mirror of git://sourceware.org/git/glibc.git
123 lines
2.4 KiB
C
123 lines
2.4 KiB
C
/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if HAVE___THREAD
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struct test_s
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{
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int a;
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int b;
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};
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#define INIT_A 1
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#define INIT_B 42
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/* Deliberately not static. */
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__thread struct test_s s __attribute__ ((tls_model ("initial-exec"))) =
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{
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.a = INIT_A,
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.b = INIT_B
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};
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static void *
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tf (void *arg)
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{
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if (s.a != INIT_A || s.b != INIT_B)
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{
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puts ("initial value of s in child thread wrong");
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exit (1);
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}
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++s.a;
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return NULL;
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}
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#endif
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int
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do_test (void)
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{
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#if !HAVE___THREAD
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puts ("No __thread support in compiler, test skipped.");
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return 0;
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#else
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if (s.a != INIT_A || s.b != INIT_B)
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{
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puts ("initial value of s in main thread wrong");
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exit (1);
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}
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pthread_attr_t a;
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if (pthread_attr_init (&a) != 0)
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{
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puts ("attr_init failed");
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exit (1);
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}
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if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
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{
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puts ("attr_setstacksize failed");
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return 1;
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}
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#define N 10
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int i;
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for (i = 0; i < N; ++i)
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{
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#define M 10
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pthread_t th[M];
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int j;
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for (j = 0; j < M; ++j, ++s.a)
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if (pthread_create (&th[j], &a, tf, NULL) != 0)
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{
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puts ("pthread_create failed");
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exit (1);
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}
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for (j = 0; j < M; ++j)
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if (pthread_join (th[j], NULL) != 0)
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{
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puts ("pthread_join failed");
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exit (1);
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}
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}
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if (pthread_attr_destroy (&a) != 0)
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{
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puts ("attr_destroy failed");
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exit (1);
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}
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return 0;
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#endif
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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