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 clock_nanosleep() causes the current thread to be suspended 9 * until a signal whose action is to terminate the process is received 10 * for an absolute clock. [Same as test 1-4.c except with TIMER_ABSTIME 11 * set.] 12 */ 13 #include <stdio.h> 14 #include <time.h> 15 #include <signal.h> 16 #include <unistd.h> 17 #include <sys/wait.h> 18 #include "posixtest.h" 19 20 #define SLEEPSEC 30 21 22 int main(void) 23 { 24 struct timespec tssleep, tsbefore, tsafter; 25 int pid, sleepuntilsec; 26 27 if (clock_gettime(CLOCK_REALTIME, &tsbefore) != 0) { 28 perror("clock_gettime() did not return success\n"); 29 return PTS_UNRESOLVED; 30 } 31 32 sleepuntilsec = tsbefore.tv_sec + SLEEPSEC; 33 34 if ((pid = fork()) == 0) { 35 int flags = 0; 36 37 /* child here */ 38 tssleep.tv_sec = sleepuntilsec; 39 tssleep.tv_nsec = tsbefore.tv_nsec; 40 41 flags |= TIMER_ABSTIME; 42 clock_nanosleep(CLOCK_REALTIME, flags, &tssleep, NULL); 43 } else { 44 /* parent here */ 45 int i; 46 47 sleep(1); 48 49 if (kill(pid, SIGABRT) != 0) { 50 printf("Could not raise signal being tested\n"); 51 return PTS_UNRESOLVED; 52 } 53 54 if (wait(&i) == -1) { 55 perror("Error waiting for child to exit\n"); 56 return PTS_UNRESOLVED; 57 } 58 if (clock_gettime(CLOCK_REALTIME, &tsafter) != 0) { 59 perror("clock_gettime() did not return success\n"); 60 return PTS_UNRESOLVED; 61 } 62 63 /* 64 * pass if we slept for less than the (large) sleep time 65 * allotted 66 */ 67 if (tsafter.tv_sec < sleepuntilsec) { 68 printf("Test PASSED\n"); 69 return PTS_PASS; 70 } else { 71 printf("Slept for too long: %d >= %d\n", 72 (int)tsafter.tv_sec, sleepuntilsec); 73 printf("Test FAILED\n"); 74 return PTS_FAIL; 75 } 76 } 77 78 return PTS_UNRESOLVED; 79 } 80
