mirror of
https://github.com/nginx/nginx.git
synced 2025-01-22 22:33:15 -06:00
c2068d08f0
*) Change: the "bl" and "af" parameters of the "listen" directive was
renamed to the "backlog" and "accept_filter".
*) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen"
directive.
*) Change: the "$msec" log parameter does not require now the
additional the gettimeofday() system call.
*) Feature: the -t switch now tests the "listen" directives.
*) Bugfix: if the invalid address was specified in the "listen"
directive, then after the -HUP signal nginx left an open socket in
the CLOSED state.
*) Bugfix: the mime type may be incorrectly set to default value for
index file with variable in the name; the bug had appeared in 0.3.0.
*) Feature: the "timer_resolution" directive.
*) Feature: the millisecond "$upstream_response_time" log parameter.
*) Bugfix: a temporary file with client request body now is removed
just after the response header was transferred to a client.
*) Bugfix: OpenSSL 0.9.6 compatibility.
*) Bugfix: the SSL certificate and key file paths could not be relative.
*) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in
the ngx_imap_ssl_module.
*) Bugfix: the "ssl_protocols" directive allowed to specify the single
protocol only.
154 lines
3.4 KiB
C
154 lines
3.4 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_event.h>
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#if (NGX_THREADS)
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ngx_mutex_t *ngx_event_timer_mutex;
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#endif
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ngx_thread_volatile ngx_rbtree_t ngx_event_timer_rbtree;
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static ngx_rbtree_node_t ngx_event_timer_sentinel;
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ngx_int_t
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ngx_event_timer_init(ngx_log_t *log)
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{
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ngx_event_timer_rbtree.root = &ngx_event_timer_sentinel;
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ngx_event_timer_rbtree.sentinel = &ngx_event_timer_sentinel;
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#if (NGX_THREADS)
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if (ngx_event_timer_mutex) {
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ngx_event_timer_mutex->log = log;
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return NGX_OK;
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}
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ngx_event_timer_mutex = ngx_mutex_init(log, 0);
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if (ngx_event_timer_mutex == NULL) {
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return NGX_ERROR;
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}
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#endif
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return NGX_OK;
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}
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ngx_msec_t
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ngx_event_find_timer(void)
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{
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ngx_msec_int_t timer;
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ngx_rbtree_node_t *node, *root, *sentinel;
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if (ngx_event_timer_rbtree.root == &ngx_event_timer_sentinel) {
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return NGX_TIMER_INFINITE;
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}
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ngx_mutex_lock(ngx_event_timer_mutex);
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root = ngx_event_timer_rbtree.root;
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sentinel = ngx_event_timer_rbtree.sentinel;
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node = ngx_rbtree_min(root, sentinel);
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ngx_mutex_unlock(ngx_event_timer_mutex);
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timer = (ngx_msec_int_t) node->key - (ngx_msec_int_t) ngx_current_msec;
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return (ngx_msec_t) (timer > 0 ? timer : 0);
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}
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void
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ngx_event_expire_timers(void)
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{
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ngx_event_t *ev;
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ngx_rbtree_node_t *node, *root, *sentinel;
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sentinel = ngx_event_timer_rbtree.sentinel;
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for ( ;; ) {
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ngx_mutex_lock(ngx_event_timer_mutex);
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root = ngx_event_timer_rbtree.root;
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if (root == sentinel) {
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return;
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}
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node = ngx_rbtree_min(root, sentinel);
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/* node->key <= ngx_current_time */
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if ((ngx_msec_int_t) node->key - (ngx_msec_int_t) ngx_current_msec <= 0)
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{
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ev = (ngx_event_t *) ((char *) node - offsetof(ngx_event_t, timer));
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#if (NGX_THREADS)
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if (ngx_threaded && ngx_trylock(ev->lock) == 0) {
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/*
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* We can not change the timer of the event that is been
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* handling by another thread. And we can not easy walk
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* the rbtree to find a next expired timer so we exit the loop.
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* However it should be rare case when the event that is
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* been handling has expired timer.
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*/
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ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"event %p is busy in expire timers", ev);
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break;
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}
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#endif
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ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
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"event timer del: %d: %M",
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ngx_event_ident(ev->data), ev->timer.key);
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ngx_rbtree_delete(&ngx_event_timer_rbtree, &ev->timer);
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ngx_mutex_unlock(ngx_event_timer_mutex);
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#if (NGX_DEBUG)
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ev->timer.left = NULL;
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ev->timer.right = NULL;
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ev->timer.parent = NULL;
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#endif
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ev->timer_set = 0;
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#if (NGX_THREADS)
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if (ngx_threaded) {
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ev->posted_timedout = 1;
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ngx_post_event(ev, &ngx_posted_events);
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ngx_unlock(ev->lock);
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continue;
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}
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#endif
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ev->timedout = 1;
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ev->handler(ev);
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continue;
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}
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break;
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}
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ngx_mutex_unlock(ngx_event_timer_mutex);
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}
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