Add macros to replace direct uses of TASK_ flags
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>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ac3d496..69233c7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -178,6 +178,22 @@
/* 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) \