Function fileLock

utils/sysutils/sysutils_unix.go:13–15

(fd int)

}

func fileLock(fd int) error {
	return syscall.Flock(fd, syscall.LOCK_EX|syscall.LOCK_NB)
}

func fileUnlock(fd int) error {
	return syscall.Flock(fd, syscall.LOCK_UN)