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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <time.h>
24#include <unistd.h>
25
26
27static pthread_barrier_t b;
28
29
30/* Cleanup handling test. */
31static int cl_called;
32
33static void
34cl (void *arg)
35{
36 ++cl_called;
37}
38
39
40static void *
41tf (void *arg)
42{
43 int r = pthread_barrier_wait (&b);
44 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
45 {
46 puts ("barrier_wait failed");
47 exit (1);
48 }
49
50 pthread_cleanup_push (cl, NULL);
51
52 struct timespec ts = { .tv_sec = arg == NULL ? 10000000 : 0, .tv_nsec = 0 };
53 TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts));
54
55 pthread_cleanup_pop (0);
56
57 puts ("clock_nanosleep returned");
58
59 exit (1);
60}
61
62
63static int
64do_test (void)
65{
66 if (pthread_barrier_init (&b, NULL, 2) != 0)
67 {
68 puts ("barrier_init failed");
69 return 1;
70 }
71
72 pthread_t th;
73 if (pthread_create (&th, NULL, tf, NULL) != 0)
74 {
75 puts ("1st create failed");
76 return 1;
77 }
78
79 int r = pthread_barrier_wait (&b);
80 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
81 {
82 puts ("barrier_wait failed");
83 exit (1);
84 }
85
86 struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
87 while (nanosleep (&ts, &ts) != 0)
88 continue;
89
90 puts ("going to cancel in-time");
91 if (pthread_cancel (th) != 0)
92 {
93 puts ("1st cancel failed");
94 return 1;
95 }
96
97 void *status;
98 if (pthread_join (th, &status) != 0)
99 {
100 puts ("1st join failed");
101 return 1;
102 }
103 if (status != PTHREAD_CANCELED)
104 {
105 puts ("1st thread not canceled");
106 return 1;
107 }
108
109 if (cl_called == 0)
110 {
111 puts ("cleanup handler not called");
112 return 1;
113 }
114 if (cl_called > 1)
115 {
116 puts ("cleanup handler called more than once");
117 return 1;
118 }
119
120 puts ("in-time cancellation succeeded");
121
122
123 cl_called = 0;
124
125 if (pthread_create (&th, NULL, tf, NULL) != 0)
126 {
127 puts ("2nd create failed");
128 return 1;
129 }
130
131 puts ("going to cancel early");
132 if (pthread_cancel (th) != 0)
133 {
134 puts ("2nd cancel failed");
135 return 1;
136 }
137
138 r = pthread_barrier_wait (&b);
139 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
140 {
141 puts ("barrier_wait failed");
142 exit (1);
143 }
144
145 if (pthread_join (th, &status) != 0)
146 {
147 puts ("2nd join failed");
148 return 1;
149 }
150 if (status != PTHREAD_CANCELED)
151 {
152 puts ("2nd thread not canceled");
153 return 1;
154 }
155
156 if (cl_called == 0)
157 {
158 printf ("cleanup handler not called\n");
159 return 1;
160 }
161 if (cl_called > 1)
162 {
163 printf ("cleanup handler called more than once\n");
164 return 1;
165 }
166
167 puts ("early cancellation succeeded");
168
169 return 0;
170}
171
172#define TEST_FUNCTION do_test ()
173#include "../test-skeleton.c"
174

Warning: That file was not part of the compilation database. It may have many parsing errors.