use DispatchTimeout() and/or select() with timeout instead of polling loop in wxSocke...

[wxWidgets.git] / src / common / evtloopcmn.cpp

diff --git a/src/common/evtloopcmn.cpp b/src/common/evtloopcmn.cpp
index e90bf2f2eb3c8c1a23eff7b9dcc3e0b55bf863df..997718b44aedca26bf9b428d18a31e39f8084a5d 100644 (file)
--- a/src/common/evtloopcmn.cpp
+++ b/src/common/evtloopcmn.cpp
@@ -37,7 +37,7 @@
 wxEventLoopBase *wxEventLoopBase::ms_activeLoop = NULL;
 
 // wxEventLoopManual is unused in the other ports
-#if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXDFB__) || (defined(__UNIX__) && !wxUSE_GUI)
+#if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXDFB__) || (defined(__UNIX__) && wxUSE_BASE)
 
 // ============================================================================
 // wxEventLoopManual implementation
@@ -153,3 +153,23 @@ void wxEventLoopManual::Exit(int rc)
 }
 
 #endif // __WXMSW__ || __WXMAC__ || __WXDFB__
+
+#ifdef wxNEEDS_GENERIC_DISPATCH_TIMEOUT
+
+int wxGUIEventLoop::DispatchTimeout(unsigned long timeout)
+{
+    // TODO: this is, of course, horribly inefficient and a proper wait with
+    //       timeout should be implemented for all ports natively...
+    const wxMilliClock_t timeEnd = wxGetLocalTimeMillis() + timeout;
+    for ( ;; )
+    {
+        if ( Pending() )
+            return Dispatch();
+
+        if ( wxGetLocalTimeMillis() >= timeEnd )
+            return -1;
+    }
+}
+
+#endif // wxNEEDS_GENERIC_DISPATCH_TIMEOUT
+