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/* Calls to enable and disable swapping on specified locations. Linux version. Copyright (C) 1996, 1998, 1999, 2010, 2012 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, see <http://www.gnu.org/licenses/>. */ #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 #define SWAP_FLAG_DISCARD 0x10000 /* Discard swap cluster after use. */ __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 */