Fix syslog dprintf namespace (bug 18534).
[glibc.git] / stdlib / tst-makecontext.c
blob29a588e5885bad9aeb02fb8e330fef4cf144e65a
1 /* Copyright (C) 2006-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <stdlib.h>
20 #include <stdio.h>
21 #include <ucontext.h>
23 ucontext_t ucp;
24 char st1[8192];
25 __thread int thr;
27 int somevar = -76;
28 long othervar = -78L;
30 void
31 cf (int i)
33 if (i != othervar || thr != 94)
35 printf ("i %d thr %d\n", i, thr);
36 exit (1);
39 /* Since uc_link below has been set to NULL, setcontext is supposed to
40 terminate the process normally after this function returns. */
43 int
44 do_test (void)
46 if (getcontext (&ucp) != 0)
48 if (errno == ENOSYS)
50 puts ("context handling not supported");
51 return 0;
54 puts ("getcontext failed");
55 return 1;
57 thr = 94;
58 ucp.uc_link = NULL;
59 ucp.uc_stack.ss_sp = st1;
60 ucp.uc_stack.ss_size = sizeof st1;
61 makecontext (&ucp, (void (*) (void)) cf, 1, somevar - 2);
62 if (setcontext (&ucp) != 0)
64 puts ("setcontext failed");
65 return 1;
67 return 2;
70 #define TEST_FUNCTION do_test ()
71 #include "../test-skeleton.c"