示例#1
0
        private static int Wait(Thread current, ref Arch.ExceptionRegisters regs, UserPtr uaddr, int flags, int val, bool hasTimeout, timespec ts, uint bitset)
        {
            int old_val;

            if (uaddr.Read(current, out old_val) != 0)
            {
                return(-ErrorCode.EFAULT);
            }

            if (old_val != val)
            {
                return(-ErrorCode.EWOULDBLOCK);
            }

            //Arch.Console.Write("wait: addr=");
            //Arch.Console.Write(uaddr.Value.ToUInt32());
            //Arch.Console.Write(" thr=");
            //Arch.Console.Write(current.Tid);
            //Arch.Console.WriteLine();

            TimerQueueNode node;
            var            futex_entry = new FutexCompletionEntry(current, uaddr, bitset);

            Globals.FutexLists.InsertAtTail(futex_entry);

            if (hasTimeout)
            {
                node = Globals.TimeoutQueue.Enqueue(ts.ToMilliseconds(), current);
                futex_entry.timeoutNode = node;
            }

            Globals.CompletionQueue.Enqueue(futex_entry);
            current.SaveState(ref regs);
            current.AsyncReturn = true;
            return(0);
        }
示例#2
0
        private static int Wait(Thread current, ref Arch.ExceptionRegisters regs, UserPtr uaddr, int flags, int val, bool hasTimeout, timespec ts, uint bitset)
        {
            int old_val;
            if (uaddr.Read(current, out old_val) != 0)
                return -ErrorCode.EFAULT;

            if (old_val != val)
                return -ErrorCode.EWOULDBLOCK;

            //Arch.Console.Write("wait: addr=");
            //Arch.Console.Write(uaddr.Value.ToUInt32());
            //Arch.Console.Write(" thr=");
            //Arch.Console.Write(current.Tid);
            //Arch.Console.WriteLine();

            TimerQueueNode node;
            var futex_entry = new FutexCompletionEntry(current, uaddr, bitset);
            Globals.FutexLists.InsertAtTail(futex_entry);

            if (hasTimeout)
            {
                node = Globals.TimeoutQueue.Enqueue(ts.ToMilliseconds(), current);
                futex_entry.timeoutNode = node;
            }

            Globals.CompletionQueue.Enqueue(futex_entry);
            current.SaveState(ref regs);
            current.AsyncReturn = true;
            return 0;
        }