mirror of https://github.com/hak5/bolt.git
30 lines
535 B
Go
30 lines
535 B
Go
|
package bolt
|
||
|
|
||
|
import (
|
||
|
"syscall"
|
||
|
"unsafe"
|
||
|
)
|
||
|
|
||
|
const (
|
||
|
msAsync = 1 << iota // perform asynchronous writes
|
||
|
msSync // perform synchronous writes
|
||
|
msInvalidate // invalidate cached data
|
||
|
)
|
||
|
|
||
|
var odirect int
|
||
|
|
||
|
func msync(db *DB) error {
|
||
|
_, _, errno := syscall.Syscall(syscall.SYS_MSYNC, uintptr(unsafe.Pointer(db.data)), uintptr(db.datasz), msInvalidate)
|
||
|
if errno != 0 {
|
||
|
return errno
|
||
|
}
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
func fdatasync(db *DB) error {
|
||
|
if db.data != nil {
|
||
|
return msync(db)
|
||
|
}
|
||
|
return db.file.Sync()
|
||
|
}
|