nohup & signals

I have to run a process (agent) from a client. The
process should keep running until someone stops it even if
the user that started the process leaves the application.
I'm using the nohup option but it doesn't work when
I run the process from this platform (similar to VB).
It starts ok BUT dies when I leave the application.
If I run the same command from the Terminal Window I
have no problem and the process keeps running when I
leave the application. Is it clear?
sanjuaAsked:
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ramshakalCommented:
Processes run by /usr/bin/nohup are immune to SIGHUP (hangup) and SIGQUIT (quit) signal. where as those run by /usr/xpg4/bin/nohup are immune to SIGHUP.
  So when you start it from terminal it works all right because in that case it only
receives SIGHUP signal.
  For running it from an application why not you make it a daemon and catch all the signal
SIGHUP, SIG_IGN and SIGCLD.
   
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