dlls/dpnet/threadpool.c

   1 /*
   2  * DirectPlay8 ThreadPool
   3  *
   4  * Copyright 2004 Raphael Junqueira
   5  * Copyright 2008 Alexander N. Sørnes <alex@thehandofagony.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  */
  22
  23 #include "config.h"
  24
  25 #include <stdarg.h>
  26
  27 #define COBJMACROS
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wingdi.h"
  31 #include "winuser.h"
  32 #include "objbase.h"
  33 #include "wine/debug.h"
  34
  35 #include "dpnet_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dpnet);
  38
  39 static PFNDPNMESSAGEHANDLER threadpool_msghandler = NULL;
  40 static DWORD threadpool_flags       = 0;
  41 static void *threadpool_usercontext = NULL;
  42
  43 static inline IDirectPlay8ThreadPoolImpl *impl_from_IDirectPlay8ThreadPool(IDirectPlay8ThreadPool *iface)
  44 {
  45     return CONTAINING_RECORD(iface, IDirectPlay8ThreadPoolImpl, IDirectPlay8ThreadPool_iface);
  46 }
  47
  48 /* IUnknown interface follows */
  49 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_QueryInterface(IDirectPlay8ThreadPool *iface,
  50         REFIID riid, void **ppobj)
  51 {
  52     IDirectPlay8ThreadPoolImpl *This = impl_from_IDirectPlay8ThreadPool(iface);
  53
  54     if(IsEqualGUID(riid, &IID_IUnknown) ||
  55        IsEqualGUID(riid, &IID_IDirectPlay8ThreadPool))
  56     {
  57         IUnknown_AddRef(iface);
  58         *ppobj = This;
  59         return DPN_OK;
  60     }
  61
  62     WARN("(%p)->(%s,%p): not found\n", This, debugstr_guid(riid), ppobj);
  63     return E_NOINTERFACE;
  64 }
  65
  66 static ULONG WINAPI IDirectPlay8ThreadPoolImpl_AddRef(IDirectPlay8ThreadPool *iface)
  67 {
  68     IDirectPlay8ThreadPoolImpl* This = impl_from_IDirectPlay8ThreadPool(iface);
  69     ULONG RefCount = InterlockedIncrement(&This->ref);
  70
  71     return RefCount;
  72 }
  73
  74 static ULONG WINAPI IDirectPlay8ThreadPoolImpl_Release(IDirectPlay8ThreadPool *iface)
  75 {
  76     IDirectPlay8ThreadPoolImpl* This = impl_from_IDirectPlay8ThreadPool(iface);
  77     ULONG RefCount = InterlockedDecrement(&This->ref);
  78
  79     if(!RefCount)
  80         HeapFree(GetProcessHeap(), 0, This);
  81
  82     return RefCount;
  83 }
  84
  85 /* IDirectPlay8ThreadPool interface follows */
  86 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_Initialize(IDirectPlay8ThreadPool *iface,
  87         void * const pvUserContext, const PFNDPNMESSAGEHANDLER pfn, const DWORD dwFlags)
  88 {
  89     IDirectPlay8ThreadPoolImpl *This = impl_from_IDirectPlay8ThreadPool(iface);
  90
  91     TRACE("(%p)->(%p,%p,%x)\n", This, pvUserContext, pfn, dwFlags);
  92
  93     if(!pfn)
  94         return DPNERR_INVALIDPARAM;
  95
  96     if(threadpool_msghandler)
  97         return DPNERR_ALREADYINITIALIZED;
  98
  99     threadpool_msghandler  = pfn;
 100     threadpool_flags       = dwFlags;
 101     threadpool_usercontext = pvUserContext;
 102
 103     return DPN_OK;
 104 }
 105
 106 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_Close(IDirectPlay8ThreadPool *iface,
 107         const DWORD dwFlags)
 108 {
 109     IDirectPlay8ThreadPoolImpl *This = impl_from_IDirectPlay8ThreadPool(iface);
 110
 111     FIXME("(%p)->(%x)\n", This, dwFlags);
 112
 113     if(!threadpool_msghandler)
 114         return DPNERR_UNINITIALIZED;
 115
 116     threadpool_msghandler = NULL;
 117
 118     return DPN_OK;
 119 }
 120
 121 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_GetThreadCount(IDirectPlay8ThreadPool *iface,
 122         const DWORD dwProcessorNum, DWORD * const pdwNumThreads, const DWORD dwFlags)
 123 {
 124     FIXME("(%p)->(%x,%p,%x): stub\n", iface, dwProcessorNum, pdwNumThreads, dwFlags);
 125     *pdwNumThreads = 0;
 126     return DPN_OK;
 127 }
 128
 129 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_SetThreadCount(IDirectPlay8ThreadPool *iface,
 130         const DWORD dwProcessorNum, const DWORD dwNumThreads, const DWORD dwFlags)
 131 {
 132     FIXME("(%p)->(%x,%x,%x): stub\n", iface, dwProcessorNum, dwNumThreads, dwFlags);
 133     return DPN_OK;
 134 }
 135
 136 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_DoWork(IDirectPlay8ThreadPool *iface,
 137         const DWORD dwAllowedTimeSlice, const DWORD dwFlags)
 138 {
 139     static BOOL Run = FALSE;
 140
 141     if(!Run)
 142         FIXME("(%p)->(%x,%x): stub\n", iface, dwAllowedTimeSlice, dwFlags);
 143
 144     Run = TRUE;
 145
 146     return DPN_OK;
 147 }
 148
 149 static const IDirectPlay8ThreadPoolVtbl DirectPlay8ThreadPool_Vtbl =
 150 {
 151     IDirectPlay8ThreadPoolImpl_QueryInterface,
 152     IDirectPlay8ThreadPoolImpl_AddRef,
 153     IDirectPlay8ThreadPoolImpl_Release,
 154     IDirectPlay8ThreadPoolImpl_Initialize,
 155     IDirectPlay8ThreadPoolImpl_Close,
 156     IDirectPlay8ThreadPoolImpl_GetThreadCount,
 157     IDirectPlay8ThreadPoolImpl_SetThreadCount,
 158     IDirectPlay8ThreadPoolImpl_DoWork
 159 };
 160
 161 HRESULT DPNET_CreateDirectPlay8ThreadPool(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj)
 162 {
 163     IDirectPlay8ThreadPoolImpl* Client;
 164
 165     Client = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectPlay8ThreadPoolImpl));
 166
 167     if(Client == NULL)
 168     {
 169         *ppobj = NULL;
 170         WARN("Not enough memory\n");
 171         return E_OUTOFMEMORY;
 172     }
 173
 174     Client->IDirectPlay8ThreadPool_iface.lpVtbl = &DirectPlay8ThreadPool_Vtbl;
 175     Client->ref = 0;
 176
 177     return IDirectPlay8ThreadPoolImpl_QueryInterface(&Client->IDirectPlay8ThreadPool_iface, riid,
 178             ppobj);
 179 }