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Add macros to replace direct uses of TASK_ flags

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With the changes to support TASK_KILLABLE, ->state becomes a bitmask, and
moving these tests to convenience macros will fix all the users.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
This commit is contained in:
Matthew Wilcox 2007-12-06 10:55:25 -05:00 committed by Matthew Wilcox
parent 4a6e9e2ce8
commit 92a1f4bc7a
1 changed files with 16 additions and 0 deletions
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16
include/linux/sched.h
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@ -178,6 +178,22 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
/* in tsk->state again */
#define TASK_DEAD 64
/* Convenience macros for the sake of wake_up */
#define TASK_NORMAL (TASK_INTERRUPTIBLE | TASK_UNINTERRUPTIBLE)
#define TASK_ALL (TASK_NORMAL | TASK_STOPPED | TASK_TRACED)
/* get_task_state() */
#define TASK_REPORT (TASK_RUNNING | TASK_INTERRUPTIBLE | \
TASK_UNINTERRUPTIBLE | TASK_STOPPED | \
TASK_TRACED)
#define task_is_traced(task) ((task->state & TASK_TRACED) != 0)
#define task_is_stopped(task) ((task->state & TASK_STOPPED) != 0)
#define task_is_stopped_or_traced(task) \
((task->state & (TASK_STOPPED | TASK_TRACED)) != 0)
#define task_contributes_to_load(task) \
((task->state & TASK_UNINTERRUPTIBLE) != 0)
#define __set_task_state(tsk, state_value) \
do { (tsk)->state = (state_value); } while (0)
#define set_task_state(tsk, state_value) \