#include "com/Com.h"#include "com/comerror.h"#include <assert.h>#include <pthread.h>#include <stdlib.h>#include "com/linux/internal.h"/* * This linked list contains the list of registered class objects. These * are mostly used to register the factories for out-of-proc servers of OLE * objects. * * TODO: Make this data structure aware of inter-process communication. This *       means that parts of this will be exported to the Wine Server. */struct RegisteredClass{  firtex::com::FX_CLSID     classIdentifier;  firtex::com::IUnknown* classObject;  uint32_t  runContext;  uint32_t  connectFlags;  uint32_t  dwCookie;  void*     hThread; /* only for localserver */  RegisteredClass* nextClass;};static RegisteredClass* first_class = NULL;static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;/*** * COM_GetRegisteredClassObject * * This internal method is used to scan the registered class list to * find a class object. * * Params: *   rclsid        Class ID of the class to find. *   dwClsContext  Class context to match. *   ppv           [out] returns a pointer to the class object. Complying *                 to normal COM usage, this method will increase the *                 reference count on this object. */firtex::com::FX_HRESULT firtex::com::internal::GetRegisteredClassObject(	FX_REFCLSID    rclsid,	uint32_t       dwClsContext,	IUnknown**  ppUnk){  pthread_mutex_lock lock( &mutex );  /*   * Sanity check   */  assert( ppUnk );  /*   * Iterate through the whole list and try to match the class ID.   */  RegisteredClass* curClass = first_class;  while (curClass != 0)  {    /*     * Check if we have a match on the class ID.     */    if (FX_IsEqualGUID( curClass->classIdentifier, rclsid))    {      /*       * Since we don't do out-of process or DCOM just right away, let's ignore the       * class context.       */      /*       * We have a match, return the pointer to the class object.       */      *ppUnk = curClass->classObject;      (*ppUnk)->AddRef();      return FX_S_OK;    }    /*     * Step to the next class in the list.     */    curClass = curClass->nextClass;  }  /*   * If we get to here, we haven't found our class.   */  return FX_S_FALSE;}