glibc/nptl/tst-tls1.c
Ulrich Drepper 5e47b76b50 Update.
* Makefile (tests): Add tst-tls1 and tst-tls2.
	* tst-tls1.c: New file.
	* tst-tls2.c: New file.
2003-02-24 03:50:46 +00:00

93 lines
1.9 KiB
C

/* Copyright (C) 2003 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
struct test_s
{
int a;
int b;
};
#define INIT_A 1
#define INIT_B 42
/* Deliberately not static. */
__thread struct test_s s __attribute__ ((tls_model ("initial-exec"))) =
{
.a = INIT_A,
.b = INIT_B
};
static void *
tf (void *arg)
{
if (s.a != INIT_A || s.b != INIT_B)
{
puts ("initial value of s in child thread wrong");
exit (1);
}
++s.a;
return NULL;
}
int
do_test (void)
{
if (s.a != INIT_A || s.b != INIT_B)
{
puts ("initial value of s in main thread wrong");
exit (1);
}
#define N 10
int i;
for (i = 0; i < N; ++i)
{
#define M 10
pthread_t th[M];
int j;
for (j = 0; j < M; ++j, ++s.a)
if (pthread_create (&th[j], NULL, tf, NULL) != 0)
{
puts ("pthread_create failed");
exit (1);
}
for (j = 0; j < M; ++j)
if (pthread_join (th[j], NULL) != 0)
{
puts ("pthread_join failed");
exit (1);
}
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"