56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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/* getrlimit Author: Erik van der Kouwe
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* query resource consumtion limits 4 December 2009
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*
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* Based on these specifications:
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* http://www.opengroup.org/onlinepubs/007908775/xsh/getdtablesize.html
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* http://www.opengroup.org/onlinepubs/007908775/xsh/getrlimit.html
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*/
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#include <sys/cdefs.h>
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#include "namespace.h"
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#include <errno.h>
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#include <limits.h>
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#include <sys/resource.h>
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#include <unistd.h>
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int getrlimit(int resource, struct rlimit *rlp)
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{
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rlim_t limit;
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switch (resource)
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{
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case RLIMIT_CPU:
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case RLIMIT_FSIZE:
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case RLIMIT_DATA:
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case RLIMIT_STACK:
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case RLIMIT_CORE:
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case RLIMIT_RSS:
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case RLIMIT_MEMLOCK:
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case RLIMIT_NPROC:
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case RLIMIT_SBSIZE:
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case RLIMIT_AS:
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/* case RLIMIT_VMEM: Same as RLIMIT_AS */
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case RLIMIT_NTHR:
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/* no limit enforced (however architectural limits
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* may apply)
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*/
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limit = RLIM_INFINITY;
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break;
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case RLIMIT_NOFILE:
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limit = OPEN_MAX;
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break;
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default:
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errno = EINVAL;
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return -1;
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}
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/* return limit */
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rlp->rlim_cur = limit;
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rlp->rlim_max = limit;
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return 0;
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}
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