From: Apple <opensource@apple.com>
Date: Wed, 11 Apr 2001 00:24:42 +0000 (+0000)
Subject: Libc-167.tar.gz
X-Git-Tag: mac-os-x-1001^0
X-Git-Url: https://git.saurik.com/apple/libc.git/commitdiff_plain/3f7af3d89b0bf98436f4e200dbd91b0de6038c0a

Libc-167.tar.gz
---

diff --git a/pthreads.subproj/pthread_cond.c b/pthreads.subproj/pthread_cond.c
index 49e4c36..ae6ef05 100644
--- a/pthreads.subproj/pthread_cond.c
+++ b/pthreads.subproj/pthread_cond.c
@@ -78,7 +78,7 @@ int
 pthread_cond_broadcast(pthread_cond_t *cond)
 {
     kern_return_t kern_res;
-    int res, delta;
+    int res;
     if (cond->sig == _PTHREAD_COND_SIG_init) {
         if ((res = pthread_cond_init(cond, NULL)) != 0) {
             return (res);
@@ -89,17 +89,16 @@ pthread_cond_broadcast(pthread_cond_t *cond)
         return (EINVAL);
     }
     LOCK(cond->lock);
-    delta = cond->waiters - cond->sigspending;
-    if (delta <= 0) {
-        /* Avoid kernel call since there are not enough waiters... */
+    if (cond->sem == MACH_PORT_NULL) {
+        /* Avoid kernel call since there are no waiters... */
         UNLOCK(cond->lock);
         return (ESUCCESS);
     }
-    cond->sigspending += delta;
+    cond->sigspending++;
     UNLOCK(cond->lock);
     PTHREAD_MACH_CALL(semaphore_signal_all(cond->sem), kern_res);
     LOCK(cond->lock);
-    cond->sigspending -= delta;
+    cond->sigspending--;
     if (cond->waiters == 0 && cond->sigspending == 0) {
         restore_sem_to_pool(cond->sem);
         cond->sem = MACH_PORT_NULL;
@@ -128,7 +127,7 @@ pthread_cond_signal_thread_np(pthread_cond_t *cond, pthread_t thread)
         return (EINVAL); /* Not a condition variable */
     }
     LOCK(cond->lock);
-    if (cond->waiters <= cond->sigspending) {
+    if (cond->sem == MACH_PORT_NULL) {
         /* Avoid kernel call since there are not enough waiters... */
         UNLOCK(cond->lock);
         return (ESUCCESS);