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internal
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filelock
Dosya Düzenle: filelock_unix.go
// Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build darwin || dragonfly || freebsd || illumos || linux || netbsd || openbsd package filelock import ( "io/fs" "syscall" ) type lockType int16 const ( readLock lockType = syscall.LOCK_SH writeLock lockType = syscall.LOCK_EX ) func lock(f File, lt lockType) (err error) { for { err = syscall.Flock(int(f.Fd()), int(lt)) if err != syscall.EINTR { break } } if err != nil { return &fs.PathError{ Op: lt.String(), Path: f.Name(), Err: err, } } return nil } func unlock(f File) error { return lock(f, syscall.LOCK_UN) }
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