自学教程：C++ CloseAll函数代码示例

static int InitListeningSocket(ChatDetails* _chat, char* _ip){	int optval = 1;	struct ip_mreq mreq;	mreq.imr_multiaddr.s_addr = inet_addr(_ip);	mreq.imr_interface.s_addr = htonl(INADDR_ANY);	if ((_chat->m_listeningSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)	{		perror("socket failed1/n");		free(_chat);		return -1;	}	if (setsockopt(_chat->m_listeningSocket, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)) < 0)	{		perror("setsockopt failed1/n");		CloseAll(_chat);		return -1;	}	if (bind(_chat->m_listeningSocket, (struct sockaddr*)&_chat->m_recvAddr, sizeof(_chat->m_recvAddr)) < 0)	{		perror("bind failed/n");		CloseAll(_chat);		return -1;	}	if (setsockopt(_chat->m_listeningSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char*)&mreq, sizeof(mreq)) < 0)	{		perror("setsockopt failed2/n");		CloseAll(_chat);		return -1;	}	return 0;}

void InitSelectGroup (struct MCMap *SelectGroup, gint start){    gulong i,j;    errormsg(MAPDEBUG1,"InitSelectGroup: Entered");    SelectGroup->mm_MapSize.x = SELXSIZE;    SelectGroup->mm_MapSize.y = SELYSIZE;    SelectGroup->mm_MapSize.l = 2;    SelectGroup->mm_Copy = FALSE;    SelectGroup->mm_Size = sizeof(struct MCMap);    SelectGroup->mm_NextLayer = NULL;    SelectGroup->mm_Columns = g_malloc0(sizeof(gulong)*SELYSIZE);    if (!SelectGroup->mm_Columns)    {      printf("Could not allocate memory for SelectGroup/n");      CloseAll();      exit(20);    }#if DEBUGLEV > 2    errormsg(MAPDEBUG3,"InitSelectGroup: SelectGroup->mm_Columns=%x, ",	     SelectGroup->mm_Columns);#endif    for(i=0;i<SELYSIZE;i++)    {        SelectGroup->mm_Rows = g_malloc0(sizeof(struct MapPiece)*SELXSIZE);#if DEBUGLEV > 5	errormsg(MAPDEBUG3,"InitSelectGroup: i=%d, SelectGroup->mm_Rows=%x",i,		 SelectGroup->mm_Rows);#endif        if (!SelectGroup->mm_Rows)        {            printf("Could not allocate memory for SelectGroup/n");            CloseAll();            exit(20);        }        SelectGroup->mm_Columns[i] = (gulong)SelectGroup->mm_Rows;        for(j=0;j<SELXSIZE;j++)        {#if DEBUGLEV > 5	    errormsg(MAPDEBUG6,"InitSelectGroup: j=%d",j);#endif            SelectGroup->mm_Rows[j].mp_Coordinates.x = j * 37;            SelectGroup->mm_Rows[j].mp_Coordinates.y = i * 13;            SelectGroup->mm_Rows[j].mp_Coordinates.l = 1;            SelectGroup->mm_Rows[j].mp_PixbufNumber = start+i*SELYSIZE+j;            SelectGroup->mm_Rows[j].mp_Size = sizeof(struct MapPiece);        }    }    errormsg(MAPDEBUG1,"InitSelectGroup: Finished succesfully");}

int main( int argc, char **argv ){#ifdef DELLOG    {        FILE *fh;        fh=fopen(getLogfile(),"w");	fclose(fh);    }#endif    gtk_init(&argc, &argv);#if DEBUGLEV > 4    errormsg(MAPMSG,"/nmain: Trying to load MapPieces Pixbuf...");#endif    if (!MapPicLoad())    {        printf("Could not load MapPieces Bitmap./n");        CloseAll();        exit(20);    }#if DEBUGLEV > 4    errormsg(MAPMSG,".Done/nmain: Trying to initialize window..");#endif    if (!(WO_Window=InitTestMEdWindow()))    {        printf("Did not get a Window pointer. Continuing anyway../n");        //CloseAll();        //exit(20);    }#if DEBUGLEV > 4    errormsg(MAPMSG,".Done/nMain Loop/n");#endif    /* Main Loop */    gtk_main();#if DEBUGLEV > 4    errormsg(MAPMSG,"Exiting..");#endif    CloseAll();#if DEBUGLEV > 4    errormsg(MAPMSG,".Done/n");#endif    exit(0);}

voidMessagePortService::CloseAll(const nsID& aUUID){  MessagePortServiceData* data;  if (!mPorts.Get(aUUID, &data)) {    MaybeShutdown();    return;  }  if (data->mParent) {    data->mParent->Close();  }  for (const MessagePortServiceData::NextParent& parent : data->mNextParents) {    parent.mParent->CloseAndDelete();  }  nsID destinationUUID = data->mDestinationUUID;  mPorts.Remove(aUUID);  CloseAll(destinationUUID);  // CloseAll calls itself recursively and it can happen that it deletes  // itself. Before continuing we must check if we are still alive.  if (!gInstance) {    return;  }#ifdef DEBUG  mPorts.EnumerateRead(CloseAllDebugCheck, const_cast<nsID*>(&aUUID));#endif  MaybeShutdown();}

boolMessagePortService::ClosePort(MessagePortParent* aParent){  MessagePortServiceData* data;  if (!mPorts.Get(aParent->ID(), &data)) {    MOZ_ASSERT(false, "Unknown MessagePortParent should not happend.");    return false;  }  if (data->mParent != aParent) {    MOZ_ASSERT(false, "ClosePort() should be called just from the correct parent.");    return false;  }  if (!data->mNextParents.IsEmpty()) {    MOZ_ASSERT(false, "ClosePort() should be called when there are not next parents.");    return false;  }  // We don't want to send a message to this parent.  data->mParent = nullptr;  CloseAll(aParent->ID());  return true;}

// DestructorCHtmlHelpControl::~CHtmlHelpControl(){	// Shut down the help control	CloseAll();	// Unload the control if we have it loaded.	Unload();}

void wxGenericMDIParentFrame::OnClose(wxCloseEvent& event){    if ( !CloseAll() )        event.Veto();    else        event.Skip();}

void MainBook::RestoreSession(SessionEntry& session){    if(session.GetTabInfoArr().empty()) return; // nothing to restore    CloseAll(false);    size_t sel = session.GetSelectedTab();    const std::vector<TabInfo>& vTabInfoArr = session.GetTabInfoArr();    for(size_t i = 0; i < vTabInfoArr.size(); i++) {        const TabInfo& ti = vTabInfoArr[i];        m_reloadingDoRaise = (i == vTabInfoArr.size() - 1); // Raise() when opening only the last editor        LEditor* editor = OpenFile(ti.GetFileName());        if(!editor) {            if(i < sel) {                // have to adjust selected tab number because couldn't open tab                sel--;            }            continue;        }        editor->SetFirstVisibleLine(ti.GetFirstVisibleLine());        editor->SetEnsureCaretIsVisible(editor->PositionFromLine(ti.GetCurrentLine()));        editor->LoadMarkersFromArray(ti.GetBookmarks());        editor->LoadCollapsedFoldsFromArray(ti.GetCollapsedFolds());    }    m_book->SetSelection(sel);}

void BattleScene::CleanupBattle(){	stage = 0;	scroll_timer = 0;	for (int i = 0; i < 6; i++)	{		if (opponent[i] != 0)		{			delete opponent[i];			opponent[i] = 0;		}	}	if (opponent_image)	{		//delete opponent_image;		//opponent_image = 0;	}	if (party_status)	{		delete party_status;		party_status = 0;	}	CloseAll(); //close all textboxes}

bool MediaSourceV4L2::CloseGrabDevice(){    bool tResult = false;    LOG(LOG_VERBOSE, "Going to close");    if (mMediaType == MEDIA_AUDIO)    {        LOG(LOG_ERROR, "Wrong media type");        return false;    }    if (mMediaSourceOpened)    {        CloseAll();        // Free the frames        av_free(mRGBFrame);        av_free(mSourceFrame);        tResult = true;    }else        LOG(LOG_INFO, "...wasn't open");    mGrabbingStopped = false;    mSupportsMultipleInputChannels = false;    mMediaType = MEDIA_UNKNOWN;    ResetPacketStatistic();    return tResult;}

void wxGenericMDIParentFrame::OnWindowMenu(wxCommandEvent &event){    switch ( event.GetId() )    {        case wxWINDOWCLOSE:            if ( m_currentChild )                m_currentChild->Close();            break;        case wxWINDOWCLOSEALL:            CloseAll();            break;        case wxWINDOWNEXT:            ActivateNext();            break;        case wxWINDOWPREV:            ActivatePrevious();            break;        default:            event.Skip();    }}

bool CTaiKlineHistorySelect::OpenAll(){	ASSERT(FALSE);	return false;	CloseAll();	CTime tm = CTime::GetCurrentTime ();	CString sTm = tm.Format ("%Y%m%d");	bool bToday = false;	for(int i=0;i<m_fileNameArray.GetSize ();i++)	{		CString sPathSh;		CString sPathSz;		CString filename ;		CString sTitle = m_fileNameArray[i];		CString title = sTitle+".hst";		sPathSh = "data//historysh//";		sPathSz = "data//historysz//";		CTaiKlineFileHS* pFile;		if(m_fileNameArray[i]>=sTm)		{			if(bToday == false)			{				sPathSh = "data//historysh//";				sPathSz = "data//historysz//";				title = "buysell.dat";				sTitle = "buysell";				bToday = true;			}			else				continue;		}		pFile = new CTaiKlineFileHS(true);		filename =sPathSh + title;		if(!pFile->Open (filename,0))		{			delete pFile;			continue;		}		m_fileHsShArray[sTitle] = (pFile);		pFile = new CTaiKlineFileHS(false);		filename =sPathSz + title;		if(!pFile->Open (filename,0))		{			delete pFile;			continue;		}		m_fileHsSzArray[sTitle] = (pFile);	}	return true;}

void MainBook::OnWorkspaceClosed(wxCommandEvent& e){    e.Skip();    CloseAll(false); // make sure no unsaved files    clStatusBar* sb = clGetManager()->GetStatusBar();    if(sb) {        sb->SetSourceControlBitmap(wxNullBitmap, "", "");    }}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////Tests macros and functions.//If (!aValue) then the test will be panicked, the test data files will be deleted.static void Check(TInt aValue, TInt aLine)	{	if(!aValue)		{		CloseAll();		DeleteFile(TheDatabaseFileName);		TheTest(EFalse, aLine);		}	}

void CloseAll (int in, int out, struct pipefdlist ** list){	if (*list == NULL)		return;	if (((*list)->fd)[0] != in)		close (((*list)->fd)[0]);	if (((*list)->fd)[1] != out)		close (((*list)->fd)[1]);	CloseAll (in, out, &((*list)->next));}

bool V4LHelper::Stop(){  CSingleLock lock(m_lock);  CloseAll();  m_lastFreq = "";  m_tuningState = DvbTuner::TUNING_STATE_IDLE;  return true;}

void COutput::Close(){	CAutoLock lock(&m_csecDevice);	if (!m_fDoubleBuf) {		CloseAll();		return;	}	Reset();}

void DirectoryFileSystem::DoState(PointerWrap &p) {	auto s = p.Section("DirectoryFileSystem", 0, 2);	if (!s)		return;	// Savestate layout:	// u32: number of entries	// per-entry:	//     u32:              handle number	//     std::string       filename (in guest's terms, untranslated)	//     enum FileAccess   file access mode	//     u32               seek position	//     s64               current truncate position (v2+ only)	u32 num = (u32) entries.size();	p.Do(num);	if (p.mode == p.MODE_READ) {		CloseAll();		u32 key;		OpenFileEntry entry;		for (u32 i = 0; i < num; i++) {			p.Do(key);			p.Do(entry.guestFilename);			p.Do(entry.access);			u32 err;			if (!entry.hFile.Open(basePath,entry.guestFilename,entry.access, err)) {				ERROR_LOG(FILESYS, "Failed to reopen file while loading state: %s", entry.guestFilename.c_str());				continue;			}			u32 position;			p.Do(position);			if (position != entry.hFile.Seek(position, FILEMOVE_BEGIN)) {				ERROR_LOG(FILESYS, "Failed to restore seek position while loading state: %s", entry.guestFilename.c_str());				continue;			}			if (s >= 2) {				p.Do(entry.hFile.needsTrunc_);			}			entries[key] = entry;		}	} else {		for (auto iter = entries.begin(); iter != entries.end(); ++iter) {			u32 key = iter->first;			p.Do(key);			p.Do(iter->second.guestFilename);			p.Do(iter->second.access);			u32 position = (u32)iter->second.hFile.Seek(0, FILEMOVE_CURRENT);			p.Do(position);			p.Do(iter->second.hFile.needsTrunc_);		}	}}

void CXMMTCtrl::OnResetState(){	COleControl::OnResetState();  // DoPropExchange を呼び出してデフォルト
C++ CloseBlob函数代码示例
C++ Close函数代码示例