Function Msgget

pkg/sentry/syscalls/linux/sys_msgqueue.go:29–44

Msgget implements msgget(2).

(t *kernel.Task, sysno uintptr, args arch.SyscallArguments)

// Msgget implements msgget(2).
func Msgget(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
	key := ipc.Key(args[0].Int())
	flag := args[1].Int()

	private := key == linux.IPC_PRIVATE
	create := flag&linux.IPC_CREAT == linux.IPC_CREAT
	exclusive := flag&linux.IPC_EXCL == linux.IPC_EXCL
	mode := linux.FileMode(flag & 0777)

	r := t.IPCNamespace().MsgqueueRegistry()
	queue, err := r.FindOrCreate(t, key, mode, private, create, exclusive)
	if err != nil {
		return 0, nil, err
	}
	return uintptr(queue.ID()), nil, nil
}

// Msgsnd implements msgsnd(2).
func Msgsnd(t *kernel.Task, sysno uintptr, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {