X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fsem.c;h=b4c4a89b5135ddeacbb76a22f735c1f62bddb847;hb=HEAD;hp=c18445361fb1fcccd6233a2c98460232d84457ae;hpb=c5059d4c1e7f0de5a466d471e7ee26b6ccce8396;p=tlsproxy%2Ftlsproxy.git

diff --git a/src/sem.c b/src/sem.c
index c184453..b4c4a89 100644
--- a/src/sem.c
+++ b/src/sem.c
@@ -1,7 +1,7 @@
 /*
  * Simple semaphore implementation, P() and V().
  *
- * Copyright (C) 2011-2013  Simon Ruderich
+ * Copyright (C) 2011-2014  Simon Ruderich
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -19,8 +19,8 @@
 
 #include "sem.h"
 
-#include <stdlib.h>
 #include <pthread.h>
+#include <stdlib.h>
 
 
 struct SEM {
@@ -69,7 +69,7 @@ int sem_del(SEM *sem) {
 
 void P(SEM *sem) {
     pthread_mutex_lock(&sem->mutex);
-    while (sem->value == 0) {
+    while (sem->value <= 0) {
         pthread_cond_wait(&sem->condition, &sem->mutex);
     }
     sem->value--;