voron

commit 72c0ea32616df5f6e4054a6e2cefb1801679a365
parent 6443fb79dc04843ae686429d8d76080ae1a3fc1f
Author: oblique <psyberbits@gmail.com>
Date:   Mon,  5 Nov 2012 18:06:44 +0200

add suspend_task_no_schedule()

Diffstat:
M
include/sched.h
 | 
1
+
M
kernel/sched.c
 | 
11
+++++++++++

2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/include/sched.h b/include/sched.h
@@ -50,6 +50,7 @@ void msleep(u32 milliseconds);
 int kthread_create(void (*routine)(void *), void *arg);
 void schedule(void);
 void suspend_task(u32 channel);
+void suspend_task_no_schedule(u32 channel);
 void resume_tasks(u32 channel);
 
 #endif	/* __SCHED_H */
diff --git a/kernel/sched.c b/kernel/sched.c
@@ -199,6 +199,17 @@ suspend_task(u32 channel)
 }
 
 void
+suspend_task_no_schedule(u32 channel)
+{
+	irq_disable();
+	current->sleep_chan = channel;
+	current->sleep_reason = SLEEPR_SUSPEND;
+	current->state = TASK_SLEEPING;
+	irq_enable();
+	/* caller *must* run schedule() */
+}
+
+void
 resume_tasks(u32 channel)
 {
 	struct list_head *iter, *n;