cpp/openttd-patchpack/source Changeset - r14235:7085b981d4d2

Changeset - r14235:7085b981d4d2

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rubidium - 14 years ago 2010-01-13 21:34:48
rubidium@openttd.org

(svn r18796) -Fix [FS#3521]: [SDL] possible deadlock when killing OpenTTD while starting it

1 file changed with 7 insertions and 1 deletions:

src/video/sdl_v.cpp

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src/video/sdl_v.cpp

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@@ @@ -112,8 +112,11 @@ static void DrawSurfaceToScreen() @@
 static void DrawSurfaceToScreenThread(void *)
+{
-	/* First wait till we 'may' start */
+	/* First tell the main thread we're started */
 	_draw_mutex->BeginCritical();
 	_draw_mutex->SendSignal();
 	/* Now wait for the first thing to draw! */
 	_draw_mutex->WaitForSignal();
 	while (_draw_continue) {
@@ @@ -516,6 +519,9 @@ void VideoDriver_SDL::MainLoop() @@
 			if (!_draw_threaded) {
 				_draw_mutex->EndCritical();
 				delete _draw_mutex;
 			} else {
 				/* Wait till the draw mutex has started itself. */
 				_draw_mutex->WaitForSignal();
+			}
+		}
+	}

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