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96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/* Copyright (C) 2004-2020 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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<https://www.gnu.org/licenses/>. */
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#include <sched.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <tst-stack-align.h>
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#include <stackinfo.h>
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static int
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f (void *arg)
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{
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bool ok = true;
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puts ("in f");
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if (TEST_STACK_ALIGN ())
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ok = false;
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return ok ? 0 : 1;
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}
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static int
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do_test (void)
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{
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bool ok = true;
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puts ("in main");
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if (TEST_STACK_ALIGN ())
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ok = false;
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#ifdef __ia64__
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extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
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size_t __child_stack_size, int __flags,
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void *__arg, ...);
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char st[256 * 1024];
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pid_t p = __clone2 (f, st, sizeof (st), 0, 0);
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#else
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char st[128 * 1024] __attribute__ ((aligned));
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# if _STACK_GROWS_DOWN
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pid_t p = clone (f, st + sizeof (st), 0, 0);
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# elif _STACK_GROWS_UP
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pid_t p = clone (f, st, 0, 0);
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# else
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# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
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# endif
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#endif
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if (p == -1)
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{
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printf("clone failed: %m\n");
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return 1;
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}
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int e;
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if (waitpid (p, &e, __WCLONE) != p)
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{
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puts ("waitpid failed");
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kill (p, SIGKILL);
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return 1;
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}
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if (!WIFEXITED (e))
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{
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if (WIFSIGNALED (e))
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printf ("died from signal %s\n", strsignal (WTERMSIG (e)));
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else
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puts ("did not terminate correctly");
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return 1;
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}
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if (WEXITSTATUS (e) != 0)
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ok = false;
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return ok ? 0 : 1;
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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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