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Top Forums Programming Problem with external program launch Post 302289249 by Zipi on Thursday 19th of February 2009 05:59:40 AM
Old 02-19-2009
Problem with external program launch

Hello,
in the application i'm writing i need to launch "recordmydesktop" to capture the screen,but i'm having a problem: when the recording stops,and the encoding of the saved file starts,the entire system hangs until the completion of the encoding.This happens if i launch recordmydesktop from my application (simply by clicking a button).

Now what is weird is:if i start recordmydesktop by opening a shell and starting it manually (with my app already running),the encoding doesn't generate any hang.....

The only difference i noticed is the different priority level that recordmydesktop gets when starting from the shell,which is lower than my app's one (i.e. a higher priority number),while when i start it from my app it gets the same of my application,which has a higher priority level.

I tried to start recordmydesktop using the fork and exec approach,giving a lower priority with the "nice" system call,but nothing seems to be better.....
Do you have any advice?
Thanks in advance!
 

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IM-LAUNCH(1)						      General Commands Manual						      IM-LAUNCH(1)

NAME
im-launch - launch input method end execute session program SYNOPSIS
im-launch SESSION-PROGRAM DESCRIPTION
The im-launch command is used to start a input method framework server daemon such as ibus-daemon, set up the appropriate environment vari- ables for the client programs, and execute SESSION-PROGRAM such as x-session-manager. This command is usually not invoked from the console of a normal user but is normally invoked by the /etc/X11/Xsession.d/70im-con- fig_launch. TROUBLESHOOT
If you have any problem, see the first part of ~/.xsession-errors and look for the cause. If you are running im-config while Debian (sid) system is undergoing a major library transition, you may need to manually set up ~/.xinputrc with adjusted library version number etc. Please file a bug report to the im-config package using reportbug(1) describing your resolution experience. SEE ALSO
im-config(8), /usr/share/doc/im-config/README.Debian.gz AUTHOR
This manual page was written by Aron Xu <aron@debian.org>, and Osamu Aoki <osamu@debian.org> for the Debian GNU/Linux system (but may be used by others). IM-LAUNCH(1)
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