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
  22 #define JOBCTL_STOP_DEQUEUED    (1UL << JOBCTL_STOP_DEQUEUED_BIT)
  23 #define JOBCTL_STOP_PENDING     (1UL << JOBCTL_STOP_PENDING_BIT)
  24 #define JOBCTL_STOP_CONSUME     (1UL << JOBCTL_STOP_CONSUME_BIT)
  25 #define JOBCTL_TRAP_STOP        (1UL << JOBCTL_TRAP_STOP_BIT)
  26 #define JOBCTL_TRAP_NOTIFY      (1UL << JOBCTL_TRAP_NOTIFY_BIT)
  27 #define JOBCTL_TRAPPING         (1UL << JOBCTL_TRAPPING_BIT)
  28 #define JOBCTL_LISTENING        (1UL << JOBCTL_LISTENING_BIT)
  29
  30 #define JOBCTL_TRAP_MASK        (JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY)
  31 #define JOBCTL_PENDING_MASK     (JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK)
  32
  33 extern bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask);
  34 extern void task_clear_jobctl_trapping(struct task_struct *task);
  35 extern void task_clear_jobctl_pending(struct task_struct *task, unsigned long mask);
  36
  37 #endif /* _LINUX_SCHED_JOBCTL_H */