[PATCH] thread-pool: signal condition variable while holding lock

Move qemu_cond_signal() inside the critical section protected by pool->lock.
Signaling while holding the lock imposes more predictable scheduling behavior.

Signed-off-by: Stepan Popov <[email protected]>
---
 util/thread-pool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/thread-pool.c b/util/thread-pool.c
index 8f8cb38d5c..8e55aefd07 100644
--- a/util/thread-pool.c
+++ b/util/thread-pool.c
@@ -265,8 +265,8 @@ BlockAIOCB *thread_pool_submit_aio(ThreadPoolFunc *func, void *arg,
         spawn_thread(pool);
     }
     QTAILQ_INSERT_TAIL(&pool->request_list, req, reqs);
-    qemu_mutex_unlock(&pool->lock);
     qemu_cond_signal(&pool->request_cond);
+    qemu_mutex_unlock(&pool->lock);
     return &req->common;
 }
 
-- 
2.34.1