MINOR: task: put barriers after each write to curr_task
This one may be watched by signal handlers, we don't want the compiler
to optimize its assignment away at the end of the loop and leave some
wandering pointers there.
diff --git a/src/task.c b/src/task.c
index 0e5419d..afdd2b8 100644
--- a/src/task.c
+++ b/src/task.c
@@ -385,6 +385,7 @@
}
curr_task = (struct task *)t;
+ __ha_barrier_store();
if (likely(process == process_stream))
t = process_stream(t, ctx, state);
else if (process != NULL)
@@ -392,6 +393,7 @@
else {
__task_free(t);
curr_task = NULL;
+ __ha_barrier_store();
/* We don't want max_processed to be decremented if
* we're just freeing a destroyed task, we should only
* do so if we really ran a task.
@@ -399,6 +401,7 @@
continue;
}
curr_task = NULL;
+ __ha_barrier_store();
/* If there is a pending state we have to wake up the task
* immediately, else we defer it into wait queue
*/