PRIVATE
void
Thread::ipc_send_msg(Receiver *recv)
{
Syscall_frame *regs = _snd_regs;
bool success = transfer_msg(regs->tag(), nonull_static_cast<Thread*>(recv), regs,
_ipc_send_rights);
sender_dequeue(recv->sender_list());
recv->vcpu_update_state();
//printf(" done\n");
regs->tag(L4_msg_tag(regs->tag(), success ? 0 : L4_msg_tag::Error));
Mword state_del = Thread_ipc_mask | Thread_ipc_transfer;
Mword state_add = Thread_ready;
if (Receiver::prepared())
// same as in Receiver::prepare_receive_dirty_2
state_add |= Thread_receive_wait;
if (cpu() == current_cpu())
{
state_change_dirty(~state_del, state_add);
if (current_sched()->deblock(cpu(), current_sched(), true))
recv->switch_to_locked(this);
}
else
{
drq_state_change(~state_del, state_add);
current()->schedule_if(current()->handle_drq());
}
}
virtual void
Ipc_sender<Derived>::ipc_send_msg(Receiver *recv)
{
derived()->transfer_msg(recv);
if (derived()->dequeue_sender())
{
sender_dequeue(recv->sender_list());
recv->vcpu_update_state();
}
}
void Sender::sender_update_prio(P_LIST list, unsigned short newprio)
{
if(EXPECT_FALSE(sender_prio() == newprio))
return;
Lock_guard<Cpu_lock> guard (&cpu_lock);
if (!in_sender_list())
return;
sender_dequeue(list);
sender_enqueue(list, newprio);
}
