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Re: Revise etc/DEBUG documentation

From: Davis Herring
Subject: Re: Revise etc/DEBUG documentation
Date: Tue, 6 Sep 2016 15:52:02 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2

+It is also useful to have a guaranteed way to return to the debugger
+at any arbitrary time.  When using X, this is easy: type C-z at the
+window where you are interacting with GDB, and it will stop Emacs just
+as it would stop any ordinary program.  When Emacs is displaying on a

I know this is largely old text, but while we're editing it: if GDB was attached to a running process ("gdb -p ..."), C-z sent to GDB's terminal will just suspend GDB. With SIGINT set to nostop, you can't stop the program from GDB: you have to use its controlling terminal (C-z or C-\, since C-c is nostop even thence) if it has one, or else kill(1).


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