Linux: Monitor resolv.conf for changes and use that to reload resolver.

net/base/dns_reloader.h

Index: net/base/dns_reloader.h
diff --git a/net/base/dns_reloader.h b/net/base/dns_reloader.h
new file mode 100644
index 0000000000000000000000000000000000000000..cc33d6c3f6fa93e2fab09b4637d6d0b510899259
--- /dev/null
+++ b/net/base/dns_reloader.h
@@ -0,0 +1,24 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.

[willchan no longer on Chromium, 2011/07/13 12:10:37]

Wrong copyright date

[Craig, 2011/07/18 16:18:13]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_BASE_DNS_RELOADER_H_
+#define NET_BASE_DNS_RELOADER_H_
+#pragma once
+
+#include "build/build_config.h"
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
+namespace net {
+
+// Call on the IO thread before calling DnsReloaderMaybeReload() anywhere.
+void DnsReloaderInit();

[willchan no longer on Chromium, 2011/07/14 15:42:32]

This should probably be called EnsureDnsReloaderInit() or something, like how we
do EnsureWinsockInit().

[Craig, 2011/07/18 16:18:13]

Done.

+
+// Call on the worker thread before doing a DNS lookup to reload the
+// resolver for that thread by doing res_ninit() if required.
+void DnsReloaderMaybeReload();
+
+}  // namespace net
+#endif
+
+#endif  // NET_BASE_DNS_RELOADER_H_