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gitea/vendor/gopkg.in/src-d/go-billy.v4/osfs/os_windows.go
Lauris BH 08bf443016 Implement git refs API for listing references (branches, tags and other) (#5354)
* Inital routes to git refs api

* Git refs API implementation

* Update swagger

* Fix copyright

* Make swagger happy add basic test

* Fix test

* Fix test again :)
2018-11-27 16:52:20 -05:00

58 lines
1018 B
Go

// +build windows
package osfs
import (
"os"
"runtime"
"unsafe"
"golang.org/x/sys/windows"
)
type fileInfo struct {
os.FileInfo
name string
}
func (fi *fileInfo) Name() string {
return fi.name
}
var (
kernel32DLL = windows.NewLazySystemDLL("kernel32.dll")
lockFileExProc = kernel32DLL.NewProc("LockFileEx")
unlockFileProc = kernel32DLL.NewProc("UnlockFile")
)
const (
lockfileExclusiveLock = 0x2
)
func (f *file) Lock() error {
f.m.Lock()
defer f.m.Unlock()
var overlapped windows.Overlapped
// err is always non-nil as per sys/windows semantics.
ret, _, err := lockFileExProc.Call(f.File.Fd(), lockfileExclusiveLock, 0, 0xFFFFFFFF, 0,
uintptr(unsafe.Pointer(&overlapped)))
runtime.KeepAlive(&overlapped)
if ret == 0 {
return err
}
return nil
}
func (f *file) Unlock() error {
f.m.Lock()
defer f.m.Unlock()
// err is always non-nil as per sys/windows semantics.
ret, _, err := unlockFileProc.Call(f.File.Fd(), 0, 0, 0xFFFFFFFF, 0)
if ret == 0 {
return err
}
return nil
}