| 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 | 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 |
| <== Date ==> | <== Thread ==> |
|---|
| Subject: | Questions about ca_search and ca_create_channel |
| From: | 김대영 via Tech-talk <tech-talk at aps.anl.gov> |
| To: | tech-talk at aps.anl.gov |
| Cc: | 박상욱/수석/SnE팀 <screenbe at dawonsys.com>, 박진용/책임/CnS팀 <pjy0429 at dawonsys.com> |
| Date: | Thu, 17 Aug 2023 11:18:21 +0900 (KST) |
Dear All
First of all, thank you for your help.
I have the following question.
Before calling the iocsh (argv[1]) function that runs the st.cmd file, the ca_search or ca_create_channel function works normal.
However, if a ca_search or ca_create_channel function is called after the iocsh (argv[1]) function is called,
a Segmentation fault or dbContext preemptive callback problem occurs.
In other words, I made a driver called pv in st.cmd and made a thread on this driver to call ca_search
> I don't know the cause.
Our st.cmd file is as follows.
I would appreciate it if you could solve my curiosity.
Have a good day.
Thank you.