blob: 2ec5e90839e1dcef529dade98a786d94ddd3b7b6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
//go:build windows
package stats
import (
"golang.org/x/sys/windows"
)
func tryLockFile(fd uintptr) error {
var ol windows.Overlapped
err := windows.LockFileEx(windows.Handle(fd), windows.LOCKFILE_EXCLUSIVE_LOCK|windows.LOCKFILE_FAIL_IMMEDIATELY, 0, 1, 0, &ol)
if err == nil {
return nil
}
if err == windows.ERROR_LOCK_VIOLATION {
return errLockWouldBlock
}
return err
}
func unlockFile(fd uintptr) error {
var ol windows.Overlapped
return windows.UnlockFileEx(windows.Handle(fd), 0, 1, 0, &ol)
}
|
