[Bug gdb/8677] "Hangup detected on fd 0" when reading from a pipe

[Bug gdb/8677] "Hangup detected on fd 0" when reading from a pipe

[tromey at redhat dot com]

------- Additional Comments From tromey at redhat dot com  2009-01-03 02:12 -------
The POLLHUP result from poll(2) is weird.
I think gdb should probably ignore it -- treat it as POLLIN,
and then let the handler detect the EOF using read.

FWIW I looked at the current Fedora SRPM and did not see a relevant patch.
I didn't look through Red Hat bugzilla, though.

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           What    |Removed                     |Added
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                 CC|                            |tromey at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=8677

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[Bug gdb/8677] "Hangup detected on fd 0" when reading from a pipe

[erh+gcc at nimenees dot com]

------- Additional Comments From erh+gcc at nimenees dot com  2010-04-19 19:39 -------
I found a (rather old) message that claims to have a patch to improve this:
http://sourceware.org/ml/gdb-patches/2001-05/msg00106.html

I have no idea whether that will help, but I know this bug if affecting me too.
 ("GNU gdb Fedora (6.8-2.7.el5)")

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http://sourceware.org/bugzilla/show_bug.cgi?id=8677

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[Bug gdb/8677] "Hangup detected on fd 0" when reading from a pipe

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=8677

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #5 from Andreas Schwab <schwab@linux-m68k.org> 2011-05-25 07:59:50 UTC ---
Fixed.

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[Bug gdb/8677] "Hangup detected on fd 0" when reading from a pipe

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=8677

--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2011-05-25 07:59:07 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Changes by:    schwab@sourceware.org    2011-05-25 07:59:04

Modified files:
    gdb            : ChangeLog event-loop.c 

Log message:
    PR gdb/8677
    * event-loop.c (handle_file_event): Don't handle POLLHUP as error.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13045&r2=1.13046
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/event-loop.c.diff?cvsroot=src&r1=1.49&r2=1.50

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