From c61cd2c80674757c9a910b4d379e5b92f65cbec7 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Tue, 8 Mar 2016 17:30:48 +0100
Subject: [PATCH] Net::IMAP::InterIMAP: try again if connect(2) was
 interrupted.

---
 lib/Net/IMAP/InterIMAP.pm | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/lib/Net/IMAP/InterIMAP.pm b/lib/Net/IMAP/InterIMAP.pm
index be62a9d..785de38 100644
--- a/lib/Net/IMAP/InterIMAP.pm
+++ b/lib/Net/IMAP/InterIMAP.pm
@@ -1366,15 +1366,18 @@ sub _tcp_connect($$$) {
     my ($err, @res) = getaddrinfo($host, $port, \%hints);
     $self->fail("Can't getaddrinfo: $err") if $err ne '';
 
+    SOCKETS:
     foreach my $ai (@res) {
-        socket my $s, $ai->{family}, $ai->{socktype}, $ai->{protocol};
+        socket (my $s, $ai->{family}, $ai->{socktype}, $ai->{protocol}) or $self->panic("connect: $!");
         # TODO: add a connection timeout
         # http://devpit.org/wiki/Connect%28%29_with_timeout_%28in_Perl%29
-        if (defined $s and connect($s, $ai->{addr})) {
-            my $flags = fcntl($s, F_GETFL, 0)       or $self->panic("fcntl F_GETFL: $!");
-            fcntl($s, F_SETFL, $flags | FD_CLOEXEC) or $self->panic("fcntl F_SETFL: $!");
-            return $s;
+        until (connect($s, $ai->{addr})) {
+            next if $! == EINTR; # try again if connect(2) was interrupted by a signal
+            next SOCKETS;
         }
+        my $flags = fcntl($s, F_GETFL, 0)       or $self->panic("fcntl F_GETFL: $!");
+        fcntl($s, F_SETFL, $flags | FD_CLOEXEC) or $self->panic("fcntl F_SETFL: $!");
+        return $s;
     }
     $self->fail("Can't connect to $host:$port");
 }
-- 
2.39.2