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bug#9767: 24.0.90; gdb initialization on Cygwin

From: Ken Brown
Subject: bug#9767: 24.0.90; gdb initialization on Cygwin
Date: Sat, 22 Oct 2011 05:47:24 -0400
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1

On 10/21/2011 6:24 PM, Stefan Monnier wrote:
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 is it a problem that `select' fails?  It should not be a problem: in
the worst case it should only mean that Emacs does "busy waiting" and
uses up more CPU than needed.  But it shouldn't prevent Emacs from
reading input from processes (which IIUC is the actual problem we're
trying to solve).

You're right.  I wasn't thinking clearly.  The problem  is not solved.


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