From e229e045a93ef35c335af00cd0e130a6ec6146d4 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sun, 5 May 2019 04:56:14 +0000
Subject: DS: workaround IO::Kqueue EINTR (mis-)handling

IO::Kqueue seems unmaintained, so workaround a long-standing
bug where it falls over on signals:
https://rt.cpan.org/Ticket/Display.html?id=116615
---
 lib/PublicInbox/DS.pm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/PublicInbox/DS.pm b/lib/PublicInbox/DS.pm
index 7bd5d42b..ea09fc96 100644
--- a/lib/PublicInbox/DS.pm
+++ b/lib/PublicInbox/DS.pm
@@ -428,7 +428,15 @@ sub KQueueEventLoop {
 
     while (1) {
         my $timeout = RunTimers();
-        my @ret = $KQueue->kevent($timeout);
+        my @ret = eval { $KQueue->kevent($timeout) };
+        if (my $err = $@) {
+            # workaround https://rt.cpan.org/Ticket/Display.html?id=116615
+            if ($err =~ /Interrupted system call/) {
+                @ret = ();
+            } else {
+                die $err;
+            }
+        }
 
         foreach my $kev (@ret) {
             my ($fd, $filter, $flags, $fflags) = @$kev;
-- 
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