CreateCore()

static SafeMemoryMappedFileHandle System.IO.MemoryMappedFiles.MemoryMappedFile.CreateCore ( FileStream fileStream, string mapName, HandleInheritability inheritability, MemoryMappedFileAccess access, MemoryMappedFileOptions options, long capacity )

inlinestaticprivate

Definition at line 409 of file MemoryMappedFile.cs.

    {
        SafeFileHandle safeFileHandle = fileStream?.SafeFileHandle;
        global::Interop.Kernel32.SECURITY_ATTRIBUTES securityAttributes = GetSecAttrs(inheritability);
        if (fileStream != null)
        {
            VerifyMemoryMappedFileAccess(access, capacity, fileStream);
        }
        SafeMemoryMappedFileHandle safeMemoryMappedFileHandle = ((safeFileHandle != null) ? global::Interop.CreateFileMapping(safeFileHandle, ref securityAttributes, GetPageAccess(access) | (int)options, capacity, mapName) : global::Interop.CreateFileMapping(new IntPtr(-1), ref securityAttributes, GetPageAccess(access) | (int)options, capacity, mapName));
        int lastPInvokeError = Marshal.GetLastPInvokeError();
        if (!safeMemoryMappedFileHandle.IsInvalid)
        {
            if (lastPInvokeError == 183)
            {
                safeMemoryMappedFileHandle.Dispose();
                throw System.IO.Win32Marshal.GetExceptionForWin32Error(lastPInvokeError);
            }
            return safeMemoryMappedFileHandle;
        }
        safeMemoryMappedFileHandle.Dispose();
        throw System.IO.Win32Marshal.GetExceptionForWin32Error(lastPInvokeError);
    }

References System.capacity, System.Runtime.InteropServices.SafeHandle.Dispose(), System.IO.Win32Marshal.GetExceptionForWin32Error(), System.Runtime.InteropServices.Marshal.GetLastPInvokeError(), System.IO.MemoryMappedFiles.MemoryMappedFile.GetPageAccess(), System.IO.MemoryMappedFiles.MemoryMappedFile.GetSecAttrs(), Microsoft.Win32.SafeHandles.SafeMemoryMappedFileHandle.IsInvalid, System.options, System.IO.FileStream.SafeFileHandle, and System.IO.MemoryMappedFiles.MemoryMappedFile.VerifyMemoryMappedFileAccess().

Referenced by System.IO.MemoryMappedFiles.MemoryMappedFile.CreateFromFile(), System.IO.MemoryMappedFiles.MemoryMappedFile.CreateFromFile(), and System.IO.MemoryMappedFiles.MemoryMappedFile.CreateNew().