svn commit: r202185 - head/lib/libc/gen
David Xu
davidxu at FreeBSD.org
Wed Jan 13 08:53:23 UTC 2010
Author: davidxu
Date: Wed Jan 13 08:53:23 2010
New Revision: 202185
URL: http://svn.freebsd.org/changeset/base/202185
Log:
Return SEM_FAILED instead of NULL, though there are same, but the
SEM_FAILED is more suitable name.
In function, sem_close(), always set errno on error.
Modified:
head/lib/libc/gen/sem_new.c
Modified: head/lib/libc/gen/sem_new.c
==============================================================================
--- head/lib/libc/gen/sem_new.c Wed Jan 13 08:21:19 2010 (r202184)
+++ head/lib/libc/gen/sem_new.c Wed Jan 13 08:53:23 2010 (r202185)
@@ -147,13 +147,13 @@ _sem_open(const char *name, int flags, .
if (name[0] != '/') {
errno = EINVAL;
- return (NULL);
+ return (SEM_FAILED);
}
name++;
if (flags & ~(O_CREAT|O_EXCL)) {
errno = EINVAL;
- return (NULL);
+ return (SEM_FAILED);
}
_pthread_once(&once, sem_module_init);
@@ -275,6 +275,7 @@ _sem_close(sem_t *sem)
return (0);
}
_pthread_mutex_unlock(&sem_llock);
+ errno = EINVAL;
return (-1);
}
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