1 /* Copyright (C) 2002-2023 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/>. */
25 static pthread_mutex_t m1
= PTHREAD_MUTEX_INITIALIZER
;
26 static pthread_mutex_t m2
= PTHREAD_MUTEX_INITIALIZER
;
34 if (arg
!= (void *) 42l)
44 /* Ignore all signals. This must not have any effect on delivering
45 the cancellation signal. */
50 if (pthread_sigmask (SIG_BLOCK
, &ss
, NULL
) != 0)
52 puts ("pthread_sigmask failed");
56 pthread_cleanup_push (cleanup
, (void *) 42l);
58 int err
= pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS
, NULL
);
61 printf ("setcanceltype failed: %s\n", strerror (err
));
64 /* The following code is not standard compliant: the mutex functions
65 must not be called with asynchronous cancellation enabled. */
67 err
= pthread_mutex_unlock (&m2
);
70 printf ("child: mutex_unlock failed: %s\n", strerror (err
));
74 err
= pthread_mutex_lock (&m1
);
77 printf ("child: 1st mutex_lock failed: %s\n", strerror (err
));
81 /* We should never come here. */
83 pthread_cleanup_pop (0);
97 /* Get the mutexes. */
98 err
= pthread_mutex_lock (&m1
);
101 printf ("parent: 1st mutex_lock failed: %s\n", strerror (err
));
104 err
= pthread_mutex_lock (&m2
);
107 printf ("parent: 2nd mutex_lock failed: %s\n", strerror (err
));
111 err
= pthread_create (&th
, NULL
, tf
, NULL
);
114 printf ("create failed: %s\n", strerror (err
));
118 err
= pthread_mutex_lock (&m2
);
121 printf ("parent: 3rd mutex_lock failed: %s\n", strerror (err
));
125 err
= pthread_cancel (th
);
128 printf ("cancel failed: %s\n", strerror (err
));
132 err
= pthread_join (th
, &retval
);
135 printf ("join failed: %s\n", strerror (err
));
139 if (retval
!= PTHREAD_CANCELED
)
141 printf ("wrong return value: %p\n", retval
);
147 puts ("cleanup handler called with wrong argument");
152 puts ("cleanup handling not called");
160 #define TEST_FUNCTION do_test ()
161 #include "../test-skeleton.c"