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/* 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;
}
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