1 /* Copyright (C) 2004-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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/>. */
27 pthread_cond_t cv
= PTHREAD_COND_INITIALIZER
;
28 pthread_mutex_t lock
= PTHREAD_MUTEX_INITIALIZER
;
31 enum { count
= 8 }; /* Number of worker threads. */
40 pthread_mutex_lock (&lock
);
42 pthread_cond_wait (&cv
, &lock
);
44 pthread_mutex_unlock (&lock
);
48 pthread_mutex_lock (&lock
);
52 #ifdef UNLOCK_AFTER_BROADCAST
53 pthread_cond_broadcast (&cv
);
54 pthread_mutex_unlock (&lock
);
56 pthread_mutex_unlock (&lock
);
57 pthread_cond_broadcast (&cv
);
67 f
= fopen ("/dev/null", "w");
70 printf ("couldn't open /dev/null, %m\n");
77 pthread_attr_init (&attr
);
78 sz
= sysconf (_SC_PAGESIZE
);
79 if (sz
< PTHREAD_STACK_MIN
)
80 sz
= PTHREAD_STACK_MIN
;
81 pthread_attr_setstacksize (&attr
, sz
);
82 for (i
= 0; i
< count
; ++i
)
83 if ((ret
= pthread_create (&th
[i
], &attr
, tf
, NULL
)) != 0)
86 printf ("pthread_create %d failed: %m\n", i
);
90 struct timespec ts
= { .tv_sec
= 20, .tv_nsec
= 0 };
91 while (nanosleep (&ts
, &ts
) != 0);
93 pthread_mutex_lock (&lock
);
95 pthread_mutex_unlock (&lock
);
97 for (i
= 0; i
< count
; ++i
)
98 pthread_join (th
[i
], NULL
);
104 #define TEST_FUNCTION do_test ()
106 #include "../test-skeleton.c"