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Merge pull request #1097 from nakst/master

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Thread pool: create threads in thread_pool_wait
This commit is contained in:
Jeroen van Rijn
2021-08-23 11:17:54 +02:00
committed by GitHub
parent 7a00ef1879 9397555c91
commit 7f34080b69
1 changed files with 6 additions and 4 deletions
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src/thread_pool.cpp
+6 -4
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@@ -13,6 +13,7 @@ struct ThreadPool {
std::atomic<isize> outstanding_task_count; std::atomic<isize> outstanding_task_count;
WorkerTask *volatile next_task; WorkerTask *volatile next_task;
BlockingMutex task_list_mutex; BlockingMutex task_list_mutex;
isize thread_count;
}; };
void thread_pool_thread_entry(ThreadPool *pool) { void thread_pool_thread_entry(ThreadPool *pool) {
@@ -62,10 +63,7 @@ void thread_pool_init(ThreadPool *pool, gbAllocator const &a, isize thread_count
memset(pool, 0, sizeof(ThreadPool)); memset(pool, 0, sizeof(ThreadPool));
mutex_init(&pool->task_list_mutex); mutex_init(&pool->task_list_mutex);
pool->outstanding_task_count.store(1); pool->outstanding_task_count.store(1);
pool->thread_count = thread_count;
for (int i = 0; i < thread_count; i++) {
thread_pool_start_thread(pool);
}
} }
void thread_pool_destroy(ThreadPool *pool) { void thread_pool_destroy(ThreadPool *pool) {
@@ -73,6 +71,10 @@ void thread_pool_destroy(ThreadPool *pool) {
} }
void thread_pool_wait(ThreadPool *pool) { void thread_pool_wait(ThreadPool *pool) {
for (int i = 0; i < pool->thread_count; i++) {
thread_pool_start_thread(pool);
}
pool->outstanding_task_count.fetch_sub(1); pool->outstanding_task_count.fetch_sub(1);
thread_pool_thread_entry(pool); thread_pool_thread_entry(pool);
} }