sema: deactivate interrupts for queue manipulation

8 years ago · db01af3502
parent 77547dd399
commit db01af3502
1 changed files with 2 additions and 1 deletions
--- a/sys/sema/sema.c
+++ b/sys/sema/sema.c
@ -102,11 +102,12 @@ int sema_wait_timed_msg(sema_t *sema, uint64_t timeout, msg_t *msg)

        restoreIRQ(old_state);
        msg_receive(msg);
-
+        old_state = disableIRQ();
        if (timeout != 0) {
            xtimer_remove(&timeout_timer);
        }
        priority_queue_remove(&sema->queue, &n);
+        restoreIRQ(old_state);
        if (msg->content.ptr != (void *)sema) {
            return -EAGAIN;
        }