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Diffstat (limited to 'nptl/tst-tls1.c')
-rw-r--r-- | nptl/tst-tls1.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/nptl/tst-tls1.c b/nptl/tst-tls1.c new file mode 100644 index 0000000000..86b3e6eb16 --- /dev/null +++ b/nptl/tst-tls1.c @@ -0,0 +1,92 @@ +/* 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" |