diff options
Diffstat (limited to 'nuttx/sched/sem_post.c')
| -rw-r--r-- | nuttx/sched/sem_post.c | 70 |
1 files changed, 33 insertions, 37 deletions
diff --git a/nuttx/sched/sem_post.c b/nuttx/sched/sem_post.c index 2a6af5e21..186c3b87e 100644 --- a/nuttx/sched/sem_post.c +++ b/nuttx/sched/sem_post.c @@ -1,7 +1,7 @@ -/************************************************************ - * sem_post.c +/**************************************************************************** + * sched/sem_post.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 <limits.h> @@ -45,52 +45,49 @@ #include "os_internal.h" #include "sem_internal.h" -/************************************************************ +/**************************************************************************** * Compilation Switches - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Definitions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Private Type Declarations - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Global Variables - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Private Variables - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Private Functions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Public Functions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Function: sem_post * * Description: - * When a task has finished with a semaphore, it will call - * sem_post(). This function unlocks the semaphore - * referenced by sem by performing the semaphore unlock - * operation on that semaphore. + * When a task has finished with a semaphore, it will call sem_post(). + * This function unlocks the semaphore referenced by sem by performing the + * semaphore unlock operation on that semaphore. * - * If the semaphore value resulting from this operation - * is positive, then no tasks were blocked waiting for the - * semaphore to become unlocked; the semaphore is simply - * incremented. + * If the semaphore value resulting from this operation is positive, then + * no tasks were blocked waiting for the semaphore to become unlocked; the + * semaphore is simply incremented. * - * If the value of the semaphore resulting from this - * operation is zero, then one of the tasks blocked - * waiting for the semaphore shall be allowed to return - * successfully from its call to sem_wait(). + * If the value of the semaphore resulting from this operation is zero, + * then one of the tasks blocked waiting for the semaphore shall be + * allowed to return successfully from its call to sem_wait(). * * Parameters: * sem - Semaphore descriptor @@ -103,9 +100,9 @@ * It assumes the currently executing task is the one that * is performing the unlock. * - ************************************************************/ + ****************************************************************************/ -int sem_post(sem_t *sem) +int sem_post(FAR sem_t *sem) { FAR _TCB *stcb; STATUS ret = ERROR; @@ -163,4 +160,3 @@ int sem_post(sem_t *sem) return ret; } - |