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120 lines
2.4 KiB
PHP
120 lines
2.4 KiB
PHP
{
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$Id$
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libasync: Asynchronous event management
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Copyright (C) 2001 by
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Areca Systems GmbH / Sebastian Guenther, sg@freepascal.org
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Common interface declaration
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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}
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type
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TAsyncHandleStruct = packed record
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UserData: Pointer;
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Data: TAsyncData;
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end;
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TAsyncHandle = ^TAsyncHandleStruct;
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TAsyncTimer = Pointer;
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TAsyncCallback = procedure(UserData: Pointer); cdecl;
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TAsyncResult = (
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asyncOK,
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asyncInvalidHandle,
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asyncInvalidFileHandle,
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asyncHandlerAlreadySet);
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// Construction and destruction
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procedure asyncInit(
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Handle: TAsyncHandle); cdecl;
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procedure asyncFree(
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Handle: TAsyncHandle); cdecl;
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// Running and stopping the event loop
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procedure asyncRun(
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Handle: TAsyncHandle); cdecl;
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procedure asyncBreak(
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Handle: TAsyncHandle); cdecl;
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// Status information
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function asyncIsRunning(
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Handle: TAsyncHandle
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): Boolean; cdecl;
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function asyncGetTicks: Int64; cdecl;
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// Timer management
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function asyncAddTimer(
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Handle: TAsyncHandle;
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MSec: LongInt;
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Periodic: Boolean; // False = One-shot timer, True = Periodic timer
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Callback: TAsyncCallback;
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UserData: Pointer // User data for callback
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): TAsyncTimer; cdecl;
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procedure asyncRemoveTimer(
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Handle: TAsyncHandle;
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Timer: TASyncTimer); cdecl;
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// I/O callback management
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function asyncSetIOCallback(
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Handle: TAsyncHandle;
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IOHandle: LongInt;
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Callback: TAsyncCallback;
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UserData: Pointer): TAsyncResult; cdecl;
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procedure asyncClearIOCallback(
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Handle: TAsyncHandle;
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IOHandle: LongInt); cdecl;
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function asyncSetDataAvailableCallback(
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Handle: TAsyncHandle;
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IOHandle: LongInt;
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Callback: TAsyncCallback;
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UserData: Pointer): TAsyncResult; cdecl;
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procedure asyncClearDataAvailableCallback(
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Handle: TAsyncHandle;
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IOHandle: LongInt); cdecl;
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function asyncSetCanWriteCallback(
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Handle: TAsyncHandle;
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IOHandle: LongInt;
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Callback: TAsyncCallback;
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UserData: Pointer): TAsyncResult; cdecl;
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procedure asyncClearCanWriteCallback(
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Handle: TAsyncHandle;
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IOHandle: LongInt); cdecl;
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{
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$Log$
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Revision 1.3 2002-09-15 15:43:30 sg
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* Improved error reporting
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Revision 1.1 2002/01/29 17:54:53 peter
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* splitted to base and extra
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}
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