| /* Copyright (C) 2003-2014 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 <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); |
| } |
| |
| 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; |
| } |
| |
| #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], &a, 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); |
| } |
| } |
| |
| if (pthread_attr_destroy (&a) != 0) |
| { |
| puts ("attr_destroy failed"); |
| exit (1); |
| } |
| |
| return 0; |
| } |
| |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |