1 /* 2 * pthread_attr_setschedparam.c 3 * 4 * Description: 5 * POSIX thread functions that deal with thread scheduling. 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 (at) 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 #include "sched.h" 40 41 int 42 pthread_attr_setschedparam (pthread_attr_t * attr, 43 const struct sched_param *param) 44 { 45 int priority; 46 47 if (ptw32_is_attr (attr) != 0 || param == NULL) 48 { 49 return EINVAL; 50 } 51 52 priority = param->sched_priority; 53 54 /* Validate priority level. */ 55 if (priority < sched_get_priority_min (SCHED_OTHER) || 56 priority > sched_get_priority_max (SCHED_OTHER)) 57 { 58 return EINVAL; 59 } 60 61 memcpy (&(*attr)->param, param, sizeof (*param)); 62 return 0; 63 } 64
