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

/*	vlimit.c	4.1	83/06/20	*/

/*
 * (Almost) backwards compatible vlimit.
 */
#include <sys/resource.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
611c3c29 SL	1	/* vlimit.c 4.1 83/06/20 */
	2
	3	/*
	4	* (Almost) backwards compatible vlimit.
	5	*/
	6	#include <sys/resource.h>
	7
	8	/* LIM_NORAISE is not emulated */
	9	#define LIM_NORAISE 0 /* if <> 0, can't raise limits */
	10	#define LIM_CPU 1 /* max secs cpu time */
	11	#define LIM_FSIZE 2 /* max size of file created */
	12	#define LIM_DATA 3 /* max growth of data space */
	13	#define LIM_STACK 4 /* max growth of stack */
	14	#define LIM_CORE 5 /* max size of ``core'' file */
	15	#define LIM_MAXRSS 6 /* max desired data+stack core usage */
	16
	17	#define NLIMITS 6
	18
	19	vlimit(limit, value)
	20	int limit, value;
	21	{
	22	struct rlimit rlim;
	23
	24	if (limit <= 0 \|\| limit > NLIMITS)
	25	return (EINVAL);
	26	if (value == -1) {
	27	if (getrlimit(limit - 1, &rlim) < 0)
	28	return (-1);
	29	return (rlim.rlim_cur);
	30	}
	31	rlim.rlim_cur = value;
	32	rlim.rlim_max = RLIM_INFINITY;
	33	return (setrlimit(limit - 1, &rlim));
	34	}