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Commit c41cfc6c authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched/headers: Move the JOBCTL_ defines and methods from <linux/sched.h> to <linux/sched/jobctl.h> 



Only a small fraction of sched.h users actually utilizes these defines,
and they are not scheduler functionality in any case, so move them
into their separate header.

(Also make <linux/sched/jobctl.h> a self-contained header.)

Acked-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 5647028d

include/linux/sched.h

+0 −30
Original line number Diff line number Diff line
@@ -1549,36 +1549,6 @@ TASK_PFA_CLEAR(SPREAD_SLAB, spread_slab) 
TASK_PFA_TEST(LMK_WAITING, lmk_waiting)

TASK_PFA_SET(LMK_WAITING, lmk_waiting)



/*

 * task->jobctl flags

 */

#define JOBCTL_STOP_SIGMASK	0xffff	/* signr of the last group stop */



#define JOBCTL_STOP_DEQUEUED_BIT 16	/* stop signal dequeued */

#define JOBCTL_STOP_PENDING_BIT	17	/* task should stop for group stop */

#define JOBCTL_STOP_CONSUME_BIT	18	/* consume group stop count */

#define JOBCTL_TRAP_STOP_BIT	19	/* trap for STOP */

#define JOBCTL_TRAP_NOTIFY_BIT	20	/* trap for NOTIFY */

#define JOBCTL_TRAPPING_BIT	21	/* switching to TRACED */

#define JOBCTL_LISTENING_BIT	22	/* ptracer is listening for events */



#define JOBCTL_STOP_DEQUEUED	(1UL << JOBCTL_STOP_DEQUEUED_BIT)

#define JOBCTL_STOP_PENDING	(1UL << JOBCTL_STOP_PENDING_BIT)

#define JOBCTL_STOP_CONSUME	(1UL << JOBCTL_STOP_CONSUME_BIT)

#define JOBCTL_TRAP_STOP	(1UL << JOBCTL_TRAP_STOP_BIT)

#define JOBCTL_TRAP_NOTIFY	(1UL << JOBCTL_TRAP_NOTIFY_BIT)

#define JOBCTL_TRAPPING		(1UL << JOBCTL_TRAPPING_BIT)

#define JOBCTL_LISTENING	(1UL << JOBCTL_LISTENING_BIT)



#define JOBCTL_TRAP_MASK	(JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY)

#define JOBCTL_PENDING_MASK	(JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK)



extern bool task_set_jobctl_pending(struct task_struct *task,

				    unsigned long mask);

extern void task_clear_jobctl_trapping(struct task_struct *task);

extern void task_clear_jobctl_pending(struct task_struct *task,

				      unsigned long mask);



static inline void rcu_copy_process(struct task_struct *p)

{

#ifdef CONFIG_PREEMPT_RCU

include/linux/sched/jobctl.h

+32 −0
Original line number Diff line number Diff line 
#ifndef _LINUX_SCHED_JOBCTL_H

#define _LINUX_SCHED_JOBCTL_H



#include <linux/types.h>



struct task_struct;



/*

 * task->jobctl flags

 */

#define JOBCTL_STOP_SIGMASK	0xffff	/* signr of the last group stop */



#define JOBCTL_STOP_DEQUEUED_BIT 16	/* stop signal dequeued */

#define JOBCTL_STOP_PENDING_BIT	17	/* task should stop for group stop */

#define JOBCTL_STOP_CONSUME_BIT	18	/* consume group stop count */

#define JOBCTL_TRAP_STOP_BIT	19	/* trap for STOP */

#define JOBCTL_TRAP_NOTIFY_BIT	20	/* trap for NOTIFY */

#define JOBCTL_TRAPPING_BIT	21	/* switching to TRACED */

#define JOBCTL_LISTENING_BIT	22	/* ptracer is listening for events */



#define JOBCTL_STOP_DEQUEUED	(1UL << JOBCTL_STOP_DEQUEUED_BIT)

#define JOBCTL_STOP_PENDING	(1UL << JOBCTL_STOP_PENDING_BIT)

#define JOBCTL_STOP_CONSUME	(1UL << JOBCTL_STOP_CONSUME_BIT)

#define JOBCTL_TRAP_STOP	(1UL << JOBCTL_TRAP_STOP_BIT)

#define JOBCTL_TRAP_NOTIFY	(1UL << JOBCTL_TRAP_NOTIFY_BIT)

#define JOBCTL_TRAPPING		(1UL << JOBCTL_TRAPPING_BIT)

#define JOBCTL_LISTENING	(1UL << JOBCTL_LISTENING_BIT)



#define JOBCTL_TRAP_MASK	(JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY)

#define JOBCTL_PENDING_MASK	(JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK)



extern bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask);

extern void task_clear_jobctl_trapping(struct task_struct *task);

extern void task_clear_jobctl_pending(struct task_struct *task, unsigned long mask);



#endif /* _LINUX_SCHED_JOBCTL_H */