| /* Calls to enable and disable swapping on specified locations. Linux version. |
| Copyright (C) 1996, 1998, 1999 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 1 |
| #include <features.h> |
| |
| /* The swap priority is encoded as: |
| (prio << SWAP_FLAG_PRIO_SHIFT) & SWAP_FLAG_PRIO_MASK |
| */ |
| #define SWAP_FLAG_PREFER 0x8000 /* Set if swap priority is specified. */ |
| #define SWAP_FLAG_PRIO_MASK 0x7fff |
| #define SWAP_FLAG_PRIO_SHIFT 0 |
| |
| __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, int __flags) __THROW; |
| |
| /* Stop using block special device PATH for swapping. */ |
| extern int swapoff (__const char *__path) __THROW; |
| |
| __END_DECLS |
| |
| #endif /* _SYS_SWAP_H */ |
