swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: d8a5b80568a9cb66810e75b182018e9edb68e8ff authored by Linus Torvalds on 28 January 2018, 21:20:33 UTC
Linux 4.15
Tip revision: d8a5b80
jobctl.h
/* SPDX-License-Identifier: GPL-2.0 */
#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 */
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