github.com/makyo/juju@v0.0.0-20160425123129-2608902037e9/utils/filelock/flock.go (about)

     1  // Copyright 2014 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  // +build !windows
     5  
     6  package filelock
     7  
     8  import (
     9  	"syscall"
    10  )
    11  
    12  func flockLock(fd int) (err error) {
    13  	return syscall.Flock(fd, syscall.LOCK_EX)
    14  }
    15  
    16  func flockUnlock(fd int) (err error) {
    17  	return syscall.Flock(fd, syscall.LOCK_UN)
    18  }