1 2 #ifndef __SQLITEASYNC_H_ 3 #define __SQLITEASYNC_H_ 1 4 5 #define SQLITEASYNC_VFSNAME "sqlite3async" 6 7 /* 8 ** Install the asynchronous IO VFS. 9 */ 10 int sqlite3async_initialize(const char *zParent, int isDefault); 11 12 /* 13 ** Uninstall the asynchronous IO VFS. 14 */ 15 void sqlite3async_shutdown(); 16 17 /* 18 ** Process events on the write-queue. 19 */ 20 void sqlite3async_run(); 21 22 /* 23 ** Control/configure the asynchronous IO system. 24 */ 25 int sqlite3async_control(int op, ...); 26 27 /* 28 ** Values that can be used as the first argument to sqlite3async_control(). 29 */ 30 #define SQLITEASYNC_HALT 1 31 #define SQLITEASYNC_DELAY 2 32 #define SQLITEASYNC_GET_HALT 3 33 #define SQLITEASYNC_GET_DELAY 4 34 35 /* 36 ** If the first argument to sqlite3async_control() is SQLITEASYNC_HALT, 37 ** the second argument should be one of the following. 38 */ 39 #define SQLITEASYNC_HALT_NEVER 0 /* Never halt (default value) */ 40 #define SQLITEASYNC_HALT_NOW 1 /* Halt as soon as possible */ 41 #define SQLITEASYNC_HALT_IDLE 2 /* Halt when write-queue is empty */ 42 43 #endif /* ifndef __SQLITEASYNC_H_ */ 44 45