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-rw-r--r--nuttx/sched/sem_close.c68
1 files changed, 32 insertions, 36 deletions
diff --git a/nuttx/sched/sem_close.c b/nuttx/sched/sem_close.c
index 9c278fb582..4589695b61 100644
--- a/nuttx/sched/sem_close.c
+++ b/nuttx/sched/sem_close.c
@@ -1,7 +1,7 @@
-/************************************************************
- * sem_close.c
+/****************************************************************************
+ * sched/sem_close.c
*
- * Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -14,7 +14,7 @@
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
@@ -31,11 +31,11 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Included Files
- ************************************************************/
+ ****************************************************************************/
#include <sys/types.h>
#include <errno.h>
@@ -44,48 +44,46 @@
#include "os_internal.h"
#include "sem_internal.h"
-/************************************************************
+/****************************************************************************
* Compilation Switches
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Definitions
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Private Type Declarations
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Global Variables
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Private Variables
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Private Functions
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Public Functions
- ************************************************************/
+ ****************************************************************************/
-/************************************************************
+/****************************************************************************
* Function: sem_close
*
* Description:
- * This function is called to indicate that the calling\
- * task is finished with the specified named semaphore,
- * sem. The sem_close() deallocates any system resources
- * allocated by the system for this named semaphore.
+ * This function is called to indicate that the calling task is finished
+ * with the specified named semaphore, 'sem'. The sem_close() deallocates
+ * any system resources allocated by the system for this named semaphore.
*
- * If the semaphore has not been removed with a call to
- * sem_unlink(), then sem_close() has no effect on the
- * named semaphore. However, when the named semaphore has
- * been fully unlinked, the semaphore will vanish when the
- * last task closes it.
+ * If the semaphore has not been removed with a call to sem_unlink(), then
+ * sem_close() has no effect on the named semaphore. However, when the
+ * named semaphore has been fully unlinked, the semaphore will vanish when
+ * the last task closes it.
*
* Parameters:
* sem - semaphore descriptor
@@ -94,12 +92,11 @@
* 0 (OK), or -1 (ERROR) if unsuccessful.
*
* Assumptions:
- * - Care must be taken to avoid risking the deletion of
- * a semaphore that another calling task has already
- * locked.
+ * - Care must be taken to avoid risking the deletion of a semaphore that
+ * another calling task has already locked.
* - sem_close must not be called for an un-named semaphore
*
- ************************************************************/
+ ****************************************************************************/
int sem_close(FAR sem_t *sem)
{
@@ -142,4 +139,3 @@ int sem_close(FAR sem_t *sem)
return ret;
}
-