include/linux/sched/jobctl.h

   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 */