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posix: Use a value of 0 for SEM_FAILED

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This is the standard NULL pointer.
This commit is contained in:
Sebastian Huber
2015-03-10 08:56:05 +01:00
parent f0ff18e035
commit 60bded9f8b
1 changed files with 1 additions and 1 deletions
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cpukit/posix/include/semaphore.h
+1 -1
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@@ -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