/* 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_TRAP_FREEZE_BIT    23    /* trap for cgroup freezer */
#define JOBCTL_PTRACE_FROZEN_BIT    24    /* frozen for ptrace */

#define JOBCTL_STOPPED_BIT    26    /* do_signal_stop() */
#define JOBCTL_TRACED_BIT    27    /* ptrace_stop() */

#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_FREEZE    (1UL << JOBCTL_TRAP_FREEZE_BIT)
#define JOBCTL_PTRACE_FROZEN    (1UL << JOBCTL_PTRACE_FROZEN_BIT)

#define JOBCTL_STOPPED        (1UL << JOBCTL_STOPPED_BIT)
#define JOBCTL_TRACED        (1UL << JOBCTL_TRACED_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 */