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/* Calls to enable and disable swapping on specified locations.
OpenSolaris version.
Copyright (C) 1996, 1997, 2000, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef __SYS_SWAP_H
#define __SYS_SWAP_H
/* Docs: http://docs.sun.com/app/docs/doc/816-5167/swapctl-2?a=view */
#include <features.h>
#include <bits/types.h>
/* swapctl cmd values. */
#define SC_ADD 1
#define SC_LIST 2
#define SC_REMOVE 3
#define SC_GETNSWP 4
#define SC_AINFO 5
/* swapctl arg for SC_ADD and SC_REMOVE. */
typedef struct swapres
{
char *sr_name;
__off_t sr_start;
__off_t sr_length;
} swapres_t;
typedef struct swapent
{
char *ste_path;
__off_t ste_start;
__off_t ste_length;
long ste_pages;
long ste_free;
int ste_flags;
} swapent_t;
/* ste_flags values. */
#define ST_INDEL 1
#define ST_DOINGDEL 2
/* swapctl arg for SC_LIST. */
typedef struct swaptable
{
int swt_n;
swapent_t swt_ent[1];
} swaptbl_t;
__BEGIN_DECLS
/* Make the block special device PATH available to the system for swapping.
This call is restricted to the super-user. */
extern int swapon (__const char *__path) __THROW;
/* Stop using block special device PATH for swapping. */
extern int swapoff (__const char *__path) __THROW;
extern int swapctl (int cmd, void *arg);
__END_DECLS
#endif /* sys/swap.h */
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