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Code Issues Projects Releases Wiki Activity

Avert race condition between window attachment and buffer swap

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* java/org/gnu/emacs/EmacsView.java (swapBuffers): Synchronize
such that code cannot execute between the bitmap's being loaded
and being transferred to surfaceView.
(onDetachedFromWindow): Recycle bitmap after the surface view is
reset.

* java/org/gnu/emacs/EmacsWindow.java (recreateActivity):

* src/android.c (android_init_emacs_window)
(android_recreate_activity):

* src/androidfns.c (Fandroid_recreate_activity)
(syms_of_androidfns): New functions for debugging window
attachment.

* src/androidgui.h: Update prototypes.
This commit is contained in:
Po Lu 2024-01-26 11:24:51 +08:00
parent 65829b27ca
commit 16831e290e
5 changed files with 83 additions and 13 deletions
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28
java/org/gnu/emacs/EmacsWindow.java
View file

@ -1784,4 +1784,32 @@ public final class EmacsWindow extends EmacsHandleObject
return true;
}
/* Miscellaneous functions for debugging graphics code. */
/* Recreate the activity to which this window is attached, if any.
This is nonfunctional on Android 2.3.7 and earlier. */
public void
recreateActivity ()
{
final EmacsWindowAttachmentManager.WindowConsumer attached;
attached = this.attached;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB)
return;
view.post (new Runnable () {
@Override
public void
run ()
{
if (attached instanceof EmacsActivity)
((EmacsActivity) attached).recreate ();
}
});
}
};