posix: Use a value of 0 for SEM_FAILED

This is the standard NULL pointer.
2015-03-10 08:48:26 +01:00
parent f0ff18e035
commit 60bded9f8b
1 changed files with 1 additions and 1 deletions
--- a/cpukit/posix/include/semaphore.h
+++ b/cpukit/posix/include/semaphore.h
@@ -45,7 +45,7 @@ typedef int sem_t;
 /*
 *  Bad semaphore Id
 */
-#define SEM_FAILED (sem_t *) -1
+#define SEM_FAILED ((sem_t *)0)

 /*
 *  11.2.1 Initialize an Unnamed Semaphore, P1003.1b-1993, p.219