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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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srvlist.c
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C/C++ Source or Header
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1997-10-12
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147 lines
/******************************************************************************\
* This is a part of the Microsoft Source Code Samples.
* Copyright 1995 - 1997 Microsoft Corporation.
* All rights reserved.
* This source code is only intended as a supplement to
* Microsoft Development Tools and/or WinHelp documentation.
* See these sources for detailed information regarding the
* Microsoft samples programs.
\******************************************************************************/
/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
SrvList.c
Abstract:
The server component of Remote. This module
implements three lists of REMOTE_CLIENT structures,
for handshaking, connected, and closing clients.
To simplify the interface items always progress
through the three lists in order, with list node
memory being freed as it is removed from the
closing list.
Author:
Dave Hart 30 May 1997
Environment:
Console App. User mode.
Revision History:
--*/
#include <windows.h>
#include "Remote.h"
#include "Server.h"
#include "SrvList.h"
VOID
FASTCALL
InitializeClientLists(
VOID
)
{
InitializeCriticalSection( &csHandshakingList );
InitializeCriticalSection( &csClientList );
InitializeCriticalSection( &csClosingClientList );
InitializeListHead( &HandshakingListHead );
InitializeListHead( &ClientListHead );
InitializeListHead( &ClosingClientListHead );
}
VOID
FASTCALL
AddClientToHandshakingList(
PREMOTE_CLIENT pClient
)
{
EnterCriticalSection( &csHandshakingList );
InsertTailList( &HandshakingListHead, &pClient->Links );
LeaveCriticalSection( &csHandshakingList );
}
VOID
FASTCALL
MoveClientToNormalList(
PREMOTE_CLIENT pClient
)
{
EnterCriticalSection( &csHandshakingList );
RemoveEntryList( &pClient->Links );
LeaveCriticalSection( &csHandshakingList );
EnterCriticalSection( &csClientList );
InsertTailList( &ClientListHead, &pClient->Links );
LeaveCriticalSection( &csClientList );
}
VOID
FASTCALL
MoveClientToClosingList(
PREMOTE_CLIENT pClient
)
{
EnterCriticalSection( &csClientList );
RemoveEntryList( &pClient->Links );
LeaveCriticalSection( &csClientList );
EnterCriticalSection( &csClosingClientList );
InsertTailList( &ClosingClientListHead, &pClient->Links );
LeaveCriticalSection( &csClosingClientList );
}
PREMOTE_CLIENT
FASTCALL
RemoveFirstClientFromClosingList(
VOID
)
{
PREMOTE_CLIENT pClient;
EnterCriticalSection( &csClosingClientList );
if (IsListEmpty(&ClosingClientListHead)) {
pClient = NULL;
} else {
pClient = (PREMOTE_CLIENT) RemoveHeadList( &ClosingClientListHead );
ZeroMemory( &pClient->Links, sizeof(&pClient->Links) );
}
LeaveCriticalSection( &csClosingClientList );
return pClient;
}