ulimit.h   [plain text]

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1982-2011 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                  David Korn <dgk@research.att.com>                   *
*                                                                      *
***********************************************************************/
#pragma prototyped
#ifndef _ULIMIT_H
#define _ULIMIT_H 1
/*
 * This is for the ulimit built-in command
 */

#include	"FEATURE/time"
#include	"FEATURE/rlimits"
#if defined(_sys_resource) && defined(_lib_getrlimit)
#   include	<sys/resource.h>
#   if !defined(RLIMIT_FSIZE) && defined(_sys_vlimit)
	/* This handles hp/ux problem */ 
#	include	<sys/vlimit.h>
#	define RLIMIT_FSIZE	(LIM_FSIZE-1)
#	define RLIMIT_DATA	(LIM_DATA-1)
#	define RLIMIT_STACK	(LIM_STACK-1)
#	define RLIMIT_CORE	(LIM_CORE-1)
#	define RLIMIT_CPU	(LIM_CPU-1)
#	ifdef LIM_MAXRSS
#		define RLIMIT_RSS       (LIM_MAXRSS-1)
#	endif /* LIM_MAXRSS */
#   endif
#   undef _lib_ulimit
#else
#   ifdef _sys_vlimit
#	include	<sys/vlimit.h>
#	undef _lib_ulimit
#	define RLIMIT_FSIZE	LIM_FSIZE
#	define RLIMIT_DATA	LIM_DATA
#	define RLIMIT_STACK	LIM_STACK
#	define RLIMIT_CORE	LIM_CORE
#	define RLIMIT_CPU	LIM_CPU
#	ifdef LIM_MAXRSS
#		define RLIMIT_RSS       LIM_MAXRSS
#	endif /* LIM_MAXRSS */
#   else
#	ifdef _lib_ulimit
#	    define vlimit ulimit
#	endif /* _lib_ulimit */
#   endif /* _lib_vlimit */
#endif

#ifdef RLIM_INFINITY
#   define INFINITY	RLIM_INFINITY
#else
#   ifndef INFINITY
#	define INFINITY	((rlim_t)-1L)
#   endif /* INFINITY */
#endif /* RLIM_INFINITY */

#if defined(_lib_getrlimit) || defined(_lib_vlimit) || defined(_lib_ulimit)
#   ifndef RLIMIT_VMEM
#	ifdef RLIMIT_AS
#	    define RLIMIT_VMEM RLIMIT_AS
#	endif
#   endif /* !RLIMIT_VMEM */
#else
#   define _no_ulimit
#endif
#ifndef _typ_rlim_t
    typedef long rlim_t;
#endif

#if !defined(RLIMIT_NOFILE) && defined(RLIMIT_OFILE)
#define RLIMIT_NOFILE	RLIMIT_OFILE
#endif

#ifndef RLIMIT_UNKNOWN
#define RLIMIT_UNKNOWN	(-9999)
#endif
#ifndef RLIMIT_AS
#define RLIMIT_AS	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_CORE
#define RLIMIT_CORE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_CPU
#define RLIMIT_CPU	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_DATA
#define RLIMIT_DATA	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_FSIZE
#define RLIMIT_FSIZE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_LOCKS
#define RLIMIT_LOCKS	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_MEMLOCK
#define RLIMIT_MEMLOCK	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_MSGQUEUE
#define RLIMIT_MSGQUEUE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_NOFILE
#define RLIMIT_NOFILE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_NICE
#define RLIMIT_NICE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_NPROC
#define RLIMIT_NPROC	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_PIPE
#define RLIMIT_PIPE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_PTHREAD
#define RLIMIT_PTHREAD	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_RSS
#define RLIMIT_RSS	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_RTPRIO
#define RLIMIT_RTPRIO	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_SBSIZE
#define RLIMIT_SBSIZE	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_SIGPENDING
#define RLIMIT_SIGPENDING	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_STACK
#define RLIMIT_STACK	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_SWAP
#define RLIMIT_SWAP	RLIMIT_UNKNOWN
#endif
#ifndef RLIMIT_VMEM
#define RLIMIT_VMEM	RLIMIT_UNKNOWN
#endif

#define LIM_COUNT	0
#define LIM_BLOCK	1
#define LIM_BYTE	2
#define LIM_KBYTE	3
#define LIM_SECOND	4

typedef struct Limit_s
{
	const char	name[8];
	const char*	description;
	int		index;
	const char*	conf;
	unsigned char	option;
	unsigned char	type;
} Limit_t;

extern const Limit_t	shtab_limits[];
extern const int	shtab_units[];

extern const char	e_unlimited[];
extern const char*	e_units[];

#endif /* _ULIMIT_H */