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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/>.
*/
#include <kern/init.h>
#include <kern/kmem.h>
#include <kern/list.h>
#include <kern/stddef.h>
#include <kern/string.h>
#include <kern/task.h>
#include <kern/thread.h>
#include <vm/vm_kmem.h>
/*
* Kernel task and storage.
*/
static struct task kernel_task_store;
struct task *kernel_task = &kernel_task_store;
/*
* Cache for allocated tasks.
*/
static struct kmem_cache task_cache;
/*
* Global list of tasks.
*/
static struct list task_list;
static void
task_init(struct task *task, const char *name, struct vm_map *map)
{
list_init(&task->threads);
task->map = map;
strlcpy(task->name, name, sizeof(task->name));
}
void __init
task_setup(void)
{
kmem_cache_init(&task_cache, "task", sizeof(struct task),
0, NULL, NULL, NULL, 0);
task_init(kernel_task, "x15", kernel_map);
list_init(&task_list);
list_insert(&task_list, &kernel_task->node);
}
void
task_add_thread(struct task *task, struct thread *thread)
{
list_insert_tail(&task->threads, &thread->task_node);
}
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