1 /* Copyright (C) 2003-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
28 static pthread_barrier_t b2
;
43 int r
= pthread_barrier_wait (&b2
);
44 if (r
!= 0 && r
!= PTHREAD_BARRIER_SERIAL_THREAD
)
46 puts ("child thread: barrier_wait failed");
50 pthread_cleanup_push (cl
, NULL
);
52 /* This call should never return. */
53 (void) lockf (fd
, F_LOCK
, 0);
55 pthread_cleanup_pop (0);
64 char fname
[] = "/tmp/cancel16XXXXXX";
68 puts ("mkstemp failed");
73 char mem
[sizeof (pthread_barrier_t
)];
74 memset (mem
, '\0', sizeof (mem
));
75 if (TEMP_FAILURE_RETRY (pwrite (fd
, mem
, sizeof (mem
), 0)) != sizeof (mem
))
77 puts ("pwrite failed");
81 void *p
= mmap (NULL
, sizeof (mem
), PROT_READ
|PROT_WRITE
, MAP_SHARED
, fd
, 0);
87 pthread_barrier_t
*b
= (pthread_barrier_t
*) p
;
89 pthread_barrierattr_t ba
;
90 if (pthread_barrierattr_init (&ba
) != 0)
92 puts ("barrierattr_init failed");
95 if (pthread_barrierattr_setpshared (&ba
, 1) != 0)
97 puts ("barrierattr_setshared failed");
101 if (pthread_barrier_init (b
, &ba
, 2) != 0)
103 puts ("1st barrier_init failed");
106 if (pthread_barrierattr_destroy (&ba
) != 0)
108 puts ("barrier_destroy failed");
115 /* Child. Lock the file and wait. */
116 if (lockf (fd
, F_LOCK
, 0) != 0)
118 puts ("child process: lockf failed");
122 int r
= pthread_barrier_wait (b
);
123 if (r
!= 0 && r
!= PTHREAD_BARRIER_SERIAL_THREAD
)
125 puts ("child process: 1st barrier_wait failed");
129 /* Make sure the process dies. */
132 r
= pthread_barrier_wait (b
);
133 if (r
!= 0 && r
!= PTHREAD_BARRIER_SERIAL_THREAD
)
135 puts ("child process: 2nd barrier_wait failed");
143 puts ("fork failed");
147 int r
= pthread_barrier_wait (b
);
148 if (r
!= 0 && r
!= PTHREAD_BARRIER_SERIAL_THREAD
)
150 puts ("main: 1st barrier_wait failed");
154 if (pthread_barrier_init (&b2
, NULL
, 2) != 0)
156 puts ("2nd barrier_init failed");
161 if (pthread_create (&th
, NULL
, tf
, NULL
) != 0)
163 puts ("create failed");
167 r
= pthread_barrier_wait (&b2
);
168 if (r
!= 0 && r
!= PTHREAD_BARRIER_SERIAL_THREAD
)
170 puts ("main: 2nd barrier_wait failed");
177 if (pthread_cancel (th
) != 0)
179 puts ("cancel failed");
184 if (pthread_join (th
, &result
) != 0)
186 puts ("join failed");
189 if (result
!= PTHREAD_CANCELED
)
191 puts ("thread not canceled");
196 puts ("cleanup handler not called");
200 r
= pthread_barrier_wait (b
);
201 if (r
!= 0 && r
!= PTHREAD_BARRIER_SERIAL_THREAD
)
203 puts ("main: 3rd barrier_wait failed");
208 if (TEMP_FAILURE_RETRY (waitpid (pid
, &status
, 0)) != pid
)
210 puts ("waitpid failed");
213 if (WEXITSTATUS (status
) != 0)
215 printf ("child process exits with %d\n", WEXITSTATUS (status
));
219 if (lockf (fd
, F_LOCK
, 0) != 0)
221 puts ("main: lockf failed");
228 #define TEST_FUNCTION do_test ()
229 #include "../test-skeleton.c"