libc
/* $Id$ */
/* Copyright (c) 2012-2014 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System libc */
/* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <sys/resource.h>
#include <stdio.h>
/* resource */
/* error */
static int _error(char const * message, int ret)
{
fputs("resource: ", stderr);
perror(message);
return ret;
}
/* main */
int main(void)
{
int ret = 0;
int limits[] =
{
#ifdef RLIMIT_CPU
RLIMIT_CPU,
#endif
#ifdef RLIMIT_FSIZE
RLIMIT_FSIZE,
#endif
#ifdef RLIMIT_DATA
RLIMIT_DATA,
#endif
#ifdef RLIMIT_STACK
RLIMIT_STACK,
#endif
#ifdef RLIMIT_CORE
RLIMIT_CORE,
#endif
#ifdef RLIMIT_RSS
RLIMIT_RSS,
#endif
#ifdef RLIMIT_MEMLOCK
RLIMIT_MEMLOCK,
#endif
#ifdef RLIMIT_NPROC
RLIMIT_NPROC,
#endif
#ifdef RLIMIT_NOFILE
RLIMIT_NOFILE,
#endif
#ifdef RLIMIT_AS
RLIMIT_AS,
#endif
-1
};
size_t i;
struct rlimit rl;
for(i = 0; limits[i] != -1; i++)
{
if(getrlimit(limits[i], &rl) != 0)
{
ret |= _error("getrlimit", 2);
continue;
}
printf("%d: %lld (%lld)\n", limits[i], rl.rlim_cur,
rl.rlim_max);
if(setrlimit(limits[i], &rl) != 0)
ret |= _error("setrlimit", 3);
}
if(i == 0)
/* at least one value should be supported */
ret = 4;
return ret;
}