[review] [gdb/testsuite] Fix gdb.threads/watchpoint-fork.exp race

[Simon Marchi (Code Review)]

Simon Marchi has posted comments on this change.

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/446
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Patch Set 1: Code-Review+2

LGTM.  I presume the `setbuf` calls were also added to try deal with some output synchronism problems.


-- 
Gerrit-Project: binutils-gdb
Gerrit-Branch: master
Gerrit-Change-Id: I63efd4c7771f96b5f5cd87ef2ab36795484ae2be
Gerrit-Change-Number: 446
Gerrit-PatchSet: 1
Gerrit-Owner: Tom de Vries <tdevries@suse.de>
Gerrit-Reviewer: Luis Machado <luis.machado@linaro.org>
Gerrit-Reviewer: Simon Marchi <simon.marchi@polymtl.ca>
Gerrit-Reviewer: Tom de Vries <tdevries@suse.de>
Gerrit-Comment-Date: Wed, 29 Jan 2020 02:43:06 +0000
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