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 nanosleep() causes the current thread to be suspended
9 * until a signal whose action is to invoke a signal handling function
10 * is received.
11 */
12 #include <stdio.h>
13 #include <time.h>
14 #include <signal.h>
15 #include <unistd.h>
16 #include <sys/wait.h>
17 #include "posixtest.h"
18
handler(int signo LTP_ATTRIBUTE_UNUSED)19 void handler(int signo LTP_ATTRIBUTE_UNUSED)
20 {
21 printf("In handler\n");
22 }
23
main(void)24 int main(void)
25 {
26 struct timespec tssleepfor, tsstorage, tsbefore, tsafter;
27 int sleepsec = 30;
28 int pid;
29 struct sigaction act;
30
31 if (clock_gettime(CLOCK_REALTIME, &tsbefore) == -1) {
32 perror("Error in clock_gettime()\n");
33 return PTS_UNRESOLVED;
34 }
35
36 if ((pid = fork()) == 0) {
37 /* child here */
38
39 act.sa_handler = handler;
40 act.sa_flags = 0;
41 if (sigemptyset(&act.sa_mask) == -1) {
42 perror("Error calling sigemptyset\n");
43 return PTS_UNRESOLVED;
44 }
45 if (sigaction(SIGABRT, &act, 0) == -1) {
46 perror("Error calling sigaction\n");
47 return PTS_UNRESOLVED;
48 }
49 tssleepfor.tv_sec = sleepsec;
50 tssleepfor.tv_nsec = 0;
51 nanosleep(&tssleepfor, &tsstorage);
52 } else {
53 /* parent here */
54 int i;
55
56 sleep(1);
57
58 if (kill(pid, SIGABRT) != 0) {
59 printf("Could not raise signal being tested\n");
60 return PTS_UNRESOLVED;
61 }
62
63 if (wait(&i) == -1) {
64 perror("Error waiting for child to exit\n");
65 return PTS_UNRESOLVED;
66 }
67 if (clock_gettime(CLOCK_REALTIME, &tsafter) == -1) {
68 perror("Error in clock_gettime()\n");
69 return PTS_UNRESOLVED;
70 }
71
72 /*
73 * pass if we slept for less than the (large) sleep time
74 * allotted
75 */
76 if ((tsafter.tv_sec - tsbefore.tv_sec) < sleepsec) {
77 printf("Test PASSED\n");
78 return PTS_PASS;
79 } else {
80 printf("Slept for too long: %d >= %d\n",
81 (int)tsafter.tv_sec - (int)tsbefore.tv_sec,
82 sleepsec);
83 printf("Test FAILED\n");
84 return PTS_FAIL;
85 }
86 }
87 return PTS_UNRESOLVED;
88 }
89