SafeHandle：文件句柄、网络句柄......核心步骤： 初始化时将SafeHandle、ThreadPool与IO完成端口进行绑定（比如：FileStream在Init时） （主线程）创建IO完成端口：CreateIoCompletionPort...创建IO完成端口 var safehandle = IOCP.CreateIoCompletionPort(new IntPtr(-1), IntPtr.Zero, IntPtr.Zero, 1);...Environment.CurrentManagedThreadId} 开始获取数据..."); while (true) { // 3. get数据 IOCP.GetQueuedCompletionStatus(safehandle...; // 2. post 数据 var data = (IntPtr)GCHandle.Alloc("hello world"); IOCP.PostQueuedCompletionStatus(safehandle
SetLastError = true)] static extern bool MiniDumpWriteDump(IntPtr hProcess, uint processId, SafeHandle...SetLastError = true)] static extern bool MiniDumpWriteDump(IntPtr hProcess, uint processId, SafeHandle...ExactSpelling = true)] static extern uint GetCurrentThreadId(); static bool Write(SafeHandle...fileHandle, (uint)options, ref exp, IntPtr.Zero, IntPtr.Zero); } static bool Write(SafeHandle
OpenSslCryptographicException: error:2006D002:BIO routines:BIO_new_file:system lib at Interop.Crypto.CheckValidOpenSslHandle(SafeHandle
} [System.Security.SecurityCritical] internal static bool InternalWaitOne(SafeHandle...MethodImplAttribute(MethodImplOptions.InternalCall)] private static extern int WaitOneNative(SafeHandle
ManualResetEvent，ReaderWriterLockSlim，Semaphore 这些 IDisposable 对象，里面的所谓“资源”，归根结底都是一些很小的 Windows event 对象，而且它们都继承了 SafeHandle...SafeHandle 本身有一个“析构函数”（finalizer），它看起来是这个样子： ~SafeHandle() { Dispose(false); } 当 SafeHandle 被 GC 回收的时候
utils.ScreenshotHelper.takeScreenshot(ScreenshotHelper.java:79)\n\tat io.appium.uiautomator2.handler.CaptureScreenshot.safeHandle...ScreenshotHelper.java:79) [MJSONWP (669c743a)] at io.appium.uiautomator2.handler.CaptureScreenshot.safeHandle
System.Threading.WaitHandle.InternalWaitOne(System.Runtime.InteropServices.SafeHandle waitableSafeHandle...System.Threading.WaitHandle.InternalWaitOne(System.Runtime.InteropServices.SafeHandle waitableSafeHandle...System.Threading.WaitHandle.InternalWaitOne(System.Runtime.InteropServices.SafeHandle waitableSafeHandle...System.Threading.WaitHandle.InternalWaitOne(System.Runtime.InteropServices.SafeHandle waitableSafeHandle...System.Threading.WaitHandle.InternalWaitOne(System.Runtime.InteropServices.SafeHandle waitableSafeHandle
Tip：在 .NET 中访问非托管资源还可以通过 System.Runtime.Interop.SafeHandle 的派生类来访问，该类正确实现了标准的 dispose 。
尽可能，所有句柄都已转换为以Windows API句柄命名的SafeHandle派生工具。...如果这些句柄需要调用函数以释放/关闭/销毁，则存在一个派生的SafeHANDLE，该函数将在disposal时执行该函数。 例如，定义了HTOKEN。...extractions via reflection* Extension and helper methods to marshaling structures arrays and strings* SafeHandle
CallingConvention.Cdecl)] private delegate bool MiniDumpWriteDump(IntPtr hProcess, uint ProcessId, SafeHandle
This new mechanism is exposed by the SafeHandle class....SafeHandles encapsulate a handle in the form of an IntPtr, but by exposing it as a subclass of the SafeHandle...The behavior depends on its use: On outgoing parameters, the SafeHandle's handle is passed....On return values, a new instance of the concrete SafeHandle class is created, and the handle value is...On structure fields, the SafeHandle's handle is passed.
ThreadPoolBoundHandleOverlapped -> System.IO.FileSystemWatcher+AsyncReadState -> Buffer[]， 这中间涉及到 ThreadPool 和 SafeHandle
string MachineName {get;set;} # ServiceHandle Property System.Runtime.InteropServices.SafeHandle
, Int64&) SafeFileHandle FileStream.get_SafeFileHandle() bool GetFileInfo(DateTime&, Int64&) IntPtr SafeHandle.DangerousGetHandle...NLog.Internal.FileAppenders.MutexMultiProcessFileAppender: bool GetFileInfo(DateTime&, Int64&) IntPtr SafeHandle.DangerousGetHandle
在大多数情况下，通过使用 System.Runtime.InteropServices.SafeHandle 或派生类包装任何非托管句柄，可以免去编写终结器的过程。
（P464 last2） SafeHandle类（P467-P475） 终结的内部工作原理：终结表面上很简单:创建对象，当它被回收时，它的Finalize方法得以调用。
BindHandle(SafeHandle) 将操作系统句柄绑定到 ThreadPool。
还应考虑使用 SafeHandle 类，而不是直接管理非托管资源。
00000076dbdbcd10 00007ffdaab08fe3 SNINativeMethodWrapper.SNIReadSyncOverAsync(System.Runtime.InteropServices.SafeHandle...00000076dbf7af90 00007ffdaab08fe3 SNINativeMethodWrapper.SNIReadSyncOverAsync(System.Runtime.InteropServices.SafeHandle
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