diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-23 23:22:22 +0000 |
---|---|---|
committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-23 23:22:22 +0000 |
commit | 1113121fa268695f1816574c47bb88d737d12a3e (patch) | |
tree | 776672757efb51d171d9bd17355fa8cd5053f9ef /nuttx/sched/pthread_barrierattrgetpshared.c | |
parent | fb18a14fa419ea6627fa1f148bd1a479cd53639b (diff) | |
download | px4-nuttx-1113121fa268695f1816574c47bb88d737d12a3e.tar.gz px4-nuttx-1113121fa268695f1816574c47bb88d737d12a3e.tar.bz2 px4-nuttx-1113121fa268695f1816574c47bb88d737d12a3e.zip |
Add new pthread_* APIs
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@134 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/sched/pthread_barrierattrgetpshared.c')
-rw-r--r-- | nuttx/sched/pthread_barrierattrgetpshared.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/nuttx/sched/pthread_barrierattrgetpshared.c b/nuttx/sched/pthread_barrierattrgetpshared.c new file mode 100644 index 000000000..23cf43872 --- /dev/null +++ b/nuttx/sched/pthread_barrierattrgetpshared.c @@ -0,0 +1,100 @@ +/******************************************************************************** + * pthread_barrierattrgetpshared.c + * + * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * 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 + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * 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 <pthread.h> +#include <errno.h> +#include <debug.h> + +/******************************************************************************** + * Definitions + ********************************************************************************/ + +/******************************************************************************** + * Private Type Declarations + ********************************************************************************/ + +/******************************************************************************** + * Global Variables + ********************************************************************************/ + +/******************************************************************************** + * Private Variables + ********************************************************************************/ + +/******************************************************************************** + * Private Function Prototypes + ********************************************************************************/ + +/******************************************************************************** + * Public Functions + ********************************************************************************/ + +/******************************************************************************** + * Function: pthread_barrierattr_getpshared + * + * Description: + * The pthread_barrierattr_getpshared() function will obtain the value of the + * process-shared attribute from the attributes object referenced by attr. + * + * Parameters: + * attr - barrier attributes to be queried. + * pshared - the location to stored the current value of the pshared attribute. + * + * Return Value: + * 0 (OK) on success or EINVAL if either attr or pshared is invalid. + * + * Assumptions: + * + ********************************************************************************/ + +int pthread_barrierattr_getpshared(FAR const pthread_barrierattr_t *attr, FAR int *pshared) +{ + int ret = OK; + + if (!attr || !pshared) + { + ret = EINVAL; + } + else + { + *pshared = attr->pshared; + } + return ret; +} |