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 
7 struct 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 
43 extern bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask);
44 extern void task_clear_jobctl_trapping(struct task_struct *task);
45 extern void task_clear_jobctl_pending(struct task_struct *task, unsigned long mask);
46 
47 #endif /* _LINUX_SCHED_JOBCTL_H */
48