[SDK] One step further towards ReactOS source code tree restructure: the sdk folder...

[reactos.git] / reactos / lib / drivers / sound / mmebuddy / kernel.c

diff --git a/reactos/lib/drivers/sound/mmebuddy/kernel.c b/reactos/lib/drivers/sound/mmebuddy/kernel.c
deleted file mode 100644 (file)
index 63b57a4..0000000
--- a/reactos/lib/drivers/sound/mmebuddy/kernel.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * PROJECT:     ReactOS Sound System "MME Buddy" Library
- * LICENSE:     GPL - See COPYING in the top level directory
- * FILE:        lib/drivers/sound/mmebuddy/kernel.c
- *
- * PURPOSE:     Routines assisting with device I/O between user-mode and
- *              kernel-mode.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
-*/
-
-#include "precomp.h"
-
-/*
-    Wraps around CreateFile in order to provide a simpler interface tailored
-    towards sound driver support code. This simply takes a device path and
-    opens the device in either read-only mode, or read/write mode (depending on
-    the ReadOnly parameter).
-
-    If the device is opened in read/write mode, it is opened for overlapped I/O.
-*/
-MMRESULT
-OpenKernelSoundDeviceByName(
-    IN  PWSTR DevicePath,
-    IN  BOOLEAN ReadOnly,
-    OUT PHANDLE Handle)
-{
-    DWORD AccessRights;
-
-    VALIDATE_MMSYS_PARAMETER( DevicePath );
-    VALIDATE_MMSYS_PARAMETER( Handle );
-
-    AccessRights = ReadOnly ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE;
-
-    SND_TRACE(L"OpenKernelSoundDeviceByName: %wS\n", DevicePath);
-    *Handle = CreateFile(DevicePath,
-                         AccessRights,
-                         FILE_SHARE_WRITE,  /* FIXME? Should be read also? */
-                         NULL,
-                         OPEN_EXISTING,
-                         ReadOnly ? 0 : FILE_FLAG_OVERLAPPED,
-                         NULL);
-
-    if ( *Handle == INVALID_HANDLE_VALUE )
-    {
-        SND_ERR(L"CreateFile filed - winerror %d\n", GetLastError());
-        return Win32ErrorToMmResult(GetLastError());
-    }
-
-    return MMSYSERR_NOERROR;
-}
-
-
-/*
-    Just a wrapped around CloseHandle.
-*/
-MMRESULT
-CloseKernelSoundDevice(
-    IN  HANDLE Handle)
-{
-    VALIDATE_MMSYS_PARAMETER( Handle );
-
-    CloseHandle(Handle);
-
-    return MMSYSERR_NOERROR;
-}
-
-/*
-    This is a wrapper around DeviceIoControl which provides control over
-    instantiated sound devices. It waits for I/O to complete (since an
-    instantiated sound device is opened in overlapped mode, this is necessary).
-*/
-MMRESULT
-SyncOverlappedDeviceIoControl(
-    IN  HANDLE Handle,
-    IN  DWORD IoControlCode,
-    IN  LPVOID InBuffer,
-    IN  DWORD InBufferSize,
-    OUT LPVOID OutBuffer,
-    IN  DWORD OutBufferSize,
-    OUT LPDWORD BytesTransferred OPTIONAL)
-{
-    OVERLAPPED Overlapped;
-    BOOLEAN IoResult;
-    DWORD Transferred;
-
-    /* Overlapped I/O is done here - this is used for waiting for completion */
-    ZeroMemory(&Overlapped, sizeof(OVERLAPPED));
-    Overlapped.hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
-
-    if ( ! Overlapped.hEvent )
-        return Win32ErrorToMmResult(GetLastError());
-
-    /* Talk to the device */
-    IoResult = DeviceIoControl(Handle,
-                               IoControlCode,
-                               InBuffer,
-                               InBufferSize,
-                               OutBuffer,
-                               OutBufferSize,
-                               NULL,
-                               &Overlapped);
-
-    /* If failure occurs, make sure it's not just due to the overlapped I/O */
-    if ( ! IoResult )
-    {
-        if ( GetLastError() != ERROR_IO_PENDING )
-        {
-            CloseHandle(Overlapped.hEvent);
-            return Win32ErrorToMmResult(GetLastError());
-        }
-    }
-
-    /* Wait for the I/O to complete */
-    IoResult = GetOverlappedResult(Handle,
-                                   &Overlapped,
-                                   &Transferred,
-                                   TRUE);
-
-    /* Don't need this any more */
-    CloseHandle(Overlapped.hEvent);
-
-    if ( ! IoResult )
-        return Win32ErrorToMmResult(GetLastError());
-
-    SND_TRACE(L"Transferred %d bytes in Sync overlapped I/O\n", Transferred);
-
-    if ( BytesTransferred )
-        *BytesTransferred = Transferred;
-
-    return MMSYSERR_NOERROR;
-}