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
22int main(int argc, char *argv[])
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,
73				sleepuntilsec);
74			printf("Test FAILED\n");
75			return PTS_FAIL;
76		}
77	}
78
79	return PTS_UNRESOLVED;
80}
81