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Add pthread_attr_get_np() function. This is FreeBSD non-portable POSIX threads

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extenston function. It supposed to provide facility to get already created
thread's attributes. Looks like it's last thing we need to make JDK's Hotspot
building without requirement to have source tree.

Reviewed by:	deischen
MFC after:	3 days
This commit is contained in:
Alexey Zelkin 2002-10-26 13:53:22 +00:00
parent 64536616e6
commit 6dc0be5f9f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=105985
1 changed files with 50 additions and 0 deletions
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lib/libc_r/uthread/uthread_attr_get_np.c Normal file
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/*
* Copyright (c) 2002 Alexey Zelkin <phantom@FreeBSD.org>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <errno.h>
#include <string.h>
#include <pthread.h>
#include <pthread_np.h>
#include "pthread_private.h"
__weak_reference(_pthread_attr_get_np, pthread_attr_get_np);
int
_pthread_attr_get_np(pthread_t *pid, pthread_attr_t *dst)
{
int ret;
if ((pid == NULL) || (*pid == NULL) || (dst == NULL) || (*dst == NULL))
return(EINVAL);
if ((ret = _find_thread(*pid)) != 0)
return(ret);
memcpy(*dst, &(*pid)->attr, sizeof(struct pthread_attr));
return (0);
}