Flush()

unsafe void System.IO.MemoryMappedFiles.MemoryMappedView.Flush ( UIntPtr capacity )

inline

Definition at line 94 of file MemoryMappedView.cs.

    {
        byte* pointer = null;
        try
        {
            _viewHandle.AcquirePointer(ref pointer);
            if (global::Interop.Kernel32.FlushViewOfFile((IntPtr)pointer, capacity))
            {
                return;
            }
            int lastPInvokeError = Marshal.GetLastPInvokeError();
            if (lastPInvokeError != 33)
            {
                throw System.IO.Win32Marshal.GetExceptionForWin32Error(lastPInvokeError);
            }
            SpinWait spinWait = default(SpinWait);
            for (int i = 0; i < 15; i++)
            {
                int millisecondsTimeout = 1 << i;
                Thread.Sleep(millisecondsTimeout);
                for (int j = 0; j < 20; j++)
                {
                    if (global::Interop.Kernel32.FlushViewOfFile((IntPtr)pointer, capacity))
                    {
                        return;
                    }
                    lastPInvokeError = Marshal.GetLastPInvokeError();
                    if (lastPInvokeError != 33)
                    {
                        throw System.IO.Win32Marshal.GetExceptionForWin32Error(lastPInvokeError);
                    }
                    spinWait.SpinOnce();
                }
            }
            throw System.IO.Win32Marshal.GetExceptionForWin32Error(lastPInvokeError);
        }
        finally
        {
            if (pointer != null)
            {
                _viewHandle.ReleasePointer();
            }
        }
    }

References System.IO.MemoryMappedFiles.MemoryMappedView._viewHandle, System.Runtime.InteropServices.SafeBuffer.AcquirePointer(), System.capacity, System.IO.Win32Marshal.GetExceptionForWin32Error(), System.Runtime.InteropServices.Marshal.GetLastPInvokeError(), System.millisecondsTimeout, System.pointer, System.Runtime.InteropServices.SafeBuffer.ReleasePointer(), System.Threading.Thread.Sleep(), and System.Threading.SpinWait.SpinOnce().

Referenced by System.IO.MemoryMappedFiles.MemoryMappedViewAccessor.Flush(), and System.IO.MemoryMappedFiles.MemoryMappedViewStream.Flush().