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() does not effect the action of a signal.
9 * - Start nanosleep() in a child process
10 * - Send a signal to the child process and have the handler exit with
11 * success; if the handler is not called, return 0
12 * - In the parent, if the child exited success, return success.
13 */
14 #include <stdio.h>
15 #include <time.h>
16 #include <signal.h>
17 #include <unistd.h>
18 #include <sys/wait.h>
19 #include <stdlib.h>
20 #include "posixtest.h"
21
22 #define CHILDSUCCESS 1
23 #define CHILDFAIL 0
24
handler(int signo LTP_ATTRIBUTE_UNUSED)25 void handler(int signo LTP_ATTRIBUTE_UNUSED)
26 {
27 printf("Received signal - exit success\n");
28 exit(CHILDSUCCESS);
29 }
30
main(void)31 int main(void)
32 {
33 struct timespec tssleepfor, tsstorage;
34 int sleepsec = 30;
35 int pid;
36 struct sigaction act;
37
38 if ((pid = fork()) == 0) {
39 /* child here */
40
41 act.sa_handler = handler;
42 act.sa_flags = 0;
43 if (sigemptyset(&act.sa_mask) == -1) {
44 perror("Error calling sigemptyset\n");
45 return CHILDFAIL;
46 }
47 if (sigaction(SIGABRT, &act, 0) == -1) {
48 perror("Error calling sigaction\n");
49 return CHILDFAIL;
50 }
51 tssleepfor.tv_sec = sleepsec;
52 tssleepfor.tv_nsec = 0;
53 nanosleep(&tssleepfor, &tsstorage);
54 return CHILDFAIL;
55 } else {
56 /* parent here */
57 int i;
58
59 sleep(1);
60
61 if (kill(pid, SIGABRT) != 0) {
62 printf("Could not raise signal being tested\n");
63 return PTS_UNRESOLVED;
64 }
65
66 if (wait(&i) == -1) {
67 perror("Error waiting for child to exit\n");
68 return PTS_UNRESOLVED;
69 }
70
71 if (WIFEXITED(i) && WEXITSTATUS(i)) {
72 printf("Child exited normally\n");
73 printf("Test PASSED\n");
74 return PTS_PASS;
75 } else {
76 printf("Child did not exit normally.\n");
77 printf("Test FAILED\n");
78 return PTS_FAIL;
79 }
80 }
81 return PTS_UNRESOLVED;
82 }
83