/* getrlimit Author: Erik van der Kouwe

* query resource consumtion limits 4 December 2009

*

* Based on these specifications:

* http://www.opengroup.org/onlinepubs/007908775/xsh/getdtablesize.html

* http://www.opengroup.org/onlinepubs/007908775/xsh/getrlimit.html

*/

#include <sys/cdefs.h>

#include "namespace.h"

#include <errno.h>

#include <limits.h>

#include <sys/resource.h>

#include <unistd.h>

int getrlimit(int resource, struct rlimit *rlp)

{

rlim_t limit;

switch (resource)

{

case RLIMIT_CPU:

case RLIMIT_FSIZE:

case RLIMIT_DATA:

case RLIMIT_STACK:

case RLIMIT_CORE:

case RLIMIT_RSS:

case RLIMIT_MEMLOCK:

case RLIMIT_SBSIZE:

case RLIMIT_AS:

/* case RLIMIT_VMEM: Same as RLIMIT_AS */

case RLIMIT_NTHR:

/* no limit enforced (however architectural limits

* may apply)

*/

limit = RLIM_INFINITY;

break;

case RLIMIT_NPROC:

limit = CHILD_MAX;

break;

case RLIMIT_NOFILE:

limit = OPEN_MAX;

break;

default:

errno = EINVAL;

return -1;

}

/* return limit */

rlp->rlim_cur = limit;

rlp->rlim_max = limit;

return 0;

}