From db01af35020403053cc0d124670033f61a04aaf2 Mon Sep 17 00:00:00 2001
From: Martine Lenders <mail@martine-lenders.eu>
Date: Tue, 24 Nov 2015 09:43:04 +0100
Subject: [PATCH] sema: deactivate interrupts for queue manipulation
---
sys/sema/sema.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sys/sema/sema.c b/sys/sema/sema.c
index 53962a1e72..b9ae892a97 100644
--- 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;
}
--
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