1/* 2 * pthread_attr_getstackaddr.c 3 * 4 * Description: 5 * This translation unit implements operations on thread attribute objects. 6 * 7 * -------------------------------------------------------------------------- 8 * 9 * Pthreads-win32 - POSIX Threads Library for Win32 10 * Copyright(C) 1998 John E. Bossom 11 * Copyright(C) 1999,2005 Pthreads-win32 contributors 12 * 13 * Contact Email: rpj@callisto.canberra.edu.au 14 * 15 * The current list of contributors is contained 16 * in the file CONTRIBUTORS included with the source 17 * code distribution. The list can also be seen at the 18 * following World Wide Web location: 19 * http://sources.redhat.com/pthreads-win32/contributors.html 20 * 21 * This library is free software; you can redistribute it and/or 22 * modify it under the terms of the GNU Lesser General Public 23 * License as published by the Free Software Foundation; either 24 * version 2 of the License, or (at your option) any later version. 25 * 26 * This library is distributed in the hope that it will be useful, 27 * but WITHOUT ANY WARRANTY; without even the implied warranty of 28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 29 * Lesser General Public License for more details. 30 * 31 * You should have received a copy of the GNU Lesser General Public 32 * License along with this library in the file COPYING.LIB; 33 * if not, write to the Free Software Foundation, Inc., 34 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 35 */ 36 37#include "pthread.h" 38#include "implement.h" 39 40/* ignore warning "unreferenced formal parameter" */ 41#if defined(_MSC_VER) 42#pragma warning( disable : 4100 ) 43#endif 44 45int 46pthread_attr_getstackaddr (const pthread_attr_t * attr, void **stackaddr) 47 /* 48 * ------------------------------------------------------ 49 * DOCPUBLIC 50 * This function determines the address of the stack 51 * on which threads created with 'attr' will run. 52 * 53 * PARAMETERS 54 * attr 55 * pointer to an instance of pthread_attr_t 56 * 57 * stackaddr 58 * pointer into which is returned the stack address. 59 * 60 * 61 * DESCRIPTION 62 * This function determines the address of the stack 63 * on which threads created with 'attr' will run. 64 * 65 * NOTES: 66 * 1) Function supported only if this macro is 67 * defined: 68 * 69 * _POSIX_THREAD_ATTR_STACKADDR 70 * 71 * 2) Create only one thread for each stack 72 * address.. 73 * 74 * RESULTS 75 * 0 successfully retreived stack address, 76 * EINVAL 'attr' is invalid 77 * ENOSYS function not supported 78 * 79 * ------------------------------------------------------ 80 */ 81{ 82#if defined( _POSIX_THREAD_ATTR_STACKADDR ) 83 84 if (ptw32_is_attr (attr) != 0) 85 { 86 return EINVAL; 87 } 88 89 *stackaddr = (*attr)->stackaddr; 90 return 0; 91 92#else 93 94 return ENOSYS; 95 96#endif /* _POSIX_THREAD_ATTR_STACKADDR */ 97} 98