perf: Only wake up one worker thread when a task has been popped

diff --git a/src/ccache/util/threadpool.cpp b/src/ccache/util/threadpool.cpp
index bffe5ae9224bb37efa4358520884ce26c89f93ec..0e579f8f686b5be1a05bc4d1056d95ae553c3082 100644 (file)
--- a/src/ccache/util/threadpool.cpp
+++ b/src/ccache/util/threadpool.cpp
@@ -87,7 +87,7 @@ ThreadPool::worker_thread_main()
       m_task_queue.pop();
     }
 
-    m_task_popped_condition.notify_all();
+    m_task_popped_condition.notify_one();
     try {
       task();
     } catch (...) {