53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
#ifndef _LINUX_SCHED_H
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#define _LINUX_SCHED_H
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/*
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* Task state bitmask. NOTE! These bits are also
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* encoded in fs/proc/array.c: get_task_state().
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*
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* We have two separate sets of flags: task->state
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* is about runnability, while task->exit_state are
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* about the task exiting. Confusing, but this way
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* modifying one set can't modify the other one by
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* mistake.
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*/
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#define TASK_RUNNING 0
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#define TASK_INTERRUPTIBLE 1
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#define TASK_UNINTERRUPTIBLE 2
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#define __TASK_STOPPED 4
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#define __TASK_TRACED 8
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/* in tsk->exit_state */
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#define EXIT_DEAD 16
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#define EXIT_ZOMBIE 32
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#define EXIT_TRACE (EXIT_ZOMBIE | EXIT_DEAD)
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/* in tsk->state again */
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#define TASK_DEAD 64
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#define TASK_WAKEKILL 128
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#define TASK_WAKING 256
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#define TASK_PARKED 512
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#define TASK_NOLOAD 1024
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#define TASK_STATE_MAX 2048
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/* Convenience macros for the sake of set_task_state */
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#define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
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#define TASK_STOPPED (TASK_WAKEKILL | __TASK_STOPPED)
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#define TASK_TRACED (TASK_WAKEKILL | __TASK_TRACED)
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#define TASK_IDLE (TASK_UNINTERRUPTIBLE | TASK_NOLOAD)
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/* Convenience macros for the sake of wake_up */
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#define TASK_NORMAL (TASK_INTERRUPTIBLE | TASK_UNINTERRUPTIBLE)
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#define TASK_ALL (TASK_NORMAL | __TASK_STOPPED | __TASK_TRACED)
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/* get_task_state() */
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#define TASK_REPORT (TASK_RUNNING | TASK_INTERRUPTIBLE | \
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TASK_UNINTERRUPTIBLE | __TASK_STOPPED | \
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__TASK_TRACED | EXIT_ZOMBIE | EXIT_DEAD)
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/* Task command name length */
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#define TASK_COMM_LEN 16
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#define schedule_timeout(x) delay(x)
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#define MAX_SCHEDULE_TIMEOUT LONG_MAX
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#endif
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