1 /* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <pthread.h>
19 #include <signal.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22
23
24 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
25 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
26 static pthread_barrier_t b;
27
28 static void *
tf(void * a)29 tf (void *a)
30 {
31 if (pthread_mutex_lock (&m) != 0)
32 {
33 puts ("child: mutex_lock failed");
34 exit (1);
35 }
36
37 int e = pthread_barrier_wait (&b);
38 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
39 {
40 puts ("child: barrier_wait failed");
41 exit (1);
42 }
43
44 /* This call should never return. */
45 pthread_cond_wait (&c, &m);
46
47 return NULL;
48 }
49
50
51 int
do_test(void)52 do_test (void)
53 {
54 pthread_t th;
55
56 if (pthread_barrier_init (&b, NULL, 2) != 0)
57 {
58 puts ("barrier_init failed");
59 exit (1);
60 }
61
62 if (pthread_create (&th, NULL, tf, NULL) != 0)
63 {
64 puts ("create failed");
65 exit (1);
66 }
67
68 int e = pthread_barrier_wait (&b);
69 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
70 {
71 puts ("barrier_wait failed");
72 exit (1);
73 }
74
75 if (pthread_mutex_lock (&m) != 0)
76 {
77 puts ("mutex_lock failed");
78 exit (1);
79 }
80
81 /* Send the thread a signal which it doesn't catch and which will
82 cause the process to terminate. */
83 if (pthread_kill (th, SIGUSR1) != 0)
84 {
85 puts ("kill failed");
86 exit (1);
87 }
88
89 /* This call should never return. */
90 pthread_join (th, NULL);
91
92 return 0;
93 }
94
95
96 #define EXPECTED_SIGNAL SIGUSR1
97 #define TEST_FUNCTION do_test ()
98 #include "../test-skeleton.c"
99