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| -rw-r--r-- | include/sys/swap.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/sys/swap.h b/include/sys/swap.h new file mode 100644 index 000000000..e84c36520 --- /dev/null +++ b/include/sys/swap.h @@ -0,0 +1,43 @@ +/* Calls to enable and disable swapping on specified locations. Linux version. + Copyright (C) 1996, 1998 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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 __P ((__const char *__path, int __flags)); + +/* Stop using block special device PATH for swapping. */ +extern int swapoff __P ((__const char *__path)); + +__END_DECLS + +#endif /* _SYS_SWAP_H */ |