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/* Copyright (C) 2006-2015 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, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <ucontext.h>
ucontext_t ucp;
char st1[8192];
__thread int thr;
int somevar = -76;
long othervar = -78L;
void
cf (int i)
{
if (i != othervar || thr != 94)
{
printf ("i %d thr %d\n", i, thr);
exit (1);
}
/* Since uc_link below has been set to NULL, setcontext is supposed to
terminate the process normally after this function returns. */
}
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, somevar - 2);
if (setcontext (&ucp) != 0)
{
puts ("setcontext failed");
return 1;
}
return 2;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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