From ddf4460bb8233d5d8ac9015b1ef34316d9681e23 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Fri, 23 Jan 2015 08:48:34 +0000
Subject: sourcedit: do not wait indefinitely if $EDITOR is stopped

Users may hit Ctrl-Z to stop their editor during editing
and trigger SICHLD, do not waitpid2 indefinitely in that
case.  This prevents missed "source ed" calls for inotify
users.
---
 bin/dtas-sourceedit | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'bin/dtas-sourceedit')

diff --git a/bin/dtas-sourceedit b/bin/dtas-sourceedit
index 646058f..bf9e829 100755
--- a/bin/dtas-sourceedit
+++ b/bin/dtas-sourceedit
@@ -76,7 +76,8 @@ else
     r[0].each do |io|
       case io
       when sev
-        _, status = Process.waitpid2(pid)
+        _, status = Process.waitpid2(pid, Process::WNOHANG)
+        status or next
         status.success? or abort "#{cmd} failed: #{status.inspect}"
         do_update.call
         exit
-- 
cgit v1.2.3-24-ge0c7