99 lines
4.0 KiB
SourcePawn
99 lines
4.0 KiB
SourcePawn
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This file is part of the SourceMod/SourcePawn SDK.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#if defined _handles_included
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#endinput
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#endif
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#define _handles_included
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/**
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* Preset Handle values.
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*/
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enum Handle // Tag disables introducing "Handle" as a symbol.
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{
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INVALID_HANDLE = 0
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};
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/**
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* Closes a Handle. If the handle has multiple copies open,
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* it is not destroyed unless all copies are closed.
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*
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* @note Closing a Handle has a different meaning for each Handle type. Make
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* sure you read the documentation on whatever provided the Handle.
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*
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* @param hndl Handle to close.
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* @error Invalid handles will cause a run time error.
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*/
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native void CloseHandle(Handle hndl);
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/**
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* Clones a Handle. When passing handles in between plugins, caching handles
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* can result in accidental invalidation when one plugin releases the Handle, or is its owner
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* is unloaded from memory. To prevent this, the Handle may be "cloned" with a new owner.
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*
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* @note Usually, you will be cloning Handles for other plugins. This means that if you clone
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* the Handle without specifying the new owner, it will assume the identity of your original
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* calling plugin, which is not very useful. You should either specify that the receiving
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* plugin should clone the handle on its own, or you should explicitly clone the Handle
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* using the receiving plugin's identity Handle.
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*
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* @param hndl Handle to clone/duplicate.
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* @param plugin Optional Handle to another plugin to mark as the new owner.
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* If no owner is passed, the owner becomes the calling plugin.
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* @return Handle on success, INVALID_HANDLE if not cloneable.
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* @error Invalid handles will cause a run time error.
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*/
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native Handle CloneHandle(Handle hndl, Handle plugin=INVALID_HANDLE);
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using __intrinsics__.Handle;
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/**
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* Do not use this function. Returns if a Handle and its contents
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* are readable, whereas INVALID_HANDLE only checks for the absence
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* of a Handle.
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*
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* This function is intended only for tests where the validity of a
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* Handle can absolutely not be known.
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*
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* Do not use this to check the return values of functions, or to
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* check if timers should be closed (except in very rare cases).
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* This function is for very specific usage and using it for general
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* purpose routines can and will hide very subtle bugs.
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*
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* @param hndl Handle to test for validity.
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* @return True if handle is valid, false otherwise.
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* @deprecated Do not use this function.
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*/
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#pragma deprecated Do not use this function.
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native bool IsValidHandle(Handle hndl);
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