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fix stubbed-out reboot call
[musl]
/
src
/
thread
/
sem_trywait.c
diff --git
a/src/thread/sem_trywait.c
b/src/thread/sem_trywait.c
index
dd8f57e
..
55d9007
100644
(file)
--- a/
src/thread/sem_trywait.c
+++ b/
src/thread/sem_trywait.c
@@
-4,7
+4,10
@@
int sem_trywait(sem_t *sem)
{
int val = sem->__val[0];
int sem_trywait(sem_t *sem)
{
int val = sem->__val[0];
- if (val>0 && a_cas(sem->__val, val, val-1)==val) return 0;
+ if (val>0) {
+ int new = val-1-(val==1 && sem->__val[1]);
+ if (a_cas(sem->__val, val, new)==val) return 0;
+ }
errno = EAGAIN;
return -1;
}
errno = EAGAIN;
return -1;
}