1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_SCHED_JOBCTL_H
3#define _LINUX_SCHED_JOBCTL_H
4
5#include <linux/types.h>
6
7struct task_struct;
8
9/*
10 * task->jobctl flags
11 */
12#define JOBCTL_STOP_SIGMASK 0xffff /* signr of the last group stop */
13
14#define JOBCTL_STOP_DEQUEUED_BIT 16 /* stop signal dequeued */
15#define JOBCTL_STOP_PENDING_BIT 17 /* task should stop for group stop */
16#define JOBCTL_STOP_CONSUME_BIT 18 /* consume group stop count */
17#define JOBCTL_TRAP_STOP_BIT 19 /* trap for STOP */
18#define JOBCTL_TRAP_NOTIFY_BIT 20 /* trap for NOTIFY */
19#define JOBCTL_TRAPPING_BIT 21 /* switching to TRACED */
20#define JOBCTL_LISTENING_BIT 22 /* ptracer is listening for events */
21#define JOBCTL_TRAP_FREEZE_BIT 23 /* trap for cgroup freezer */
22#define JOBCTL_PTRACE_FROZEN_BIT 24 /* frozen for ptrace */
23
24#define JOBCTL_STOPPED_BIT 26 /* do_signal_stop() */
25#define JOBCTL_TRACED_BIT 27 /* ptrace_stop() */
26
27#define JOBCTL_STOP_DEQUEUED (1UL << JOBCTL_STOP_DEQUEUED_BIT)
28#define JOBCTL_STOP_PENDING (1UL << JOBCTL_STOP_PENDING_BIT)
29#define JOBCTL_STOP_CONSUME (1UL << JOBCTL_STOP_CONSUME_BIT)
30#define JOBCTL_TRAP_STOP (1UL << JOBCTL_TRAP_STOP_BIT)
31#define JOBCTL_TRAP_NOTIFY (1UL << JOBCTL_TRAP_NOTIFY_BIT)
32#define JOBCTL_TRAPPING (1UL << JOBCTL_TRAPPING_BIT)
33#define JOBCTL_LISTENING (1UL << JOBCTL_LISTENING_BIT)
34#define JOBCTL_TRAP_FREEZE (1UL << JOBCTL_TRAP_FREEZE_BIT)
35#define JOBCTL_PTRACE_FROZEN (1UL << JOBCTL_PTRACE_FROZEN_BIT)
36
37#define JOBCTL_STOPPED (1UL << JOBCTL_STOPPED_BIT)
38#define JOBCTL_TRACED (1UL << JOBCTL_TRACED_BIT)
39
40#define JOBCTL_TRAP_MASK (JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY)
41#define JOBCTL_PENDING_MASK (JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK)
42
43extern bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask);
44extern void task_clear_jobctl_trapping(struct task_struct *task);
45extern void task_clear_jobctl_pending(struct task_struct *task, unsigned long mask);
46
47#endif /* _LINUX_SCHED_JOBCTL_H */
48