1 /* Copyright (C) 2004-2023 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/>. */
26 pthread_cond_t cv
= PTHREAD_COND_INITIALIZER
;
27 pthread_mutex_t lock
= PTHREAD_MUTEX_INITIALIZER
;
30 enum { count
= 8 }; /* Number of worker threads. */
39 pthread_mutex_lock (&lock
);
41 pthread_cond_wait (&cv
, &lock
);
43 pthread_mutex_unlock (&lock
);
47 pthread_mutex_lock (&lock
);
51 #ifdef UNLOCK_AFTER_BROADCAST
52 pthread_cond_broadcast (&cv
);
53 pthread_mutex_unlock (&lock
);
55 pthread_mutex_unlock (&lock
);
56 pthread_cond_broadcast (&cv
);
66 f
= fopen ("/dev/null", "w");
69 printf ("couldn't open /dev/null, %m\n");
76 pthread_attr_init (&attr
);
77 sz
= sysconf (_SC_PAGESIZE
);
78 #ifdef PTHREAD_STACK_MIN
79 if (sz
< PTHREAD_STACK_MIN
)
80 sz
= PTHREAD_STACK_MIN
;
82 pthread_attr_setstacksize (&attr
, sz
);
83 for (i
= 0; i
< count
; ++i
)
84 if ((ret
= pthread_create (&th
[i
], &attr
, tf
, NULL
)) != 0)
87 printf ("pthread_create %d failed: %m\n", i
);
91 struct timespec ts
= { .tv_sec
= 20, .tv_nsec
= 0 };
92 while (nanosleep (&ts
, &ts
) != 0);
94 pthread_mutex_lock (&lock
);
96 pthread_mutex_unlock (&lock
);
98 for (i
= 0; i
< count
; ++i
)
99 pthread_join (th
[i
], NULL
);
105 #define TEST_FUNCTION do_test ()
107 #include "../test-skeleton.c"