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/*
* Copyright (c) 2012 Richard Braun.
*
* 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/>.
*/
#ifndef _KERN_THREAD_H
#define _KERN_THREAD_H
#include <kern/list.h>
#include <kern/macros.h>
#include <kern/task.h>
#include <machine/tcb.h>
/*
* Thread name buffer size.
*/
#define THREAD_NAME_SIZE 32
/*
* Type for thread entry point.
*/
typedef void (*thread_run_fn_t)(void *);
/*
* Thread structure.
*/
struct thread {
struct tcb *tcb;
struct list runq_node;
struct list task_node;
struct task *task;
void *stack;
char name[THREAD_NAME_SIZE];
thread_run_fn_t run_fn;
void *arg;
};
/*
* Initialize the thread module.
*/
void thread_setup(void);
/*
* Create a thread.
*
* If the given name is null, the task name is used instead.
*/
int thread_create(struct thread **threadp, const char *name, struct task *task,
thread_run_fn_t run_fn, void *arg);
/*
* Transform into a thread.
*
* This function is used during system initialization by code in "boot context"
* when creating the first thread on their processor.
*/
void __noreturn thread_load(struct thread *thread);
/*
* Thread entry point.
*/
void __noreturn thread_main(struct thread *thread);
#endif /* _KERN_THREAD_H */
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