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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
4
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.
9
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.
14
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/>. */
18
19#include <pthread.h>
20#include <semaphore.h>
21#include <signal.h>
22#include <stdint.h>
23#include <stdio.h>
24#include <stdlib.h>
25#include <unistd.h>
26#include <pthreaddef.h>
27
28
29extern pthread_barrier_t b;
30
31#define TOTAL_SIGS 1000
32extern int nsigs;
33
34extern sem_t s;
35
36
37static __thread void (*fp) (void);
38
39
40#define THE_SIG SIGUSR1
41void
42handler (int sig)
43{
44 if (sig != THE_SIG)
45 {
46 write (STDOUT_FILENO, "wrong signal\n", 13);
47 _exit (1);
48 }
49
50 fp ();
51
52 if (sem_post (&s) != 0)
53 {
54 write (STDOUT_FILENO, "sem_post failed\n", 16);
55 _exit (1);
56 }
57}
58
59
60void *
61tf (void *arg)
62{
63 if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1))
64 {
65 puts ("thread's struct pthread not aligned enough");
66 exit (1);
67 }
68
69 if (fp != NULL)
70 {
71 puts ("fp not initially NULL");
72 exit (1);
73 }
74
75 fp = arg;
76
77 pthread_barrier_wait (&b);
78
79 pthread_barrier_wait (&b);
80
81 if (nsigs != TOTAL_SIGS)
82 {
83 puts ("barrier_wait prematurely returns");
84 exit (1);
85 }
86
87 return NULL;
88}
89

Warning: That file was not part of the compilation database. It may have many parsing errors.