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core:mutex: allow idle thread to use mutexes

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This commit is contained in:
René Kijewski 2014-03-05 01:51:33 +01:00
parent d1a9ed2977
commit 114eedd764
1 changed files with 2 additions and 2 deletions
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4
core/mutex.c
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@ -45,7 +45,7 @@ int mutex_init(struct mutex_t *mutex)
int mutex_trylock(struct mutex_t *mutex)
{
DEBUG("%s: trylocking to get mutex. val: %u\n", active_thread->name, mutex->val);
return (atomic_set_return(&mutex->val, thread_pid) == 0);
return (atomic_set_return(&mutex->val, 1) == 0);
}
int prio(void)
@ -72,7 +72,7 @@ void mutex_wait(struct mutex_t *mutex)
if (mutex->val == 0) {
/* somebody released the mutex. return. */
mutex->val = thread_pid;
mutex->val = 1;
DEBUG("%s: mutex_wait early out. %u\n", active_thread->name, mutex->val);
restoreIRQ(irqstate);
return;