diff options
Diffstat (limited to 'nuttx/sched/pthread_initialize.c')
| -rw-r--r-- | nuttx/sched/pthread_initialize.c | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/nuttx/sched/pthread_initialize.c b/nuttx/sched/pthread_initialize.c index 599d63ebf..3cd715d8f 100644 --- a/nuttx/sched/pthread_initialize.c +++ b/nuttx/sched/pthread_initialize.c @@ -1,7 +1,7 @@ -/************************************************************ +/**************************************************************************** * pthread_initialize.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. * @@ -31,28 +31,28 @@ * 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 <semaphore.h> #include <errno.h> #include "pthread_internal.h" -/************************************************************ +/**************************************************************************** * Definitions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Private Type Declarations - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Global Variables - ************************************************************/ + ****************************************************************************/ /* This is the head of a private singly linked list. It * is used to retain information about the spawned threads. @@ -73,19 +73,19 @@ sem_t g_join_semaphore; ubyte g_pthread_num_keys; -/************************************************************ +/**************************************************************************** * Private Variables - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Private Functions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Public Functions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Function: pthread_initialize * * Description: @@ -100,7 +100,7 @@ ubyte g_pthread_num_keys; * * Assumptions: * - ************************************************************/ + ****************************************************************************/ void pthread_initialize(void) { @@ -117,7 +117,7 @@ void pthread_initialize(void) (void)sem_init(&g_join_semaphore, 0, 1); } -/************************************************************ +/**************************************************************************** * Function: pthread_takesemaphore and pthread_givesemaphore * * Description: @@ -127,11 +127,12 @@ void pthread_initialize(void) * None * * Return Value: - * None + * 0 on success or an ERROR on failure with errno value set to EINVAL. + * Note that the errno EINTR is never returned by this function. * * Assumptions: * - ************************************************************/ + ****************************************************************************/ int pthread_takesemaphore(sem_t *sem) { @@ -173,8 +174,9 @@ int pthread_givesemaphore(sem_t *sem) /* Give the semaphore */ if (sem_post(sem) == OK) - return OK; - + { + return OK; + } else { /* sem_post() reported an error */ |