From 1e4179935842cbc50f927400693cb9295c8d14d2 Mon Sep 17 00:00:00 2001
From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Thu, 29 Apr 2004 22:13:21 +0000
Subject: [PATCH] have comedi_command set subdevice->busy

---
 comedi/kcomedilib/kcomedilib_main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/comedi/kcomedilib/kcomedilib_main.c b/comedi/kcomedilib/kcomedilib_main.c
index 01c19629..4c640bd9 100644
--- a/comedi/kcomedilib/kcomedilib_main.c
+++ b/comedi/kcomedilib/kcomedilib_main.c
@@ -150,17 +150,17 @@ int comedi_command(comedi_t *d,comedi_cmd *cmd)
 	if(async == NULL)
 		return -ENODEV;
 
+	if(s->busy)
+		return -EBUSY;
+	s->busy = d;
+
 	if(async->cb_mask & COMEDI_CB_EOS)
 		cmd->flags |= TRIG_WAKE_EOS;
 
 	async->cmd=*cmd;
 
-#if 0
-	s->runflags=0;
-#else
-	s->runflags=SRF_RT;
+	s->runflags |= SRF_RT;
 	comedi_switch_to_rt(dev);
-#endif
 
 	s->subdev_flags |= SDF_RUNNING;
 
-- 
2.26.2