glibc/nptl/tst-oddstacklimit.c

73 lines
2.0 KiB
C
Raw Normal View History

/* Test NPTL with stack limit that is not a multiple of the page size.
Copyright (C) 2012-2013 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 <stdio.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/wait.h>
/* This sets the stack resource limit to 1023kb, which is not a multiple
of the page size since every architecture's page size is > 1k. */
#ifndef ODD_STACK_LIMIT
# define ODD_STACK_LIMIT (1023 * 1024)
#endif
static const char *command;
static int
do_test (void)
{
int ret;
struct rlimit rlim;
ret = getrlimit (RLIMIT_STACK, &rlim);
if (ret != 0)
{
printf ("getrlimit failed: %s\n", strerror (errno));
return 1;
}
rlim.rlim_cur = ODD_STACK_LIMIT;
ret = setrlimit (RLIMIT_STACK, &rlim);
if (ret != 0)
{
printf ("setrlimit failed: %s\n", strerror (errno));
return 1;
}
ret = system (command);
if (ret == -1)
{
printf ("system failed: %s\n", strerror (errno));
return 1;
}
if (WIFEXITED (ret))
return WEXITSTATUS (ret);
else
return 1;
}
#define OPT_COMMAND 10000
#define CMDLINE_OPTIONS \
{ "command", required_argument, NULL, OPT_COMMAND },
#define CMDLINE_PROCESS \
case OPT_COMMAND: \
command = optarg; \
break;
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"