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/*
* pthread_attr_setstacksize.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) 1999,2012 Pthreads-win32 contributors
*
* Homepage1: http://sourceware.org/pthreads-win32/
* Homepage2: http://sourceforge.net/projects/pthreads4w/
*
* 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_setstacksize (pthread_attr_t * attr, size_t stacksize)
/*
* ------------------------------------------------------
* DOCPUBLIC
* This function specifies the size of the stack on
* which threads created with 'attr' will run.
*
* PARAMETERS
* attr
* pointer to an instance of pthread_attr_t
*
* stacksize
* stack size, in bytes.
*
*
* DESCRIPTION
* This function specifies the size of the stack on
* which threads created with 'attr' will run.
*
* NOTES:
* 1) Function supported only if this macro is
* defined:
*
* _POSIX_THREAD_ATTR_STACKSIZE
*
* 2) Find the default first (using
* pthread_attr_getstacksize), then increase
* by multiplying.
*
* 3) Only use if thread needs more than the
* default.
*
* RESULTS
* 0 successfully set stack size,
* EINVAL 'attr' is invalid or stacksize too
* small or too big.
* ENOSYS function not supported
*
* ------------------------------------------------------
*/
{
#if defined(_POSIX_THREAD_ATTR_STACKSIZE)
#if PTHREAD_STACK_MIN > 0
/* Verify that the stack size is within range. */
if (stacksize < PTHREAD_STACK_MIN)
{
return EINVAL;
}
#endif
if (ptw32_is_attr (attr) != 0)
{
return EINVAL;
}
/* Everything is okay. */
(*attr)->stacksize = stacksize;
return 0;
#else
return ENOSYS;
#endif /* _POSIX_THREAD_ATTR_STACKSIZE */
}
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