Wireshark-bugs: [Wireshark-bugs] [Bug 2767] tshark-1.0.2 (dumpcap) signal abort core saved
Date: Sun, 13 Sep 2009 10:55:33 -0700 (PDT)

Jeff Morriss <[email protected]> changed:

           What    |Removed                     |Added
                 CC|                            |[email protected]
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Jeff Morriss <[email protected]>  2009-09-13 10:55:31 PDT ---
(In reply to comment #3)
> Created an attachment (id=3414)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=3414) [details]
> possible minimal patch
> dumpcap at some cases receives SIGUSR1 while still processing SIGINT. This seem
> to be bad combination as both signal handlers call g_log(). Possible solution
> is to block SIGUSR1 till we are processing SIGINT..

Thanks for the pointer.  I checked in a different fix in rev 29881:
  1) use SIGINT (instead of SIGUSR1) to tell dumpcap to exit
  2) (and) don't call g_log in the signal handler: it's not Async-Signal-Safe
after all

I added this fix to the queues for 1.0.9 and 1.2.2 as well.

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