summaryrefslogtreecommitdiff
path: root/test/nptl/tst-tls1.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/nptl/tst-tls1.c')
-rw-r--r--test/nptl/tst-tls1.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/test/nptl/tst-tls1.c b/test/nptl/tst-tls1.c
new file mode 100644
index 0000000..a7cf8f4
--- /dev/null
+++ b/test/nptl/tst-tls1.c
@@ -0,0 +1,121 @@
+/* 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"