carlos / platform Public

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1	//go:build !windows
2
3	package host
4
5	import (
6	"os"
7	"syscall"
8	)
9
10	// lockFileEx takes an exclusive advisory lock on f, and unlockFile drops it.
11	// syscall.Flock is available on both linux and darwin, which covers every
12	// platform that runs a restart pass.
13	func lockFileEx(f *os.File) error { return syscall.Flock(int(f.Fd()), syscall.LOCK_EX) }
14
15	func unlockFile(f *os.File) { syscall.Flock(int(f.Fd()), syscall.LOCK_UN) } //nolint:errcheck
16