diff options
Diffstat (limited to 'sem_getvalue.c')
| -rw-r--r-- | sem_getvalue.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sem_getvalue.c b/sem_getvalue.c index 9d37c38..4e0402f 100644 --- a/sem_getvalue.c +++ b/sem_getvalue.c @@ -84,10 +84,13 @@ sem_getvalue(sem_t * sem, int * sval) } else { - + register sem_t s = *sem; + #ifdef NEED_SEM - result = ENOSYS; + EnterCriticalSection(&s->sem_lock_cs); + value = s->value; + LeaveCriticalSection(&s->sem_lock_cs); #else @@ -121,7 +124,7 @@ sem_getvalue(sem_t * sem, int * sval) * decrement/increment it inside of sem_wait() and sem_post() * etc using the Interlocked* functions. */ - if ( WaitForSingleObject( (*sem)->sem, 0 ) == WAIT_TIMEOUT ) + if ( WaitForSingleObject( s->sem, 0 ) == WAIT_TIMEOUT ) { /* Failed - must be zero */ value = 0; @@ -129,7 +132,7 @@ sem_getvalue(sem_t * sem, int * sval) else { /* Decremented semaphore - release it and note the value */ - (void) ReleaseSemaphore( (*sem)->sem, 1L, &value); + (void) ReleaseSemaphore( s->sem, 1L, &value); value++; } |