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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /stdlib/tst-makecontext.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'stdlib/tst-makecontext.c')
-rw-r--r--stdlib/tst-makecontext.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/stdlib/tst-makecontext.c b/stdlib/tst-makecontext.c
new file mode 100644
index 0000000..1451efa
--- /dev/null
+++ b/stdlib/tst-makecontext.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ucontext.h>
+
+ucontext_t ucp;
+char st1[8192];
+__thread int thr;
+
+void
+cf (int i)
+{
+ if (i != 78 || thr != 94)
+ {
+ printf ("i %d thr %d\n", i, thr);
+ exit (1);
+ }
+ exit (0);
+}
+
+int
+do_test (void)
+{
+ if (getcontext (&ucp) != 0)
+ {
+ if (errno == ENOSYS)
+ {
+ puts ("context handling not supported");
+ return 0;
+ }
+
+ puts ("getcontext failed");
+ return 1;
+ }
+ thr = 94;
+ ucp.uc_link = NULL;
+ ucp.uc_stack.ss_sp = st1;
+ ucp.uc_stack.ss_size = sizeof st1;
+ makecontext (&ucp, (void (*) (void)) cf, 1, 78);
+ if (setcontext (&ucp) != 0)
+ {
+ puts ("setcontext failed");
+ return 1;
+ }
+ return 2;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"