provider_names_t *wn;
|
|
int i;
|
|
wn = (ap_list_provider_names_t *)wl->elts;
|
|
for (i = 0; i < wl->nelts; i++) {
|
|
ap_watchdog_t *w = ap_lookup_provider(AP_WATCHDOG_PGROUP,
|
|
wn[i].provider_name,
|
|
AP_WATCHDOG_CVERSION);
|
|
if (w && w->active) {
|
|
/* We have some callbacks registered.
|
|
* Kick of the watchdog
|
|
*/
|
|
if ((rv = wd_startup(w, wd_server_conf->pool)) != APR_SUCCESS) {
|
|
ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s, APLOGNO(01573)
|
|
"Watchdog: Failed to create child worker thread.");
|
|
/* No point to continue */
|
|
return;
|
|
}
|
|
ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s, APLOGNO(02981)
|
|
"Watchdog: Created child worker thread (%s).", wn[i].provider_name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* WatchdogInterval directive */
|
|
/* */
|
|
/*--------------------------------------------------------------------------*/
|
|
static const char *wd_cmd_watchdog_int(cmd_parms *cmd, void *dummy,
|
|
const char *arg)
|
|
{
|
|
apr_status_t rv;
|
|
const char *errs = ap_check_cmd_context(cmd, GLOBAL_ONLY);
|
|
|
|
if (errs != NULL)
|
|
return errs;
|
|
rv = ap_timeout_parameter_parse(arg, &wd_interval, "s");
|
|
|
|
if (rv != APR_SUCCESS)
|
|
return "Unparse-able WatchdogInterval setting";
|
|
if (wd_interval < AP_WD_TM_SLICE) {
|
|
return apr_psprintf(cmd->pool, "Invalid WatchdogInterval: minimal value %"
|
|
APR_TIME_T_FMT "ms", apr_time_as_msec(AP_WD_TM_SLICE));
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* List of directives specific to our module. */
|
|
/* */
|
|
/*--------------------------------------------------------------------------*/
|
|
static const command_rec wd_directives[] =
|
|
{
|
|
AP_INIT_TAKE1(
|
|
"WatchdogInterval", /* directive name */
|
|
wd_cmd_watchdog_int, /* config action routine */
|
|
NULL, /* argument to include in call */
|
|
RSRC_CONF, /* where available */
|
|
"Watchdog interval in seconds"
|
|
),
|
|
{NULL}
|
|
};
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Which functions are responsible for which hooks in the server. */
|
|
/* */
|
|
/*--------------------------------------------------------------------------*/
|
|
static void wd_register_hooks(apr_pool_t *p)
|
|
{
|
|
|
|
/* Only the mpm_winnt has child init hook handler.
|
|
* Make sure that we are called after the mpm child init handler
|
|
* initializes.
|
|
*/
|
|
static const char *const after_mpm[] = { "mpm_winnt.c", NULL};
|
|
|
|
/* Pre config handling
|
|
*/
|
|
ap_hook_pre_config(wd_pre_config_hook,
|
|
NULL,
|
|
NULL,
|
|
APR_HOOK_FIRST);
|
|
|
|
/* Post config handling
|
|
*/
|
|
ap_hook_post_config(wd_post_config_hook,
|
|
NULL,
|
|
NULL,
|
|
APR_HOOK_LAST);
|
|
|
|
/* Child init hook
|
|
*/
|
|
ap_hook_child_init(wd_child_init_hook,
|
|
after_mpm,
|
|
NULL,
|
|
APR_HOOK_MIDDLE);
|
|
|
|
APR_REGISTER_OPTIONAL_FN(ap_watchdog_get_instance);
|
|
APR_REGISTER_OPTIONAL_FN(ap_watchdog_register_callback);
|
|
APR_REGISTER_OPTIONAL_FN(ap_watchdog_set_callback_interval);
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* The list of callback routines and data structures that provide */
|
|
/* the static hooks into our module from the other parts of the server. */
|
|
/* */
|
|
/*--------------------------------------------------------------------------*/
|
|
AP_DECLARE_MODULE(watchdog) = {
|
|
STANDARD20_MODULE_STUFF,
|
|
NULL, /* create per-directory config structure */
|
|
NULL, /* merge per-directory config structures */
|
|
NULL, /* create per-server config structure */
|
|
NULL, /* merge per-server config structures */
|
|
wd_directives, /* command apr_table_t */
|
|
wd_register_hooks /* register hooks */
|
|
};
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* The list of optional hooks that we provide */
|
|
/* */
|
|
/*--------------------------------------------------------------------------*/
|
|
APR_HOOK_STRUCT(
|
|
APR_HOOK_LINK(watchdog_need)
|
|
APR_HOOK_LINK(watchdog_init)
|
|
APR_HOOK_LINK(watchdog_exit)
|
|
APR_HOOK_LINK(watchdog_step)
|
|
)
|
|
|
|
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_FIRST(ap, AP_WD, int, watchdog_need,
|
|
(server_rec *s, const char *name,
|
|
int parent, int singleton),
|
|
(s, name, parent, singleton),
|
|
DECLINED)
|
|
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_ALL(ap, AP_WD, int, watchdog_init,
|
|
(server_rec *s, const char *name,
|
|
apr_pool_t *pool),
|
|
(s, name, pool),
|
|
OK, DECLINED)
|
|
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_ALL(ap, AP_WD, int, watchdog_exit,
|
|
(server_rec *s, const char *name,
|
|
apr_pool_t *pool),
|
|
(s, name, pool),
|
|
OK, DECLINED)
|
|
APR_IMPLEMENT_EXTERNAL_HOOK_RUN_ALL(ap, AP_WD, int, watchdog_step,
|
|
(server_rec *s, const char *name,
|
|
apr_pool_t *pool),
|
|
(s, name, pool),
|
|
OK, DECLINED)
|