From 0e90827f3eb8e6c8eaa4f9d3968cfc57a4694948 Mon Sep 17 00:00:00 2001
From: Sergey Abramchuk <ss.abramchuk@gmail.com>
Date: Sun, 26 Feb 2017 16:06:56 +0300
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20wait=20forever=20for=20tunnel?=
 =?UTF-8?q?=20configuration?=
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---
 OpenVPN Tunnel Provider/OpenVPNAdapter.mm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/OpenVPN Tunnel Provider/OpenVPNAdapter.mm b/OpenVPN Tunnel Provider/OpenVPNAdapter.mm
index 7f16d1e..0c57d83 100644
--- a/OpenVPN Tunnel Provider/OpenVPNAdapter.mm	
+++ b/OpenVPN Tunnel Provider/OpenVPNAdapter.mm	
@@ -199,7 +199,11 @@ static void socketCallback(CFSocketRef socket, CFSocketCallBackType type, CFData
         dispatch_semaphore_signal(sema);
     }];
     
-    dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
+    dispatch_time_t timeout = dispatch_time(DISPATCH_TIME_NOW, 30 * NSEC_PER_SEC);
+    if (dispatch_semaphore_wait(sema, timeout) != 0) {
+        NSLog(@"Tunnel configuration failed due to timeout");
+        return -1;
+    }
     
     if (self.packetFlow) {
         [self readTUNPackets];