forked from Mirrors/wine-wine
220 lines
5.5 KiB
C
220 lines
5.5 KiB
C
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/*
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* Copyright 2019-2020 Nikolay Sivov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#define NONAMELESSUNION
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#include "initguid.h"
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#include "rtworkq.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
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static LONG platform_lock;
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struct async_result
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{
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RTWQASYNCRESULT result;
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LONG refcount;
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IUnknown *object;
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IUnknown *state;
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};
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static struct async_result *impl_from_IRtwqAsyncResult(IRtwqAsyncResult *iface)
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{
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return CONTAINING_RECORD(iface, struct async_result, result.AsyncResult);
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}
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static HRESULT WINAPI async_result_QueryInterface(IRtwqAsyncResult *iface, REFIID riid, void **obj)
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{
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TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IRtwqAsyncResult) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*obj = iface;
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IRtwqAsyncResult_AddRef(iface);
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return S_OK;
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}
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*obj = NULL;
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WARN("Unsupported interface %s.\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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static ULONG WINAPI async_result_AddRef(IRtwqAsyncResult *iface)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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ULONG refcount = InterlockedIncrement(&result->refcount);
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TRACE("%p, %u.\n", iface, refcount);
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return refcount;
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}
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static ULONG WINAPI async_result_Release(IRtwqAsyncResult *iface)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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ULONG refcount = InterlockedDecrement(&result->refcount);
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TRACE("%p, %u.\n", iface, refcount);
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if (!refcount)
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{
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if (result->result.pCallback)
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IRtwqAsyncCallback_Release(result->result.pCallback);
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if (result->object)
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IUnknown_Release(result->object);
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if (result->state)
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IUnknown_Release(result->state);
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if (result->result.hEvent)
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CloseHandle(result->result.hEvent);
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heap_free(result);
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RtwqUnlockPlatform();
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}
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return refcount;
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}
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static HRESULT WINAPI async_result_GetState(IRtwqAsyncResult *iface, IUnknown **state)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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TRACE("%p, %p.\n", iface, state);
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if (!result->state)
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return E_POINTER;
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*state = result->state;
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IUnknown_AddRef(*state);
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return S_OK;
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}
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static HRESULT WINAPI async_result_GetStatus(IRtwqAsyncResult *iface)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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TRACE("%p.\n", iface);
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return result->result.hrStatusResult;
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}
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static HRESULT WINAPI async_result_SetStatus(IRtwqAsyncResult *iface, HRESULT status)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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TRACE("%p, %#x.\n", iface, status);
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result->result.hrStatusResult = status;
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return S_OK;
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}
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static HRESULT WINAPI async_result_GetObject(IRtwqAsyncResult *iface, IUnknown **object)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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TRACE("%p, %p.\n", iface, object);
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if (!result->object)
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return E_POINTER;
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*object = result->object;
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IUnknown_AddRef(*object);
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return S_OK;
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}
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static IUnknown * WINAPI async_result_GetStateNoAddRef(IRtwqAsyncResult *iface)
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{
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struct async_result *result = impl_from_IRtwqAsyncResult(iface);
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TRACE("%p.\n", iface);
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return result->state;
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}
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static const IRtwqAsyncResultVtbl async_result_vtbl =
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{
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async_result_QueryInterface,
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async_result_AddRef,
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async_result_Release,
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async_result_GetState,
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async_result_GetStatus,
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async_result_SetStatus,
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async_result_GetObject,
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async_result_GetStateNoAddRef,
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};
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static HRESULT create_async_result(IUnknown *object, IRtwqAsyncCallback *callback, IUnknown *state, IRtwqAsyncResult **out)
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{
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struct async_result *result;
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if (!out)
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return E_INVALIDARG;
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result = heap_alloc_zero(sizeof(*result));
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if (!result)
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return E_OUTOFMEMORY;
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RtwqLockPlatform();
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result->result.AsyncResult.lpVtbl = &async_result_vtbl;
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result->refcount = 1;
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result->object = object;
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if (result->object)
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IUnknown_AddRef(result->object);
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result->result.pCallback = callback;
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if (result->result.pCallback)
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IRtwqAsyncCallback_AddRef(result->result.pCallback);
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result->state = state;
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if (result->state)
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IUnknown_AddRef(result->state);
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*out = &result->result.AsyncResult;
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TRACE("Created async result object %p.\n", *out);
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return S_OK;
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}
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HRESULT WINAPI RtwqCreateAsyncResult(IUnknown *object, IRtwqAsyncCallback *callback, IUnknown *state,
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IRtwqAsyncResult **out)
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{
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TRACE("%p, %p, %p, %p.\n", object, callback, state, out);
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return create_async_result(object, callback, state, out);
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}
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HRESULT WINAPI RtwqLockPlatform(void)
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{
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InterlockedIncrement(&platform_lock);
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return S_OK;
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}
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HRESULT WINAPI RtwqUnlockPlatform(void)
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{
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InterlockedDecrement(&platform_lock);
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return S_OK;
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}
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