1 /* 2 * Copyright (c) 2002, Intel Corporation. All rights reserved. 3 * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com 4 * This file is licensed under the GPL license. For the full content 5 * of this license, see the COPYING file at the top level of this 6 * source tree. 7 8 * Test that timer_settime() sets the time until the next timer 9 * expiration to value.it_value and arms the timer for a variety 10 * of value.it_value values. 11 * 12 * Same steps as in 1-1.c; however, this time for multiple 13 * value.it_value values. 14 * 15 * For this test, signal SIGTOTEST will be used, clock CLOCK_REALTIME 16 * will be used. 17 */ 18 19 #include <time.h> 20 #include <signal.h> 21 #include <stdio.h> 22 #include <unistd.h> 23 #include <stdlib.h> 24 #include "posixtest.h" 25 26 #define SIGTOTEST SIGALRM 27 #define SLEEPDELTA 3 28 #define ACCEPTABLEDELTA 1 29 #define NUMTESTS 6 30 31 void handler(int signo) 32 { 33 printf("Caught signal\n"); 34 } 35 36 int main(void) 37 { 38 struct sigevent ev; 39 struct sigaction act; 40 timer_t tid; 41 struct itimerspec its; 42 struct timespec ts, tsleft; 43 int timervals[NUMTESTS][2] = { 44 {0, 30000000}, {1, 0}, 45 {1, 30000000}, {2, 0}, 46 {10, 5000}, {13, 5} 47 }; 48 int i; 49 int failure = 0; 50 51 ev.sigev_notify = SIGEV_SIGNAL; 52 ev.sigev_signo = SIGTOTEST; 53 54 act.sa_handler = handler; 55 act.sa_flags = 0; 56 57 its.it_interval.tv_sec = 0; 58 its.it_interval.tv_nsec = 0; 59 60 if (sigemptyset(&act.sa_mask) == -1) { 61 perror("Error calling sigemptyset\n"); 62 return PTS_UNRESOLVED; 63 } 64 if (sigaction(SIGTOTEST, &act, 0) == -1) { 65 perror("Error calling sigaction\n"); 66 return PTS_UNRESOLVED; 67 } 68 69 for (i = 0; i < NUMTESTS; i++) { 70 its.it_value.tv_sec = timervals[i][0]; 71 its.it_value.tv_nsec = timervals[i][1]; 72 73 ts.tv_sec = timervals[i][0] + SLEEPDELTA; 74 ts.tv_nsec = timervals[i][1]; 75 76 if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) { 77 perror("timer_create() did not return success\n"); 78 return PTS_UNRESOLVED; 79 } 80 81 if (timer_settime(tid, 0, &its, NULL) != 0) { 82 perror("timer_settime() did not return success\n"); 83 failure = 1; 84 } 85 86 if (nanosleep(&ts, &tsleft) != -1) { 87 perror("nanosleep() not interrupted\n"); 88 failure = 1; 89 } 90 91 if (abs(tsleft.tv_sec - SLEEPDELTA) > ACCEPTABLEDELTA) { 92 printf("Timer did not last correct amount of time\n"); 93 failure = 1; 94 } 95 96 if (timer_delete(tid) == -1) { 97 perror("timer_delete() returned failure\n"); 98 /* 99 * do not continue 100 */ 101 return PTS_UNRESOLVED; 102 } 103 } 104 105 if (failure) { 106 printf("At least one test FAILED\n"); 107 return PTS_FAIL; 108 } 109 110 printf("All tests PASSED\n"); 111 return PTS_PASS; 112 } 113
