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/* Test of getter for RLIMIT_DATA.
Copyright (C) 2011-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include "resource-ext.h"
#include <stdio.h>
#include <stdlib.h>
#include "qemu.h"
#include "macros.h"
void *memchunk1;
void *memchunk2;
int
main ()
{
uintptr_t value1, value2, value3;
value1 = get_rusage_data ();
memchunk1 = malloc (0x88);
value2 = get_rusage_data ();
memchunk2 = malloc (0x281237);
value3 = get_rusage_data ();
if (value1 == 0 && value2 == 0 && value3 == 0)
{
fprintf (stderr, "Skipping test: no way to determine data segment size\n");
return 77;
}
else if (is_running_under_qemu_user ())
{
fprintf (stderr, "Skipping test: running under QEMU\n");
return 77;
}
else
{
/* The data segment size is positive, except possibly at the beginning. */
ASSERT (value2 > 0);
/* Allocating memory should not decrease the data segment size. */
ASSERT (value2 >= value1);
ASSERT (value3 >= value2);
#if !(__GLIBC__ == 2 || MUSL_LIBC || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __OpenBSD__ || defined _WIN32 || defined __CYGWIN__)
/* Allocating 2.5 MB of memory should increase the data segment size. */
ASSERT (value3 > value1);
#endif
return 0;
}
}
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