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-rw-r--r--src/nxt_thread_pool.c55
1 files changed, 22 insertions, 33 deletions
diff --git a/src/nxt_thread_pool.c b/src/nxt_thread_pool.c
index 463bfad4..fd7246c8 100644
--- a/src/nxt_thread_pool.c
+++ b/src/nxt_thread_pool.c
@@ -38,8 +38,7 @@ nxt_thread_pool_create(nxt_uint_t max_threads, nxt_nsec_t timeout,
nxt_int_t
-nxt_thread_pool_post(nxt_thread_pool_t *tp, nxt_work_handler_t handler,
- nxt_task_t *task, void *obj, void *data)
+nxt_thread_pool_post(nxt_thread_pool_t *tp, nxt_work_t *work)
{
nxt_thread_log_debug("thread pool post");
@@ -47,7 +46,7 @@ nxt_thread_pool_post(nxt_thread_pool_t *tp, nxt_work_handler_t handler,
return NXT_ERROR;
}
- nxt_locked_work_queue_add(&tp->work_queue, handler, task, obj, data);
+ nxt_locked_work_queue_add(&tp->work_queue, work);
(void) nxt_sem_post(&tp->sem);
@@ -66,6 +65,11 @@ nxt_thread_pool_init(nxt_thread_pool_t *tp)
return NXT_OK;
}
+ if (tp->max_threads == 0) {
+ /* The pool is being destroyed. */
+ return NXT_ERROR;
+ }
+
nxt_thread_spin_lock(&tp->work_queue.lock);
ret = NXT_OK;
@@ -78,8 +82,6 @@ nxt_thread_pool_init(nxt_thread_pool_t *tp)
if (nxt_fast_path(nxt_sem_init(&tp->sem, 0) == NXT_OK)) {
- nxt_locked_work_queue_create(&tp->work_queue, 0);
-
link = nxt_malloc(sizeof(nxt_thread_link_t));
if (nxt_fast_path(link != NULL)) {
@@ -102,8 +104,6 @@ nxt_thread_pool_init(nxt_thread_pool_t *tp)
(void) nxt_atomic_fetch_add(&tp->threads, -1);
- nxt_locked_work_queue_destroy(&tp->work_queue);
-
ret = NXT_ERROR;
}
@@ -142,8 +142,6 @@ nxt_thread_pool_start(void *ctx)
tp->init();
}
- nxt_thread_work_queue_create(thr, 8);
-
for ( ;; ) {
nxt_thread_pool_wait(tp);
@@ -152,18 +150,8 @@ nxt_thread_pool_start(void *ctx)
if (nxt_fast_path(handler != NULL)) {
task->thread = thr;
- nxt_log_debug(thr->log, "locked work queue");
- handler(task, obj, data);
- }
- for ( ;; ) {
- thr->log = &nxt_main_log;
-
- handler = nxt_thread_work_queue_pop(thr, &task, &obj, &data);
-
- if (handler == NULL) {
- break;
- }
+ nxt_log_debug(thr->log, "locked work queue");
handler(task, obj, data);
}
@@ -245,8 +233,8 @@ nxt_thread_pool_destroy(nxt_thread_pool_t *tp)
thr = nxt_thread();
if (!tp->ready) {
- nxt_thread_work_queue_add(thr, &thr->work_queue.main, tp->exit,
- &tp->task, tp, NULL);
+ nxt_work_queue_add(&thr->engine->fast_work_queue, tp->exit,
+ &tp->task, tp, NULL);
return;
}
@@ -254,7 +242,9 @@ nxt_thread_pool_destroy(nxt_thread_pool_t *tp)
/* Disable new threads creation and mark a pool as being destroyed. */
tp->max_threads = 0;
- nxt_thread_pool_post(tp, nxt_thread_pool_exit, &tp->task, tp, NULL);
+ nxt_work_set(&tp->work, nxt_thread_pool_exit, &tp->task, tp, NULL);
+
+ nxt_thread_pool_post(tp, &tp->work);
}
}
@@ -293,24 +283,23 @@ nxt_thread_pool_exit(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "thread pool threads: %A", threads);
if (threads > 1) {
- nxt_thread_pool_post(tp, nxt_thread_pool_exit, &tp->task, tp,
- (void *) (uintptr_t) thread->handle);
+ nxt_work_set(&tp->work, nxt_thread_pool_exit, &tp->task, tp,
+ (void *) (uintptr_t) thread->handle);
+
+ nxt_thread_pool_post(tp, &tp->work);
} else {
nxt_debug(task, "thread pool destroy");
- nxt_event_engine_post(tp->engine, tp->exit, &tp->task, tp,
- (void *) (uintptr_t) thread->handle,
- &nxt_main_log);
-
nxt_sem_destroy(&tp->sem);
- nxt_locked_work_queue_destroy(&tp->work_queue);
+ nxt_work_set(&tp->work, nxt_thread_pool_exit, &tp->task, tp,
+ (void *) (uintptr_t) thread->handle);
- nxt_free(tp);
- }
+ nxt_event_engine_post(tp->engine, &tp->work);
- nxt_thread_work_queue_destroy(thread);
+ /* The "tp" memory should be freed by tp->exit handler. */
+ }
nxt_thread_exit(thread);