Optimize for kernels which are known to have the vfork syscall.
[glibc/pb-stable.git] / nptl / tst-mutex3.c
blobc6c75ca0aa3fae661270c2fb2c600d44a6240095
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <errno.h>
21 #include <pthread.h>
22 #include <stdio.h>
25 static int
26 do_test (void)
28 pthread_mutex_t m;
29 pthread_mutexattr_t a;
31 if (pthread_mutexattr_init (&a) != 0)
33 puts ("mutexattr_init failed");
34 return 1;
37 if (pthread_mutexattr_settype (&a, PTHREAD_MUTEX_RECURSIVE) != 0)
39 puts ("mutexattr_settype failed");
40 return 1;
43 if (pthread_mutex_init (&m, &a) != 0)
45 puts ("mutex_init failed");
46 return 1;
49 if (pthread_mutex_lock (&m) != 0)
51 puts ("mutex_lock failed");
52 return 1;
55 if (pthread_mutex_lock (&m) != 0)
57 puts ("2nd mutex_lock failed");
58 return 1;
61 if (pthread_mutex_unlock (&m) != 0)
63 puts ("mutex_unlock failed");
64 return 1;
67 if (pthread_mutex_unlock (&m) != 0)
69 puts ("2nd mutex_unlock failed");
70 return 1;
73 if (pthread_mutex_destroy (&m) != 0)
75 puts ("mutex_destroy failed");
76 return 1;
79 if (pthread_mutexattr_destroy (&a) != 0)
81 puts ("mutexattr_destroy failed");
82 return 1;
85 return 0;
88 #define TEST_FUNCTION do_test ()
89 #include "../test-skeleton.c"