[unix-history] / usr / src / lib / libcompat / 4.1 / vlimit.c

/*	vlimit.c	4.2	83/06/20	*/

/*
 * (Almost) backwards compatible vlimit.
 */
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>

/* LIM_NORAISE is not emulated */
#define	LIM_NORAISE	0	/* if <> 0, can't raise limits */
#define	LIM_CPU		1	/* max secs cpu time */
#define	LIM_FSIZE	2	/* max size of file created */
#define	LIM_DATA	3	/* max growth of data space */
#define	LIM_STACK	4	/* max growth of stack */
#define	LIM_CORE	5	/* max size of ``core'' file */
#define	LIM_MAXRSS	6	/* max desired data+stack core usage */

#define	NLIMITS		6

vlimit(limit, value)
	int limit, value;
{
	struct rlimit rlim;

	if (limit <= 0 || limit > NLIMITS)
		return (EINVAL);
	if (value == -1) {
		if (getrlimit(limit - 1, &rlim) < 0)
			return (-1);
		return (rlim.rlim_cur);
	}
	rlim.rlim_cur = value;
	rlim.rlim_max = RLIM_INFINITY;
	return (setrlimit(limit - 1, &rlim));
}
Commit	Line	Data
ed4a8563	1	/* vlimit.c 4.2 83/06/20 */
611c3c29 SL	2
	3	/*
	4	* (Almost) backwards compatible vlimit.
	5	*/
ed4a8563	6	#include <sys/time.h>
611c3c29	7	#include <sys/resource.h>
ed4a8563	8	#include <errno.h>
611c3c29 SL	9
	10	/* LIM_NORAISE is not emulated */
	11	#define LIM_NORAISE 0 /* if <> 0, can't raise limits */
	12	#define LIM_CPU 1 /* max secs cpu time */
	13	#define LIM_FSIZE 2 /* max size of file created */
	14	#define LIM_DATA 3 /* max growth of data space */
	15	#define LIM_STACK 4 /* max growth of stack */
	16	#define LIM_CORE 5 /* max size of ``core'' file */
	17	#define LIM_MAXRSS 6 /* max desired data+stack core usage */
	18
	19	#define NLIMITS 6
	20
	21	vlimit(limit, value)
	22	int limit, value;
	23	{
	24	struct rlimit rlim;
	25
	26	if (limit <= 0 \|\| limit > NLIMITS)
	27	return (EINVAL);
	28	if (value == -1) {
	29	if (getrlimit(limit - 1, &rlim) < 0)
	30	return (-1);
	31	return (rlim.rlim_cur);
	32	}
	33	rlim.rlim_cur = value;
	34	rlim.rlim_max = RLIM_INFINITY;
	35	return (setrlimit(limit - 1, &rlim));
	36	}