From 0814812e9b3db4ace9e71f63c654424f109c7ba4 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 20 Sep 2020 22:06:28 +0200
Subject: [PATCH] Don't block when polling for broadcast messages.

---
 common/TracySocket.cpp | 4 ++--
 common/TracySocket.hpp | 2 +-
 profiler/src/main.cpp  | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/common/TracySocket.cpp b/common/TracySocket.cpp
index 07ed3cab..0d666a84 100644
--- a/common/TracySocket.cpp
+++ b/common/TracySocket.cpp
@@ -726,14 +726,14 @@ void UdpListen::Close()
     m_sock = -1;
 }
 
-const char* UdpListen::Read( size_t& len, IpAddress& addr )
+const char* UdpListen::Read( size_t& len, IpAddress& addr, int timeout )
 {
     static char buf[2048];
 
     struct pollfd fd;
     fd.fd = (socket_t)m_sock;
     fd.events = POLLIN;
-    if( poll( &fd, 1, 10 ) <= 0 ) return nullptr;
+    if( poll( &fd, 1, timeout ) <= 0 ) return nullptr;
 
     sockaddr sa;
     socklen_t salen = sizeof( struct sockaddr );
diff --git a/common/TracySocket.hpp b/common/TracySocket.hpp
index bb4bd3f9..f9f618f2 100644
--- a/common/TracySocket.hpp
+++ b/common/TracySocket.hpp
@@ -139,7 +139,7 @@ public:
     bool Listen( int port );
     void Close();
 
-    const char* Read( size_t& len, IpAddress& addr );
+    const char* Read( size_t& len, IpAddress& addr, int timeout );
 
     UdpListen( const UdpListen& ) = delete;
     UdpListen( UdpListen&& ) = delete;
diff --git a/profiler/src/main.cpp b/profiler/src/main.cpp
index 66fd2468..4b991274 100644
--- a/profiler/src/main.cpp
+++ b/profiler/src/main.cpp
@@ -505,7 +505,7 @@ static void DrawContents()
         {
             tracy::IpAddress addr;
             size_t len;
-            auto msg = broadcastListen->Read( len, addr );
+            auto msg = broadcastListen->Read( len, addr, 0 );
             if( msg )
             {
                 assert( len <= sizeof( tracy::BroadcastMessage ) );