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72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* Copyright (C) 2006-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ucontext.h>
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ucontext_t ucp;
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char st1[8192];
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__thread int thr;
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int somevar = -76;
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long othervar = -78L;
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void
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cf (int i)
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{
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if (i != othervar || thr != 94)
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{
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printf ("i %d thr %d\n", i, thr);
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exit (1);
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}
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/* Since uc_link below has been set to NULL, setcontext is supposed to
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terminate the process normally after this function returns. */
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}
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int
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do_test (void)
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{
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if (getcontext (&ucp) != 0)
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{
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if (errno == ENOSYS)
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{
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puts ("context handling not supported");
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return 0;
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}
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puts ("getcontext failed");
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return 1;
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}
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thr = 94;
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ucp.uc_link = NULL;
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ucp.uc_stack.ss_sp = st1;
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ucp.uc_stack.ss_size = sizeof st1;
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makecontext (&ucp, (void (*) (void)) cf, 1, somevar - 2);
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if (setcontext (&ucp) != 0)
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{
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puts ("setcontext failed");
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return 1;
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}
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return 2;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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