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