Experimental Physics and
Industrial Control System

<[email protected]> · Wed, 25 Mar 2015 10:23:19 +0000

Hi,

> 2. On windows when I run an epics based ioc using procServ, a blank terminal opens up seperately for procServ.exe. Is there a way to not display this. I am sure there > is a way and I haven't searched hard enough!

You will probably get a console window for the running IOC and for procServ itself, both can do something like:

    HWND conwin = GetConsoleWindow();
    if ( NULL != conwin )
    {
        ShowWindowAsync(conwin, SW_HIDE);
    }

To hide the window (I've had more success with this approach than linking the executables as /SUBSYSTEM:WINDOWS ). You don't necessarily need to modify the IOC code - if the IOC is run from a batch file by procServ then the IOC will share the same console window created by the batch file and you can instead run a separate executable from within this bat file that just does a SW_HIDE as above prior to the IOC starting.

We run native windows IOC's via procServ and found that we also needed to turn off buffering of output (it will be fully buffered for a non-interactive session on windows) to get things to respond properly. This does require modifying the EPICS base ioc code to add:

     setvbuf(stdout, NULL, _IONBF, BUFSIZ)
     setvbuf(stderr, NULL, _IONBF, BUFSIZ)

I've made a couple of other small changes to procServ for running on Windows which I've been meaning to post for a while, I'll collect them together and post them later 

Regards,

Freddie

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System