Update of /export/home/ntop/ntop
In directory jabber:/tmp/cvs-serv29736
Modified Files:
globals.h graph.c
Log Message:
(Note to Luca - I've only tested under Linux, so if it doesn't work,
well, just back it out (it's self contained). However, it should
work - this is generic code from the GNU C documentation)
This change implements a "watchdog" on the gdchart creation of pie charts.
If you have a compile/runtime version mis-match, there is an abort() call
in libpng, which kills the web browser thread. Bad...
This change uses the fork() call to let the gdchart creation run in a
separate thread. It uses the parent thread as a watchdog to monitor
a status variables to detect failure.
If the generation of the chart fails, a billboard graphic, pie-error.png
is sent to the user instead. The specific failure is logged for
the admin to use.
-----Burton (ref 149)
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