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
  24 #include <stdarg.h>
  25
  26 #define COBJMACROS
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "objbase.h"
  32 #include "wine/debug.h"
  33
  34 #include "dpnet_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dpnet);
  37
  38 static PFNDPNMESSAGEHANDLER threadpool_msghandler = NULL;
  39 static DWORD threadpool_flags       = 0;
  40 static void *threadpool_usercontext = NULL;
  41
  42 static inline IDirectPlay8ThreadPoolImpl *impl_from_IDirectPlay8ThreadPool(IDirectPlay8ThreadPool *iface)
  43 {
  44     return CONTAINING_RECORD(iface, IDirectPlay8ThreadPoolImpl, IDirectPlay8ThreadPool_iface);
  45 }
  46
  47 /* IUnknown interface follows */
  48 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_QueryInterface(IDirectPlay8ThreadPool *iface,
  49         REFIID riid, void **ret_iface)
  50 {
  51     if(IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IDirectPlay8ThreadPool))
  52     {
  53         IDirectPlay8ThreadPool_AddRef(iface);
  54         *ret_iface = iface;
  55         return S_OK;
  56     }
  57
  58     WARN("(%p)->(%s,%p): not found\n", iface, debugstr_guid(riid), ret_iface);
  59     return E_NOINTERFACE;
  60 }
  61
  62 static ULONG WINAPI IDirectPlay8ThreadPoolImpl_AddRef(IDirectPlay8ThreadPool *iface)
  63 {
  64     IDirectPlay8ThreadPoolImpl* This = impl_from_IDirectPlay8ThreadPool(iface);
  65     ULONG RefCount = InterlockedIncrement(&This->ref);
  66
  67     return RefCount;
  68 }
  69
  70 static ULONG WINAPI IDirectPlay8ThreadPoolImpl_Release(IDirectPlay8ThreadPool *iface)
  71 {
  72     IDirectPlay8ThreadPoolImpl* This = impl_from_IDirectPlay8ThreadPool(iface);
  73     ULONG RefCount = InterlockedDecrement(&This->ref);
  74
  75     if(!RefCount)
  76         HeapFree(GetProcessHeap(), 0, This);
  77
  78     return RefCount;
  79 }
  80
  81 /* IDirectPlay8ThreadPool interface follows */
  82 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_Initialize(IDirectPlay8ThreadPool *iface,
  83         void * const pvUserContext, const PFNDPNMESSAGEHANDLER pfn, const DWORD dwFlags)
  84 {
  85     IDirectPlay8ThreadPoolImpl *This = impl_from_IDirectPlay8ThreadPool(iface);
  86
  87     TRACE("(%p)->(%p,%p,%lx)\n", This, pvUserContext, pfn, dwFlags);
  88
  89     if(!pfn)
  90         return DPNERR_INVALIDPARAM;
  91
  92     if(threadpool_msghandler)
  93         return DPNERR_ALREADYINITIALIZED;
  94
  95     threadpool_msghandler  = pfn;
  96     threadpool_flags       = dwFlags;
  97     threadpool_usercontext = pvUserContext;
  98
  99     return DPN_OK;
 100 }
 101
 102 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_Close(IDirectPlay8ThreadPool *iface,
 103         const DWORD dwFlags)
 104 {
 105     IDirectPlay8ThreadPoolImpl *This = impl_from_IDirectPlay8ThreadPool(iface);
 106
 107     FIXME("(%p)->(%lx)\n", This, dwFlags);
 108
 109     if(!threadpool_msghandler)
 110         return DPNERR_UNINITIALIZED;
 111
 112     threadpool_msghandler = NULL;
 113
 114     return DPN_OK;
 115 }
 116
 117 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_GetThreadCount(IDirectPlay8ThreadPool *iface,
 118         const DWORD dwProcessorNum, DWORD * const pdwNumThreads, const DWORD dwFlags)
 119 {
 120     FIXME("(%p)->(%lx,%p,%lx): stub\n", iface, dwProcessorNum, pdwNumThreads, dwFlags);
 121     *pdwNumThreads = 0;
 122     return DPN_OK;
 123 }
 124
 125 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_SetThreadCount(IDirectPlay8ThreadPool *iface,
 126         const DWORD dwProcessorNum, const DWORD dwNumThreads, const DWORD dwFlags)
 127 {
 128     FIXME("(%p)->(%lx,%lx,%lx): stub\n", iface, dwProcessorNum, dwNumThreads, dwFlags);
 129     return DPN_OK;
 130 }
 131
 132 static HRESULT WINAPI IDirectPlay8ThreadPoolImpl_DoWork(IDirectPlay8ThreadPool *iface,
 133         const DWORD dwAllowedTimeSlice, const DWORD dwFlags)
 134 {
 135     static BOOL Run = FALSE;
 136
 137     if(!Run)
 138         FIXME("(%p)->(%lx,%lx): stub\n", iface, dwAllowedTimeSlice, dwFlags);
 139
 140     Run = TRUE;
 141
 142     return DPN_OK;
 143 }
 144
 145 static const IDirectPlay8ThreadPoolVtbl DirectPlay8ThreadPool_Vtbl =
 146 {
 147     IDirectPlay8ThreadPoolImpl_QueryInterface,
 148     IDirectPlay8ThreadPoolImpl_AddRef,
 149     IDirectPlay8ThreadPoolImpl_Release,
 150     IDirectPlay8ThreadPoolImpl_Initialize,
 151     IDirectPlay8ThreadPoolImpl_Close,
 152     IDirectPlay8ThreadPoolImpl_GetThreadCount,
 153     IDirectPlay8ThreadPoolImpl_SetThreadCount,
 154     IDirectPlay8ThreadPoolImpl_DoWork
 155 };
 156
 157 HRESULT DPNET_CreateDirectPlay8ThreadPool(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj)
 158 {
 159     IDirectPlay8ThreadPoolImpl* Client;
 160
 161     Client = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectPlay8ThreadPoolImpl));
 162
 163     if(Client == NULL)
 164     {
 165         *ppobj = NULL;
 166         WARN("Not enough memory\n");
 167         return E_OUTOFMEMORY;
 168     }
 169
 170     Client->IDirectPlay8ThreadPool_iface.lpVtbl = &DirectPlay8ThreadPool_Vtbl;
 171     Client->ref = 0;
 172
 173     return IDirectPlay8ThreadPoolImpl_QueryInterface(&Client->IDirectPlay8ThreadPool_iface, riid,
 174             ppobj);
 175 }