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sema: deactivate interrupts for queue manipulation

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Martine Lenders 2015-11-24 09:43:04 +01:00 committed by Martine Lenders
parent 77547dd399
commit db01af3502
1 changed files with 2 additions and 1 deletions
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3
sys/sema/sema.c
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@ -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;
}