Re: Problem delivering signals while blocked in recvfrom
At Mon, 17 May 2004 16:54:45 +1200,
David Preece wrote:
> As per the subject, I have a single threaded process blocked collecting
> UDP packets in recvfrom and I'm attempting to send it SIGHUP. No matter
> what I do I get a segfault within the libc6. I've tried both the GNU
> and BSD styles of signal handling, and within those have set flags for
> both "fail the recvfrom" and "resume it", to no avail.
>
> There's not a lot of complication involved in the crash:
>
> GNU gdb 6.1-debian
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and
> you are
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> Type "show copying" to see the conditions.
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> This GDB was configured as "i386-linux"...Using host libthread_db
> library "/lib/libthread_db.so.1".
>
> (gdb) run
> Starting program: /home/davep/pscope/tcom/flowlogd/flowlogd/flowlogd
>
> Program received signal SIGHUP, Hangup.
> 0x4039c276 in recvfrom () from /lib/libc.so.6
I don't have any problem with this sample program with both
linuxthreads and nptl...
Regards,
-- gotom
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