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-rw-r--r--src/event/ngx_event_mutex.c67
1 files changed, 59 insertions, 8 deletions
diff --git a/src/event/ngx_event_mutex.c b/src/event/ngx_event_mutex.c
index 5a9542b06..9f1868f78 100644
--- a/src/event/ngx_event_mutex.c
+++ b/src/event/ngx_event_mutex.c
@@ -1,14 +1,65 @@
-spinlock_max depend on CPU number and mutex type.
- 1 CPU 1
- ngx_malloc_mutex 1000 ?
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_event.h>
-int ngx_event_mutex_trylock(ngx_mutex_t *mtx)
+ngx_int_t ngx_event_mutex_timedlock(ngx_event_mutex_t *m, ngx_msec_t timer,
+ ngx_event_t *ev)
{
- for(i = mtx->spinlock_max; i; i--)
- if (trylock(mtx->lock))
- return 1;
+ ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
+ "lock event mutex " PTR_FMT " lock:%X", m, m->lock);
- return 0;
+ if (m->lock) {
+
+ if (m->events == NULL) {
+ m->events = ev;
+
+ } else {
+ m->last->next = ev;
+ }
+
+ m->last = ev;
+ ev->next = NULL;
+
+#if (NGX_THREADS)
+ ev->light = 1;
+#endif
+
+ ngx_add_timer(ev, timer);
+
+ return NGX_AGAIN;
+ }
+
+ m->lock = 1;
+
+ return NGX_OK;
+}
+
+
+ngx_int_t ngx_event_mutex_unlock(ngx_event_mutex_t *m, ngx_log_t *log)
+{
+ ngx_event_t *ev;
+
+ if (m->lock == 0) {
+ ngx_log_error(NGX_LOG_ALERT, log, 0,
+ "tring to unlock the free event mutex " PTR_FMT, m);
+ return NGX_ERROR;
+ }
+
+ ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0,
+ "unlock event mutex " PTR_FMT ", next event: " PTR_FMT,
+ m, m->events);
+
+ m->lock = 0;
+
+ if (m->events) {
+ ev = m->events;
+ m->events = ev->next;
+
+ ev->next = (ngx_event_t *) ngx_posted_events;
+ ngx_posted_events = ev;
+ }
+
+ return NGX_OK;
}