diff options
Diffstat (limited to 'src/classes/javax/media')
| -rw-r--r-- | src/classes/javax/media/opengl/GLCanvas.java | 13 | ||||
| -rwxr-xr-x | src/classes/javax/media/opengl/Threading.java | 6 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/classes/javax/media/opengl/GLCanvas.java b/src/classes/javax/media/opengl/GLCanvas.java index 979c466c2..83072ffc5 100644 --- a/src/classes/javax/media/opengl/GLCanvas.java +++ b/src/classes/javax/media/opengl/GLCanvas.java @@ -169,7 +169,18 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { try { if (Threading.isSingleThreaded() && !Threading.isOpenGLThread()) { - Threading.invokeOnOpenGLThread(destroyAction); + // Workaround for termination issues with applets -- + // sun.applet.AppletPanel should probably be performing the + // remove() call on the EDT rather than on its own thread + if (Threading.isAWTMode() && + Thread.holdsLock(getTreeLock())) { + // The user really should not be invoking remove() from this + // thread -- but since he/she is, we can not go over to the + // EDT at this point. Try to destroy the context from here. + destroyAction.run(); + } else { + Threading.invokeOnOpenGLThread(destroyAction); + } } else { destroyAction.run(); } diff --git a/src/classes/javax/media/opengl/Threading.java b/src/classes/javax/media/opengl/Threading.java index 7475152e1..896e945d8 100755 --- a/src/classes/javax/media/opengl/Threading.java +++ b/src/classes/javax/media/opengl/Threading.java @@ -292,6 +292,12 @@ public class Threading { } } + /** This is a workaround for AWT-related deadlocks which only seem + to show up in the context of applets */ + static boolean isAWTMode() { + return (mode == AWT); + } + private static void printWorkaroundNotice() { if (singleThreaded && Debug.verbose()) { System.err.println("Using " + |