public PCB(string name)
{
Name = name;
stopped = true;
blocked = false;
in_smc = 0;
stop_waiting = false;
message_semaphore_common = new Semaphore(0);
message_semaphore_receiver = new Semaphore(0);
first_message = null;
next_semaphore_waiter = null;
stopper_semaphore = new Semaphore(0);
Stoppe_semaphore = new Semaphore(0);
next_pcb_this_group = null;
last_pcb_this_group = null;
next_pcb_all = null;
last_pcb_all = null;
Parent = null;
First_son = null;
auto_storage_addres = -1;
auto_storage_size = 0;
Auto_data_addres = -1;
Auto_data_size = 0;
Auto_stack_addres = -1;
Auto_stack_size = 0;
}
public void XS(string receiver_name, string sender_name, string text) // uważam za zbędny parametr, jakim jest długość komunikatu, przynajmniej przy braku alokacji pamięci przez Pawła, dodałem nazwę odbiorcy
{
PCB sender = XN(sender_name);
if (sender != null)
{
PCB receiver = XN(receiver_name);
if (receiver != null)
{
Komunikat komunikat = new Komunikat(ref sender, text);
receiver.Message_semaphore_common.P();
//receiver.Message_semaphore_receiver.P(ref komunikat);
receiver.Message_semaphore_receiver.V(ref receiver);
if (receiver.First_message == null || receiver.Message_semaphore_receiver.Value == 1)
{
receiver.First_message = komunikat;
}
else if (receiver.Message_semaphore_receiver.Value > 1)
{
Komunikat temp = receiver.First_message;
while (temp != null)
{
if (temp.Next == null)
{
temp.Next = komunikat;
break;
}
temp = temp.Next;
}
}
receiver.Message_semaphore_common.V();
Console.WriteLine("Wysłano komunikat.");
}
else
{
XQUE();
Console.WriteLine("Błędny odbioraca. \nW programie XS");
}
}
else
{
XQUE();
Console.WriteLine("Błędny nadawca. \nW programie XS");
}
}