psxhdrs/sched/sched_setscheduler.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  This test file is used to verify that the header files associated with
0005  *  invoking this function are correct.
0006  */
0007
0008 /*
0009  *  COPYRIGHT (c) 1989-2009.
0010  *  On-Line Applications Research Corporation (OAR).
0011  *
0012  * Redistribution and use in source and binary forms, with or without
0013  * modification, are permitted provided that the following conditions
0014  * are met:
0015  * 1. Redistributions of source code must retain the above copyright
0016  *    notice, this list of conditions and the following disclaimer.
0017  * 2. Redistributions in binary form must reproduce the above copyright
0018  *    notice, this list of conditions and the following disclaimer in the
0019  *    documentation and/or other materials provided with the distribution.
0020  *
0021  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0022  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0023  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0024  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0025  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0026  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0027  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0028  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0029  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0030  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0031  * POSSIBILITY OF SUCH DAMAGE.
0032  */
0033
0034 #ifdef HAVE_CONFIG_H
0035 #include "config.h"
0036 #endif
0037
0038 #include <sched.h>
0039
0040 #ifndef _POSIX_PRIORITY_SCHEDULING
0041 #error "rtems is supposed to have sched_setscheduler"
0042 #endif
0043
0044 int test( void );
0045
0046 int test( void )
0047 {
0048   pid_t  pid;
0049   int    policy;
0050   struct sched_param param;
0051   int    result;
0052
0053   pid = 0;
0054
0055   policy = SCHED_RR;
0056   policy = SCHED_FIFO;
0057   policy = SCHED_OTHER;
0058 #ifdef _POSIX_SPORADIC_SERVER
0059   policy = SCHED_SPORADIC;
0060 #endif
0061
0062   /*
0063    *  really should use sched_get_priority_min() and sched_get_priority_max()
0064    */
0065
0066   param.sched_priority = 0;
0067 #ifdef _POSIX_SPORADIC_SERVER
0068   param.sched_ss_low_priority = 0;
0069   param.sched_ss_repl_period.tv_sec = 0;
0070   param.sched_ss_repl_period.tv_nsec = 0;
0071   param.sched_ss_init_budget.tv_sec = 0;
0072   param.sched_ss_init_budget.tv_nsec = 0;
0073 #endif
0074
0075   result = sched_setscheduler( pid, policy, &param );
0076
0077   return result;
0078 }