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-rw-r--r--libpthread/linuxthreads/semaphore.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/libpthread/linuxthreads/semaphore.h b/libpthread/linuxthreads/semaphore.h
index 8407007d0..3084209f6 100644
--- a/libpthread/linuxthreads/semaphore.h
+++ b/libpthread/linuxthreads/semaphore.h
@@ -13,7 +13,7 @@
/* GNU Library General Public License for more details. */
#ifndef _SEMAPHORE_H
-#define _SEMAPHORE_H 1
+#define _SEMAPHORE_H 1
#include <features.h>
#include <sys/types.h>
@@ -42,7 +42,7 @@ typedef struct
#define SEM_FAILED ((sem_t *) 0)
/* Maximum value the semaphore can have. */
-#define SEM_VALUE_MAX (2147483647)
+#define SEM_VALUE_MAX (2147483647)
__BEGIN_DECLS
@@ -54,7 +54,7 @@ extern int sem_init (sem_t *__sem, int __pshared, unsigned int __value) __THROW;
/* Free resources associated with semaphore object SEM. */
extern int sem_destroy (sem_t *__sem) __THROW;
-/* Open a named semaphore NAME with open flaot OFLAG. */
+/* Open a named semaphore NAME with open flags OFLAG. */
extern sem_t *sem_open (__const char *__name, int __oflag, ...) __THROW;
/* Close descriptor for named semaphore SEM. */
@@ -63,11 +63,17 @@ extern int sem_close (sem_t *__sem) __THROW;
/* Remove named semaphore NAME. */
extern int sem_unlink (__const char *__name) __THROW;
-/* Wait for SEM being posted. */
+/* Wait for SEM being posted.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
extern int sem_wait (sem_t *__sem);
#ifdef __USE_XOPEN2K
-/* Similar to `sem_wait' but wait only until ABSTIME. */
+/* Similar to `sem_wait' but wait only until ABSTIME.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
extern int sem_timedwait (sem_t *__restrict __sem,
__const struct timespec *__restrict __abstime);
#endif
@@ -82,6 +88,7 @@ extern int sem_post (sem_t *__sem) __THROW;
extern int sem_getvalue (sem_t *__restrict __sem, int *__restrict __sval)
__THROW;
+
__END_DECLS
-#endif /* semaphore.h */
+#endif /* semaphore.h */