windows_mmcss.h

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/*
 * Copyright (C) 2015 John Emmas <john@creativepost.co.uk>
 * Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef PBD_WINDOWS_MMCSS_H
#define PBD_WINDOWS_MMCSS_H
 
#include <windows.h>
 
#include <string>
 
#include "pbd/signals.h"
#include "pbd/libpbd_visibility.h"
 
namespace PBD {
 
namespace MMCSS {
 
enum AVRT_PRIORITY {
        AVRT_PRIORITY_VERYLOW = -2,
        AVRT_PRIORITY_LOW,
        AVRT_PRIORITY_NORMAL,
        AVRT_PRIORITY_HIGH,
        AVRT_PRIORITY_CRITICAL
};
 
#ifndef ERROR_INVALID_TASK_NAME
enum error_codes {
        ERROR_INVALID_TASK_NAME = 1550,
        ERROR_INVALID_TASK_INDEX = 1551
};
#endif
 
bool LIBPBD_API initialize ();
 
bool LIBPBD_API deinitialize ();
 
bool LIBPBD_API set_thread_characteristics (const std::string& task_name, HANDLE *task_handle);
 
bool LIBPBD_API revert_thread_characteristics (HANDLE task_handle);
 
bool LIBPBD_API set_thread_priority (HANDLE, AVRT_PRIORITY);
 
extern LIBPBD_API Signal<void()> MMCSSError;
 
} // namespace MMCSS
 
} // namespace PBD
 
#endif // PBD_WINDOWS_MMCSS_H