1 /* Copyright (C) 2002-2019 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, see
17 <https://www.gnu.org/licenses/>. */
28 static pthread_t th
[N
];
29 static pthread_mutex_t lock
[N
];
32 static void *tf (void *a
)
34 uintptr_t idx
= (uintptr_t) a
;
36 pthread_mutex_lock (&lock
[idx
]);
38 return pthread_equal (pthread_self (), th
[idx
]) ? NULL
: (void *) 1l;
45 if (pthread_equal (pthread_self (), pthread_self ()) == 0)
47 puts ("pthread_equal (pthread_self (), pthread_self ()) failed");
53 if (pthread_attr_init (&at
) != 0)
55 puts ("attr_init failed");
59 if (pthread_attr_setstacksize (&at
, 1 * 1024 * 1024) != 0)
61 puts ("attr_setstacksize failed");
66 for (i
= 0; i
< N
; ++i
)
68 if (pthread_mutex_init (&lock
[i
], NULL
) != 0)
70 puts ("mutex_init failed");
74 if (pthread_mutex_lock (&lock
[i
]) != 0)
76 puts ("mutex_lock failed");
80 if (pthread_create (&th
[i
], &at
, tf
, (void *) (long int) i
) != 0)
82 puts ("create failed");
86 if (pthread_mutex_unlock (&lock
[i
]) != 0)
88 puts ("mutex_unlock failed");
92 printf ("created thread %d\n", i
);
95 if (pthread_attr_destroy (&at
) != 0)
97 puts ("attr_destroy failed");
102 for (i
= 0; i
< N
; ++i
)
106 if ((e
= pthread_join (th
[i
], &r
)) != 0)
108 printf ("join failed: %d\n", e
);
119 #define TEST_FUNCTION do_test ()
120 #include "../test-skeleton.c"