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/*
* Microsoft COM initialization routines
* Copyright (c) 1999-2011 Ross Bencina, Phil Burk
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version. It is also
* requested that these non-binding requests be included along with the
* license above.
*/
/** @file
@ingroup win_src
@brief Microsoft COM initialization routines.
*/
#ifndef PA_WIN_COINITIALIZE_H
#define PA_WIN_COINITIALIZE_H
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/**
@brief Data type used to hold the result of an attempt to initialize COM
using PaWinUtil_CoInitialize. Must be retained between a call to
PaWinUtil_CoInitialize and a matching call to PaWinUtil_CoUninitialize.
*/
typedef struct PaWinUtilComInitializationResult{
int state;
DWORD initializingThreadId;
} PaWinUtilComInitializationResult;
/**
@brief Initialize Microsoft COM subsystem on the current thread.
@param hostApiType the host API type id of the caller. Used for error reporting.
@param comInitializationResult An output parameter. The value pointed to by
this parameter stores information required by PaWinUtil_CoUninitialize
to correctly uninitialize COM. The value should be retained and later
passed to PaWinUtil_CoUninitialize.
If PaWinUtil_CoInitialize returns paNoError, the caller must later call
PaWinUtil_CoUninitialize once.
*/
PaError PaWinUtil_CoInitialize( PaHostApiTypeId hostApiType, PaWinUtilComInitializationResult *comInitializationResult );
/**
@brief Uninitialize the Microsoft COM subsystem on the current thread using
the result of a previous call to PaWinUtil_CoInitialize. Must be called on the same
thread as PaWinUtil_CoInitialize.
@param hostApiType the host API type id of the caller. Used for error reporting.
@param comInitializationResult An input parameter. A pointer to a value previously
initialized by a call to PaWinUtil_CoInitialize.
*/
void PaWinUtil_CoUninitialize( PaHostApiTypeId hostApiType, PaWinUtilComInitializationResult *comInitializationResult );
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* PA_WIN_COINITIALIZE_H */
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