From deaebb18d814fbebacfd5aca82201df9df3995d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rcio=20Martins?= <marcioapm@gmail.com>
Date: Tue, 4 Aug 2020 19:27:08 +0100
Subject: [PATCH] Fix host lookups hanging with concurrency

---
 source/eventcore/drivers/posix/dns.d | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/source/eventcore/drivers/posix/dns.d b/source/eventcore/drivers/posix/dns.d
index 6875a0a..dee73b4 100644
--- a/source/eventcore/drivers/posix/dns.d
+++ b/source/eventcore/drivers/posix/dns.d
@@ -150,7 +150,10 @@ final class EventDriverDNS_GAI(Events : EventDriverEvents, Signals : EventDriver
 		size_t lastmax;
 		foreach (i, ref l; m_lookups) {
 			if (i > m_maxHandle) break;
-			if (!atomicLoad(l.done)) continue;
+			if (!atomicLoad(l.done)) {
+				lastmax = i;
+				continue;
+			}
 			// synchronize the other fields in m_lookup with the lookup thread
 			atomicFence();