Experimental Physics and
Industrial Control System

The message queue is the shared resource between threads, so
create it before any thread needs to use it, including the
main thread.

This fixes the segmentation fault that may happen by calling
the command fdbrestore in st.cmd right after create_*_set.
---
 asApp/src/save_restore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/asApp/src/save_restore.c b/asApp/src/save_restore.c
index 7717a4f..0998545 100644
--- a/asApp/src/save_restore.c
+++ b/asApp/src/save_restore.c
@@ -828,7 +828,6 @@ STATIC int save_restore(void)
 	if (save_restoreDebug > 1)
 			printf("save_restore:save_restore: entry; status_prefix='%s'\n", status_prefix);
 
-	opMsgQueue = epicsMessageQueueCreate(OP_MSG_QUEUE_SIZE, OP_MSG_SIZE);
 	epicsTimeGetCurrent(&currTime);
 	last_seq_check = remount_check_time = currTime; /* struct copy */
 
@@ -2150,6 +2149,7 @@ STATIC int create_data_set(
 			printf("save_restore:create_data_set: could not create list header mutex");
 			return(ERROR);
 		}
+		opMsgQueue = epicsMessageQueueCreate(OP_MSG_QUEUE_SIZE, OP_MSG_SIZE);
 		taskID = epicsThreadCreate("save_restore", taskPriority,
 			epicsThreadGetStackSize(epicsThreadStackBig),
 			(EPICSTHREADFUNC)save_restore, 0);
-- 
2.2.0.rc1.18.gf6f61cb

Navigate by Date:

Prev: Re: alarm handler Pearson, Matthew R.

Next: Danfysik 8500 or 9100 power supply driver Schrock, Ken

Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  <2016>  2017  2018  2019  2020  2021  2022  2023  2024 

Navigate by Thread:

Prev: VTable Display widget ishita bhatia

Next: Danfysik 8500 or 9100 power supply driver Schrock, Ken

Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  <2016>  2017  2018  2019  2020  2021  2022  2023  2024