dri2: Unblock Clients on Drawable release
If the Window is destroyed by another client, such as the window manager, the original client may be blocked by DRI2 awaiting a vblank event. When this happens, DRI2DrawableGone forgets to unblock that client and so the wait never completes. Note Present/xshmfence is also suspectible to this race. Testcase: dri2-race/manager Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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@ -413,6 +413,9 @@ DRI2DrawableGone(void *p, XID id)
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(*pDraw->pScreen->DestroyPixmap)(pPriv->redirectpixmap);
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}
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if (pPriv->blockedClient)
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AttendClient(pPriv->blockedClient);
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free(pPriv);
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return Success;
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