1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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 <http://www.gnu.org/licenses/>. */
20 #include <semaphore.h>
26 #include <pthreaddef.h>
31 static pthread_barrier_t* b = NULL;
33 #define TOTAL_SIGS 1000
34 static int* nsigs = NULL;
36 static sem_t* s = NULL;
38 static __thread void (*fp) (void);
41 #define THE_SIG SIGUSR1
47 write (STDOUT_FILENO, "wrong signal\n", 13);
53 if (sem_post (s) != 0)
55 write (STDOUT_FILENO, "sem_post failed\n", 16);
61 setup_tf (pthread_barrier_t* t_b, int* t_nsigs, sem_t* t_s)
71 if (!b || !s || !nsigs)
73 puts ("need to call setup_tf first");
77 if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1))
79 puts ("thread's struct pthread not aligned enough");
85 printf("fp=%p\n", (void *)&fp);
86 puts ("fp not initially NULL");
92 pthread_barrier_wait (b);
94 pthread_barrier_wait (b);
96 if (*nsigs != TOTAL_SIGS)
98 puts ("barrier_wait prematurely returns");