libretro/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch.git synced 2024-11-24 00:20:01 +00:00
Code Issues Actions 23 Packages Projects Releases Wiki Activity

task queue: Fix multi-threading issues in threaded worker

Browse Source
This commit is contained in:
Sebastien Ronsse 2016-05-05 09:41:30 +10:00
parent d3c3d20994
commit cc4b5dbf35
1 changed files with 22 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
libretro-common/queues/task_queue.c
View File

@ -321,24 +321,17 @@ static void threaded_worker(void *userdata)
for (;;)
{
retro_task_t *queue = NULL;
retro_task_t *task = NULL;
retro_task_t *next = NULL;
/* pop all into a local queue,
* tasks are in the reverse order here. */
slock_lock(running_lock);
if (!worker_continue)
break; /* should we keep running until all tasks finished? */
while ((task = task_queue_get(&tasks_running)) != NULL)
{
task->next = queue;
queue = task;
}
slock_lock(running_lock);
if (queue == NULL) /* no tasks running, lets wait a bit */
/* Get first task to run */
task = tasks_running.front;
if (task == NULL)
{
scond_wait(worker_cond, running_lock);
slock_unlock(running_lock);
@ -347,21 +340,26 @@ static void threaded_worker(void *userdata)
slock_unlock(running_lock);
for (task = queue; task; task = next)
{
next = task->next;
task->handler(task);
task->handler(task);
if (task->finished)
{
slock_lock(finished_lock);
task_queue_put(&tasks_finished, task);
slock_unlock(finished_lock);
}
else
retro_task_threaded_push_running(task);
slock_lock(running_lock);
task_queue_remove(&tasks_running, task);
slock_unlock(running_lock);
/* Update queue */
if (!task->finished)
{
/* Re-add task to running queue */
retro_task_threaded_push_running(task);
}
else
{
/* Add task to finished queue */
slock_lock(finished_lock);
task_queue_put(&tasks_finished, task);
slock_unlock(finished_lock);
}
retro_sleep(10);
}