mirror of
https://gitee.com/anod/open_agb_firm.git
synced 2025-05-06 13:54:09 +08:00
78 lines
2.2 KiB
C
78 lines
2.2 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 <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
enum
|
|
{
|
|
KRES_OK = 0, // No error.
|
|
KRES_INVALID_HANDLE = 1, // The handle or object doesn't exist.
|
|
KRES_HANDLE_DELETED = 2, // The handle has been deleted externally.
|
|
//KRES_WAIT_QUEUE_FULL = 3, // The wait queue is full. We can't block on it.
|
|
KRES_WOULD_BLOCK = 3, // The function would block. For non-blocking APIs.
|
|
KRES_NO_PERMISSIONS = 4 // You have no permissions. Example unlocking a mutex on a different task.
|
|
};
|
|
|
|
typedef uintptr_t KRes; // See createTask() implementation.
|
|
typedef uintptr_t KHandle;
|
|
typedef void (*TaskFunc)(void*);
|
|
|
|
|
|
|
|
/**
|
|
* @brief Initializes the kernel. Only call this once.
|
|
*
|
|
* @param[in] priority The priority of the main task.
|
|
*/
|
|
void kernelInit(uint8_t priority);
|
|
|
|
|
|
/**
|
|
* @brief Creates a new kernel task.
|
|
*
|
|
* @param[in] stackSize The stack size.
|
|
* @param[in] priority The priority.
|
|
* @param[in] entry The entry function.
|
|
* @param taskArg The task entry function argument.
|
|
*
|
|
* @return Returns a KHandle for the created task or NULL on error.
|
|
*/
|
|
KHandle createTask(size_t stackSize, uint8_t priority, TaskFunc entry, void *taskArg);
|
|
|
|
/**
|
|
* @brief Switches to the next task. Use with care.
|
|
*/
|
|
void yieldTask(void);
|
|
|
|
/**
|
|
* @brief Task exit function. Must be called from the task that exits.
|
|
*/
|
|
void taskExit(void);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif |