1 #ifndef _SYS_SWAP_H 2 #define _SYS_SWAP_H 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 9 #define SWAP_FLAG_PREFER 0x8000 10 #define SWAP_FLAG_PRIO_MASK 0x7fff 11 #define SWAP_FLAG_PRIO_SHIFT 0 12 #define SWAP_FLAG_DISCARD 0x10000 13 14 int swapon (const char *, int); 15 int swapoff (const char *); 16 17 #ifdef __cplusplus 18 } 19 #endif 20 21 #endif 22