50 lines
960 B
C
50 lines
960 B
C
|
/* 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_CORE:
|
||
|
|
case RLIMIT_CPU:
|
||
|
|
case RLIMIT_DATA:
|
||
|
|
case RLIMIT_FSIZE:
|
||
|
|
case RLIMIT_STACK:
|
||
|
|
case RLIMIT_AS:
|
||
|
|
/* no limit enforced (however architectural limits
|
||
|
|
* may apply)
|
||
|
|
*/
|
||
|
|
limit = RLIM_INFINITY;
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|