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 having two timers in different processes set to expire at the 9 * same time, and ensure they both expire at the same time. 10 */ 11 #include <stdio.h> 12 #include <time.h> 13 #include <signal.h> 14 #include <stdlib.h> 15 #include <sys/types.h> 16 #include <sys/wait.h> 17 #include <unistd.h> 18 #include "posixtest.h" 19 20 #define EXPIREDELTA 3 21 #define LONGTIME 5 22 23 #define CHILDPASS 1 24 25 int main(int argc, char *argv[]) 26 { 27 int pid; 28 struct timespec ts; 29 30 if (clock_gettime(CLOCK_REALTIME, &ts) != 0) { 31 perror("clock_gettime() did not return success\n"); 32 return PTS_UNRESOLVED; 33 } 34 35 if ((pid = fork()) == 0) { 36 /*child */ 37 struct sigevent ev; 38 timer_t tid; 39 struct itimerspec its; 40 sigset_t set; 41 int sig; 42 int flags = 0; 43 44 if (sigemptyset(&set) == -1) { 45 perror("sigemptyset() failed\n"); 46 return PTS_UNRESOLVED; 47 } 48 49 if (sigaddset(&set, SIGABRT) == -1) { 50 perror("sigaddset() failed\n"); 51 return PTS_UNRESOLVED; 52 } 53 54 ev.sigev_notify = SIGEV_SIGNAL; 55 ev.sigev_signo = SIGABRT; 56 if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) { 57 perror("timer_create() did not return success\n"); 58 return PTS_UNRESOLVED; 59 } 60 61 its.it_value.tv_sec = ts.tv_sec + EXPIREDELTA; 62 its.it_value.tv_nsec = ts.tv_nsec; 63 its.it_interval.tv_sec = 0; 64 its.it_interval.tv_nsec = 0; 65 66 flags |= TIMER_ABSTIME; 67 if (timer_settime(tid, flags, &its, NULL) != 0) { 68 perror("timer_settime() did not return success\n"); 69 return PTS_UNRESOLVED; 70 } 71 72 if (sigwait(&set, &sig) == -1) { 73 perror("sigwait() failed\n"); 74 return PTS_UNRESOLVED; 75 } 76 printf("Got it! Child\n"); 77 78 sleep(LONGTIME); 79 return CHILDPASS; 80 } else { 81 /*parent */ 82 struct sigevent ev; 83 timer_t tid; 84 struct itimerspec its; 85 sigset_t set; 86 int sig; 87 int flags = 0; 88 int i; 89 90 if (sigemptyset(&set) == -1) { 91 perror("sigemptyset() failed\n"); 92 return PTS_UNRESOLVED; 93 } 94 95 if (sigaddset(&set, SIGALRM) == -1) { 96 perror("sigaddset() failed\n"); 97 return PTS_UNRESOLVED; 98 } 99 100 ev.sigev_notify = SIGEV_SIGNAL; 101 ev.sigev_signo = SIGALRM; 102 if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) { 103 perror("timer_create() did not return success\n"); 104 return PTS_UNRESOLVED; 105 } 106 107 its.it_value.tv_sec = ts.tv_sec + EXPIREDELTA; 108 its.it_value.tv_nsec = ts.tv_nsec; 109 its.it_interval.tv_sec = 0; 110 its.it_interval.tv_nsec = 0; 111 112 flags |= TIMER_ABSTIME; 113 if (timer_settime(tid, flags, &its, NULL) != 0) { 114 perror("timer_settime() did not return success\n"); 115 return PTS_UNRESOLVED; 116 } 117 118 if (sigwait(&set, &sig) == -1) { 119 perror("sigwait() failed\n"); 120 return PTS_UNRESOLVED; 121 } 122 printf("Got it! Parent\n"); 123 124 if (wait(&i) == -1) { 125 perror("Error waiting for child to exit\n"); 126 return PTS_UNRESOLVED; 127 } 128 if (WEXITSTATUS(i)) { 129 printf("Test PASSED\n"); 130 return PTS_PASS; 131 } else { 132 printf("Test FAILED\n"); 133 return PTS_FAIL; 134 } 135 } 136 return PTS_UNRESOLVED; 137 } 138
