/* Copyright (C) 2003, 2004 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> #include <tls.h> #if HAVE___THREAD 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; } #endif int do_test (void) { #if !HAVE___THREAD puts ("No __thread support in compiler, test skipped."); return 0; #else 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; #endif } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"