112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
|
/************************************************************
|
||
|
|
* pthread_attrinit.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 <string.h>
|
||
|
|
#include <debug.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include "pthread_internal.h"
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Definitions
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Private Type Declarations
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Global Variables
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Private Variables
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Private Functions
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Public Functions
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
/************************************************************
|
||
|
|
* Function: pthread_attr_init
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Initializes a thread attributes object (attr) with
|
||
|
|
* default values for all of the individual attributes
|
||
|
|
* used by a given implementation.
|
||
|
|
*
|
||
|
|
* Parameters:
|
||
|
|
* attr
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
* 0 on success, otherwise an error number
|
||
|
|
*
|
||
|
|
* Assumptions:
|
||
|
|
*
|
||
|
|
************************************************************/
|
||
|
|
|
||
|
|
int pthread_attr_init(pthread_attr_t *attr)
|
||
|
|
{
|
||
|
|
int ret = OK;
|
||
|
|
|
||
|
|
dbg("%s: attr=0x%p\n", __FUNCTION__, attr);
|
||
|
|
if (!attr)
|
||
|
|
{
|
||
|
|
ret = ENOMEM;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Set the child thread priority to be the default
|
||
|
|
* priority. Set the child stack size to some arbitrary
|
||
|
|
* default value.
|
||
|
|
*/
|
||
|
|
|
||
|
|
memcpy(attr, &g_default_pthread_attr, sizeof(pthread_attr_t));
|
||
|
|
}
|
||
|
|
|
||
|
|
dbg("%s: Returning %d\n", __FUNCTION__, ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|