67 lines
1.6 KiB
C

#pragma once
/*
* This file is part of open_agb_firm
* Copyright (C) 2021 derrek, profi200
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "kernel.h"
#ifdef __cplusplus
extern "C"
{
#endif
// TODO: Implement this using semaphores?
/**
* @brief Creates a new kernel mutex.
*
* @return The KHandle of the mutex or NULL on error.
*/
KHandle createMutex(void);
/**
* @brief Deletes a kernel mutex.
*
* @param[in] kmutex The KHandle of the mutex.
*/
void deleteMutex(KHandle const kmutex);
/**
* @brief Locks a kernel mutex.
*
* @param[in] kmutex The KHandle of the mutex.
*
* @return Returns the result. See Kres in kernel.h.
*/
KRes lockMutex(KHandle const kmutex);
/**
* @brief Unlocks a kernel mutex.
*
* @param[in] kmutex The KHandle of the mutex.
*
* @return Returns KRES_NO_PERMISSIONS immediately if the current task
* @return is not the owner. Otherwise KRES_OK.
*/
KRes unlockMutex(KHandle const kmutex);
#ifdef __cplusplus
} // extern "C"
#endif