sambuc/codezero
1
0
Fork 0
mirror of https://github.com/drasko/codezero.git synced 2026-02-27 09:13:13 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Initial commit

Browse Source
This commit is contained in:
Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
789 changed files with 95825 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
include/l4/generic/scheduler.h Normal file
View File

@@ -0,0 +1,55 @@
/*
* Scheduler and runqueue API definitions.
*
* Copyright (C) 2007 Bahadir Balban
*/
#ifndef __SCHEDULER_H__
#define __SCHEDULER_H__
#include <l4/generic/tcb.h>
#include INC_SUBARCH(mm.h)
#include INC_GLUE(memory.h)
/* Ticks per second */
#define HZ 1000
#define TASK_TIMESLICE_DEFAULT 1
/* #define TASK_TIMESLICE_DEFAULT (HZ/100)*/
static inline struct ktcb *current_task(void)
{
register u32 stack asm("sp");
return (struct ktcb *)(stack & (~PAGE_MASK));
}
#define current current_task()
#define need_resched (current->ts_need_resched)
/* Flags set by kernel to direct the scheduler about future task state. */
#define __SCHED_FL_SUSPEND 1
#define SCHED_FL_SUSPEND (1 << __SCHED_FL_SUSPEND)
#define __SCHED_FL_RESUME 2
#define SCHED_FL_RESUME (1 << __SCHED_FL_RESUME)
#define __SCHED_FL_SLEEP 3
#define SCHED_FL_SLEEP (1 << __SCHED_FL_SLEEP)
#define SCHED_FL_MASK (SCHED_FL_SLEEP | SCHED_FL_RESUME \
| SCHED_FL_SUSPEND)
#define __IPC_FL_WAIT 4
#define IPC_FL_WAIT (1 << __IPC_FL_WAIT)
#define IPC_FL_MASK IPC_FL_WAIT
void sched_runqueue_init(void);
void sched_start_task(struct ktcb *task);
void sched_resume_task(struct ktcb *task);
void sched_suspend_task(struct ktcb *task);
void sched_process_post_ipc(struct ktcb *, struct ktcb *);
void sched_tell(struct ktcb *task, unsigned int flags);
void scheduler_start(void);
void sched_yield(void);
void schedule(void);
/* Asynchronous notifications to scheduler */
void sched_notify_resume(struct ktcb *task);
void sched_notify_sleep(struct ktcb *task);
void sched_notify_suspend(struct ktcb *task);
#endif /* __SCHEDULER_H__ */