Function OpenFBClockShmCustomVer

fbclock/shmem_notlinux.go:67–82

OpenFBClockShmCustomVer returns opened POSIX shared mem used by fbclock

(path string, version int)

// OpenFBClockShmCustomVer returns opened POSIX shared mem used by fbclock
func OpenFBClockShmCustomVer(path string, version int) (*Shm, error) {
	shm, err := OpenShm(path, os.O_CREATE|os.O_RDWR, 0o644)
	if err != nil {
		return nil, err
	}
	size := int64(shmDataSize)
	if version == 2 {
		size = int64(shmDataV2Size)
	}
	if err := shm.File.Truncate(size); err != nil {
		shm.Close()
		return nil, err
	}
	shm.Version = version
	return shm, nil
}

// OpenFBClockSHM returns opened POSIX shared mem used by fbclock
func OpenFBClockSHM() (*Shm, error) {