[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#9767: 24.0.90; gdb initialization on Cygwin
From: |
Eli Zaretskii |
Subject: |
bug#9767: 24.0.90; gdb initialization on Cygwin |
Date: |
Sat, 22 Oct 2011 00:15:45 +0200 |
> Date: Fri, 21 Oct 2011 16:47:52 -0400
> From: Ken Brown <kbrown@cornell.edu>
> CC: Andreas Schwab <schwab@linux-m68k.org>, 9767@debbugs.gnu.org
>
> OK, I figured out what's happening, and it is related to SIGALRM after
> all. In line 4406 of process.c, wait_reading_process_output reduces the
> timeout for the select call (under certain circumstances) in an attempt
> to prevent select from being interrupted by SIGALRM. This seems to me
> to be inherently unreliable, and, in particular, it consistently fails
> on Cygwin. In other words, the SIGALRM is delivered before select times
> out, causing select to get interrupted. So wait_reading_process_output
> does indeed loop, and select fails every time (except when a key is
> pressed).
Why does reducing the timeout works on, say, GNU/Linux, but not on
Cygwin? What is different? Clock granularity, perhaps?
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/16
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/16
- bug#9767: 24.0.90; gdb initialization on Cygwin, Eli Zaretskii, 2011/10/17
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/19
- bug#9767: 24.0.90; gdb initialization on Cygwin, Eli Zaretskii, 2011/10/19
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/19
- bug#9767: 24.0.90; gdb initialization on Cygwin, Andreas Schwab, 2011/10/19
- bug#9767: 24.0.90; gdb initialization on Cygwin, Eli Zaretskii, 2011/10/19
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/19
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/21
- bug#9767: 24.0.90; gdb initialization on Cygwin,
Eli Zaretskii <=
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/22
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/22
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/23
- bug#9767: 24.0.90; gdb initialization on Cygwin, Stefan Monnier, 2011/10/21
- bug#9767: 24.0.90; gdb initialization on Cygwin, Ken Brown, 2011/10/22