1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License version 2. 4 * 5 * This program is distributed in the hope that it will be useful, 6 * but WITHOUT ANY WARRANTY; without even the implied warranty of 7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8 * GNU General Public License for more details. 9 * 10 * 11 * Test that the values that can be returned by sched_getscheduler() are 12 * defined in the sched.h header 13 */ 14 #include <stdio.h> 15 #include <sched.h> 16 #include <errno.h> 17 #include "posixtest.h" 18 19 struct unique { 20 int value; 21 char *name; 22 } sym[] = { 23 #ifdef SCHED_FIFO 24 { 25 SCHED_FIFO, "SCHED_FIFO"}, 26 #endif 27 #ifdef SCHED_RR 28 { 29 SCHED_RR, "SCHED_RR"}, 30 #endif 31 #ifdef SCHED_SPORADIC 32 { 33 SCHED_SPORADIC, "SCHED_SPORADIC"}, 34 #endif 35 #ifdef SCHED_OTHER 36 { 37 SCHED_OTHER, "SCHED_OTHER"}, 38 #endif 39 { 40 0, 0} 41 }; 42 43 int main(void) 44 { 45 int result = -1; 46 struct unique *tst; 47 48 tst = sym; 49 result = sched_getscheduler(0); 50 51 if (result == -1) { 52 printf("Returned code is -1.\n"); 53 return PTS_FAIL; 54 } 55 if (errno != 0) { 56 perror("Unexpected error"); 57 return PTS_FAIL; 58 } 59 60 while (tst->name) { 61 if (result == tst->value) { 62 printf("Test PASSED\n"); 63 return PTS_PASS; 64 } 65 tst++; 66 } 67 68 printf("The resulting scheduling policy is not one of standard " 69 "policy.\nIt could be an implementation defined policy."); 70 return PTS_UNRESOLVED; 71 } 72