/* * pthread_attr_getstackaddr.c * * Description: * This translation unit implements operations on thread attribute objects. * * -------------------------------------------------------------------------- * * Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems * Copyright(C) 2008 Jason Schmidlapp * * Contact Email: jschmidlapp@users.sourceforge.net * * * Based upon 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 original list of contributors to the Pthreads-win32 project * is contained in the file CONTRIBUTORS.ptw32 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 */ #include "pthread.h" #include "implement.h" int pthread_attr_getstackaddr (const pthread_attr_t * attr, void **stackaddr) /* * ------------------------------------------------------ * DOCPUBLIC * This function determines the address of the stack * on which threads created with 'attr' will run. * * PARAMETERS * attr * pointer to an instance of pthread_attr_t * * stackaddr * pointer into which is returned the stack address. * * * DESCRIPTION * This function determines the address of the stack * on which threads created with 'attr' will run. * * NOTES: * 1) Function supported only if this macro is * defined: * * _POSIX_THREAD_ATTR_STACKADDR * * 2) Create only one thread for each stack * address.. * * RESULTS * 0 successfully retreived stack address, * EINVAL 'attr' is invalid * ENOSYS function not supported * * ------------------------------------------------------ */ { #if defined( _POSIX_THREAD_ATTR_STACKADDR ) if (pte_is_attr (attr) != 0) { return EINVAL; } *stackaddr = (*attr)->stackaddr; return 0; #else return ENOSYS; #endif /* _POSIX_THREAD_ATTR_STACKADDR */ }