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Fix semaphore posting

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This commit is contained in:
gingerBill
2019-09-03 21:17:46 +01:00
parent 1af143b749
commit c92b2e9612
1 changed files with 10 additions and 3 deletions
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src/thread_pool.cpp
+10 -3
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@@ -124,15 +124,14 @@ void thread_pool_add_task(ThreadPool *pool, WorkerTaskProc *proc, void *data) {
pool->tasks[pool->task_count++] = task; pool->tasks[pool->task_count++] = task;
gb_mutex_unlock(&pool->task_mutex);
gb_semaphore_post(&pool->semaphore, 1); gb_semaphore_post(&pool->semaphore, 1);
gb_mutex_unlock(&pool->task_mutex);
} }
void thread_pool_kick(ThreadPool *pool) { void thread_pool_kick(ThreadPool *pool) {
gb_mutex_lock(&pool->task_mutex); gb_mutex_lock(&pool->task_mutex);
if (pool->task_count > 0) { if (pool->task_count > 0) {
isize count = gb_max(pool->task_count, pool->thread_count); isize count = gb_min(pool->task_count, pool->thread_count);
for (isize i = 0; i < count; i++) { for (isize i = 0; i < count; i++) {
gb_semaphore_post(&pool->semaphore, 1); gb_semaphore_post(&pool->semaphore, 1);
} }
@@ -144,6 +143,14 @@ void thread_pool_kick_and_wait(ThreadPool *pool) {
isize return_value = 0; isize return_value = 0;
while (pool->task_count > 0 || gb_atomic32_load(&pool->processing_work_count) != 0) { while (pool->task_count > 0 || gb_atomic32_load(&pool->processing_work_count) != 0) {
if (pool->task_count > 0 && gb_atomic32_load(&pool->processing_work_count) == 0) {
gb_mutex_lock(&pool->task_mutex);
for (isize i = 0; i < pool->task_count; i++) {
gb_semaphore_post(&pool->semaphore, 1);
}
gb_mutex_unlock(&pool->task_mutex);
}
gb_yield(); gb_yield();
} }