pcontext - 腾讯云开发者社区

=NULL) { if(pBuffer->nSequenceNumber == pContext->nCurrentReadSequence) return...->pOutOfOrderReads; pContext->pOutOfOrderReads = pBuffer; } else...=NULL &&(ptr->nSequenceNumber == pContext->nCurrentReadSequence)) { pContext->pOutOfOrderReads...=NO_ERROR) { ::LeaveCriticalSection(&pContext->Lock); return FALSE; } pContext...->nOutstandingRecv++; pContext->nReadSequence++; ::LeaveCriticalSection(&pContext->Lock);

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代码差不多与缓冲区上下文对象差不多，释放的代码如下： void CIOCPServer::RealeaseContext(CIOCPContext *pContext) { if(pContext...= INVALID_SOCKET) ::closesocket(pContext->s); CIOCPBuffer *pNext; while(pContext->pOutOfOrderReads...=NULL) { pNext = pContext->pOutOfOrderReads->pNext; ReleaseBuffer(pContext->pOutOfOrderReads...); pContext->pOutOfOrderReads = pNext; } ::EnterCriticalSection(&m_pFreeBufferListLock...; memset(pContext,0,sizeof(CIOCPContext)); pContext->Lock = cstmp; pContext->

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android异步操作

附源码： public class ActivityUtils { public static void doAsync(final Context pContext, final int..., pCallable, pCallback, null, pCancelable); } public static void doAsync(final Context pContext..., pContext.getString(pTitleResID), pContext.getString(pMessageResID), pCallable, pCallback, pExceptionCallback..., pCancelable); } public static void doAsync(final Context pContext, final CharSequence ..., pContext.getString(pTitleResID), pContext.getString(pMessageResID)); pAsyncCallable.call(

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pContext->nOutstandingSend--; ::LeaveCriticalSection(&pContext->Lock); //检查套接字是否已经打开...\n"); #endif //_DEBUG if(pContext->nOutstandingRecv == 0 && pContext...(pContext); if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0)...if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0) {...if(pContext->nOutstandingRecv == 0 && pContext->nOutstandingSend == 0) {

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1、初始化sp_pcontext的时候所有的参数都为0 sp_pcontext::sp_pcontext(THD *thd) : m_level(0), m_max_var_index...{init(0, 0, 0, 0);} 2、每加一层sp_pcontext，当前的m_cursor_offset=上一层cursor个数 sp_pcontext::sp_pcontext(THD *thd..., sp_pcontext *prev, sp_pcontext::enum_scope scope) : m_level(prev->m_level...层，需要把当前的max_cursor_index()信息值赋值给上一层的m_max_cursor_index，即当前的cursor数量累加给上一层 sp_pcontext *sp_pcontext::pop_context...else -- 上层sp_pcontext返回下层所有sp_pcontext的m_max_cursor_index的值，再加上当前层的m_cursors.size()值。

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#include #include using namespace std; DWORD WINAPI Thread1(PVOID pContext...); DWORD WINAPI Thread2(PVOID pContext); DWORD WINAPI Thread3(PVOID pContext); CRITICAL_SECTION g_cs...) { EnterCriticalSection(&g_cs); wchar_t * wszVal = (wchar_t*)pContext; wcout << L"wszVal:" << wszVal...) { EnterCriticalSection(&g_cs); wchar_t * wszVal = (wchar_t*)pContext; wcout << L"wszVal:" << wszVal...) { EnterCriticalSection(&g_cs); wchar_t * wszVal = (wchar_t*)pContext; wcout << L"wszVal:" << wszVal

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assert.h> #include #include using namespace std; DWORD WINAPI TestThreadPool1(PVOID pContext...); DWORD WINAPI TestThreadPool2(PVOID pContext); DWORD WINAPI TestThreadPool3(PVOID pContext); CRITICAL_SECTION...TestThreadPool3, L"Hello World", WT_EXECUTEDEFAULT); getchar(); return 0; } DWORD WINAPI TestThreadPool1(PVOID pContext...100;i++) { cout<<"One Thread is : "<<i<<endl; } return 0; } DWORD WINAPI TestThreadPool2(PVOID pContext...100;i++) { cout<<"Two Thread is : "<<i<<endl; } return 0; } DWORD WINAPI TestThreadPool3(PVOID pContext

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Android FFmpeg 实现带滤镜的微信小视频录制功能

= MediaRecorderContext::GetContext(env, thiz); if(pContext) pContext->OnAudioData(buf, len);...= MediaRecorderContext::GetContext(env, thiz); if(pContext) pContext->OnPreviewFrame(format, buf...= MediaRecorderContext::GetContext(env, thiz); if(pContext) return pContext->StopRecord(); return...= MediaRecorderContext::GetContext(env, thiz); if(pContext) pContext->SetLUTImage(index, format,...= MediaRecorderContext::GetContext(env, thiz); if(pContext) pContext->SetFragShader(index, buf,

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DWORD WINAPI TestThreadPool(PVOID pContext); CRITICAL_SECTION g_cs; int _tmain(int argc, _TCHAR* argv...&g_cs); wprintf(L”Game over /r/n”); getchar(); return 0; } DWORD WINAPI TestThreadPool(PVOID pContext...) { if (NULL == pContext) return 0; EnterCriticalSection(&g_cs); wchar_t *pPrintf = (wchar_t *...) pContext; wprintf(L”%s /r/n”, pPrintf); Sleep(1000); if (wcscmp(pPrintf, L”Finish”) == 0) {

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窗口分割

m_wndSplitter.Create(this,2,2,CSize(100,100),pContext); 　　动态创建的分割窗口的窗格数目不能超过2×2，而且对于所有的窗格，都必须共享同一个视图...BOOL CreateView (int row,int col,CruntimeClass* pViewClass,SIZE sizeinit,CcreateContext* pContext);...); 　m_wndSplitter1.CreateView(2,0,RUNTIME_CLASS(CView4),CSize(100,100),pContext); 　//将CView4连接到2行0列...m_wndSplitter.CreateView(0, 0,pContext->m_pNewViewClass, CSize(130, 50), pContext)) 　{ 　　TRACE0(“Failed...m_wndSplitter.CreateView(0, 0,pContext->m_pNewViewClass, CSize(200, 50), pContext)) 　{ 　　TRACE0(“Failed

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Android FFmpeg 实现带滤镜的微信小视频录制功能

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_pcontext 的 close方法。..._pcontext = start_processes( # 把启动多线程的结果保存在 _pcontext 之中。...在启动多进程时候，把结果保存在 _pcontext 之中，这是一个 PContext 类型的实例。 self...._pcontext = start_processes( # 把启动多线程的结果保存在 _pcontext 之中。...2.2 PContext PContext 就是一个抽象类，实际上就是些基本配置。

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支持定时任务的任务池

define INVALID_TASK_ID 0 // task entry typedef void (__stdcall *TaskProc)(unsigned int nTaskId, void* pContext...public: unsigned int m_nTaskId = 0; TaskProc m_pTaskProcFun = nullptr; void* m_pContext...= NULL; } unsigned int CTaskPool::PostTask(TaskProc pFunc, void* pContext) { if (m_hTaskPoolWnd...= pContext; if (PostMessage(m_hTaskPoolWnd, WM_TASK_POOL, 0, (LPARAM)pTaskItem)) { return...= pContext; CCriticalSection cs(m_csTaskPool.GetCS()); m_mapTimerId2Task[nTaskId] = pTaskItem

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FFmpeg 视频录制 - 视频添加滤镜和编码

简单封装了一下 const char* url = env->GetStringUTFChars(out_url, nullptr); MediaRecorderContext *pContext...= MediaRecorderContext::GetContext(env, thiz); env->ReleaseStringUTFChars(out_url, url); if(pContext...) return pContext->StartRecord(recorder_type, url, frame_width, frame_height, video_bit_rate, fps);...= MediaRecorderContext::GetContext(env, thiz); if(pContext) return pContext->StopRecord(); return...= MediaRecorderContext::GetContext(env, thiz); if(pContext) pContext->OnPreviewFrame(format, buf

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EXCEPTION_SINGLE_STEP) { if((DWORD)pExceptionInfo->ExceptionRecord->ExceptionAddress == g_dwHookAddr) { PCONTEXT...pContext = pExceptionInfo->ContextRecord; ChangeContext(pContext); pContext->Eip = (DWORD)&OriginalFunc...} 这里ChangeContext要实现的功能就是修改文本框中的内容，esp指向的是MessageBox，那么esp+8即为MessageBox的第二个参数 void ChangeContext(PCONTEXT...pContext) { char szBuffer[0x100]; DWORD dwOldProtect = 0; DWORD dwLength = 0; LPSTR lpOldText =...NULL; char szNewText[] = "SEH Hook successfully"; lpOldText = (LPSTR)(*(DWORD*)(pContext->Esp +

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return p; } // 从数组中移除一个指定的IoContext void RemoveContext( _PER_IO_CONTEXT* pContext...) { ASSERT( pContext!...=NULL ); for( int i=0;i<m_arrayIoContext.GetCount();i++ ) { if( pContext...==m_arrayIoContext.GetAt(i) ) { delete pContext; pContext...); // 处理完成端口上的错误 bool HandleError( PER_SOCKET_CONTEXT *pContext, const

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EXCEPTION_SINGLE_STEP) { if((DWORD)pExceptionInfo->ExceptionRecord->ExceptionAddress == g_dwHookAddr) { PCONTEXT...pContext = pExceptionInfo->ContextRecord; ChangeContext(pContext); pContext->Eip = (DWORD)&OriginalFunc...; } 这里ChangeContext要实现的功能就是修改文本框中的内容，esp指向的是MessageBox，那么esp+8即为MessageBox的第二个参数 void ChangeContext(PCONTEXT...pContext) { char szBuffer[0x100]; DWORD dwOldProtect = 0; DWORD dwLength = 0; LPSTR lpOldText =...NULL; char szNewText[] = "SEH Hook successfully"; lpOldText = (LPSTR)(*(DWORD*)(pContext->Esp +

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delegate void OutDelegate(IntPtr hSearch, DVSNET_FILE_TIME pFileTime, DVSNET_FILE_INFO pFileInfo, IntPtr pcontext...BeforeRecordFrame(IntPtr hChannel, ref RECORD_INFO pRecordInfo, ref FRAME_HEADER pFrameHeader, IntPtr pcontext...) { OutText(hSearch, pFileTime, pFileInfo, pcontext); } public void OutText(IntPtr hSearch..., DVSNET_FILE_TIME pFileTime, DVSNET_FILE_INFO pFileInfo, IntPtr pcontext) { if (lvVideo.InvokeRequired...string sGateWay, string sMultiIp, string sDNS, ushort wMultiPort, int nChCount, uint bDHCP, IntPtr pcontext

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CIOCP自定义帮助函数

CIOCPServer的数据结构定义及内存池方案

android异步操作

IO处理线程

GreatSQL的多层SP中Cursor的m_max_cursor_index相关BUG分析

MySQL的多层SP中Cursor的m_max_cursor_index相关BUG分析

4个线程池_vc2010线程win32线程已退出

C++线程池实现_java线程池状态

Android FFmpeg 实现带滤镜的微信小视频录制功能

QueueUserWorkItem 初步学习

窗口分割

Android FFmpeg 实现带滤镜的微信小视频录制功能

PyTorch 分布式之弹性训练(6)---监控容错

支持定时任务的任务池

FFmpeg 视频录制 - 视频添加滤镜和编码

FFmpeg 视频录制 - 视频添加滤镜和编码

通过硬件断点对抗hook检测

windows完成端口（四）

通过硬件断点对抗hook检测

C#编写的IP摄像头代码

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