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pthread_attr_setstackaddr.c    102 lines (92 with data), 3.3 kB

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/*
* pthread_attr_setstackaddr.c
*
* Description:
* This translation unit implements operations on thread attribute objects.
*
* --------------------------------------------------------------------------
*
* Pthreads-win32 - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999,2005 Pthreads-win32 contributors
*
* Contact Email: rpj@callisto.canberra.edu.au
*
* The current list of contributors is contained
* in the file CONTRIBUTORS included with the source
* code distribution. The list can also be seen at the
* following World Wide Web location:
* http://sources.redhat.com/pthreads-win32/contributors.html
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library in the file COPYING.LIB;
* if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "pthread.h"
#include "implement.h"
int
pthread_attr_setstackaddr (pthread_attr_t * attr, void *stackaddr)
/*
* ------------------------------------------------------
* DOCPUBLIC
* Threads created with 'attr' will run on the stack
* starting at 'stackaddr'.
* Stack must be at least PTHREAD_STACK_MIN bytes.
*
* PARAMETERS
* attr
* pointer to an instance of pthread_attr_t
*
* stackaddr
* the address of the stack to use
*
*
* DESCRIPTION
* Threads created with 'attr' will run on the stack
* starting at 'stackaddr'.
* Stack must be at least PTHREAD_STACK_MIN bytes.
*
* NOTES:
* 1) Function supported only if this macro is
* defined:
*
* _POSIX_THREAD_ATTR_STACKADDR
*
* 2) Create only one thread for each stack
* address..
*
* 3) Ensure that stackaddr is aligned.
*
* RESULTS
* 0 successfully set stack address,
* EINVAL 'attr' is invalid
* ENOSYS function not supported
*
* ------------------------------------------------------
*/
{
#if defined( _POSIX_THREAD_ATTR_STACKADDR )
if (ptw32_is_attr (attr) != 0)
{
return EINVAL;
}
(*attr)->stackaddr = stackaddr;
return 0;
#else
return ENOSYS;
#endif /* _POSIX_THREAD_ATTR_STACKADDR */
}