[RFC PATCH 3/6] Add a tasklet is-scheduled API

From: Steven Rostedt
Date: Fri Jun 22 2007 - 00:04:49 EST


This patch adds a tasklet_is_scheduled API to allow a driver
to know if its tasklet is already scheduled.

Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

Index: linux-2.6-test/include/linux/tasklet.h
===================================================================
--- linux-2.6-test.orig/include/linux/tasklet.h
+++ linux-2.6-test/include/linux/tasklet.h
@@ -107,6 +107,11 @@ static inline void tasklet_hi_enable(str
atomic_dec(&t->count);
}

+static inline int tasklet_is_scheduled(struct tasklet_struct *t)
+{
+ return test_bit(TASKLET_STATE_SCHED, &t->state);
+}
+
extern void tasklet_kill(struct tasklet_struct *t);
extern void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu);
extern void tasklet_init(struct tasklet_struct *t,

--
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