BUG/MEDIUM: tasks: Don't insert in the global rqueue if nbthread == 1

Make sure we don't insert a task in the global run queue if nbthread == 1,
as, as an optimisation, we avoid reading from it if nbthread == 1.

diff --git a/src/task.c b/src/task.c
index de097ba..e357bc1 100644 (file)
--- a/src/task.c
+++ b/src/task.c
@@ -395,7 +395,8 @@ void process_runnable_tasks()
                        state = HA_ATOMIC_AND(&t->state, ~TASK_RUNNING);
                        if (state)
 #ifdef USE_THREAD
-                               __task_wakeup(t, (t->thread_mask == tid_bit) ?
+                               __task_wakeup(t, (t->thread_mask == tid_bit ||
+                                   global.nbthread == 1) ?
                                    &rqueue_local[tid] : &rqueue);
 #else
                                __task_wakeup(t, &rqueue_local[tid]);