9 msAsync = 1 << iota // perform asynchronous writes
10 msSync // perform synchronous writes
11 msInvalidate // invalidate cached data
14 func msync(db *DB) error {
15 _, _, errno := syscall.Syscall(syscall.SYS_MSYNC, uintptr(unsafe.Pointer(db.data)), uintptr(db.datasz), msInvalidate)
22 func fdatasync(db *DB) error {