1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205
|
/* Copyright (C) 2003-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <semaphore.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#define N 10
static pthread_t th[N];
#define CB(n) \
static void \
cb##n (void) \
{ \
if (th[n] != pthread_self ()) \
{ \
write (STDOUT_FILENO, "wrong callback\n", 15); \
_exit (1); \
} \
}
CB (0)
CB (1)
CB (2)
CB (3)
CB (4)
CB (5)
CB (6)
CB (7)
CB (8)
CB (9)
static void (*cbs[]) (void) =
{
cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9
};
static __thread void (*fp) (void) __attribute__ ((tls_model ("local-exec")));
static sem_t s;
#define THE_SIG SIGUSR1
static void
handler (int sig)
{
if (sig != THE_SIG)
{
write (STDOUT_FILENO, "wrong signal\n", 13);
_exit (1);
}
fp ();
if (sem_post (&s) != 0)
{
write (STDOUT_FILENO, "sem_post failed\n", 16);
_exit (1);
}
}
static pthread_barrier_t b;
#define TOTAL_SIGS 1000
static int nsigs;
static void *
tf (void *arg)
{
fp = arg;
pthread_barrier_wait (&b);
pthread_barrier_wait (&b);
if (nsigs != TOTAL_SIGS)
{
puts ("barrier_wait prematurely returns");
exit (1);
}
return NULL;
}
int
do_test (void)
{
if (pthread_barrier_init (&b, NULL, N + 1) != 0)
{
puts ("barrier_init failed");
exit (1);
}
if (sem_init (&s, 0, 0) != 0)
{
puts ("sem_init failed");
exit (1);
}
struct sigaction sa;
sa.sa_handler = handler;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
if (sigaction (THE_SIG, &sa, NULL) != 0)
{
puts ("sigaction failed");
exit (1);
}
pthread_attr_t a;
if (pthread_attr_init (&a) != 0)
{
puts ("attr_init failed");
exit (1);
}
if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
{
puts ("attr_setstacksize failed");
return 1;
}
int i;
for (i = 0; i < N; ++i)
if (pthread_create (&th[i], &a, tf, cbs[i]) != 0)
{
puts ("pthread_create failed");
exit (1);
}
if (pthread_attr_destroy (&a) != 0)
{
puts ("attr_destroy failed");
exit (1);
}
pthread_barrier_wait (&b);
sigset_t ss;
sigemptyset (&ss);
sigaddset (&ss, THE_SIG);
if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
{
puts ("pthread_sigmask failed");
exit (1);
}
/* Start sending signals. */
for (i = 0; i < TOTAL_SIGS; ++i)
{
if (kill (getpid (), THE_SIG) != 0)
{
puts ("kill failed");
exit (1);
}
if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0)
{
puts ("sem_wait failed");
exit (1);
}
++nsigs;
}
pthread_barrier_wait (&b);
for (i = 0; i < N; ++i)
if (pthread_join (th[i], NULL) != 0)
{
puts ("join failed");
exit (1);
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|