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When we're done adding a new screen, we need to process any pending
Wayland events again.
Hence we don't end up processing xdg_output events unexpectedly when
glamor is disabled. Be that because "-shm" was passed or "-eglstream"
has failed.
Failing to do that could lead to a crash at startup:
Xwayland: dixGetPrivateAddr: Assertion `key->initialized' failed.
(EE)
(EE) Backtrace:
(EE) 0: Xwayland (OsSigHandler)
(EE) 1: libpthread.so.0 (funlockfile)
(EE) 2: libc.so.6 (gsignal)
(EE) 3: libc.so.6 (abort)
(EE) 4: libc.so.6 (?+0x0)
(EE) 5: libc.so.6 (__assert_fail)
(EE) 6: Xwayland (dixGetPrivateAddr)
(EE) 7: Xwayland (_fbGetWindowPixmap)
(EE) 8: Xwayland (getDrawableDamageRef)
(EE) 9: Xwayland (damageRegionProcessPending)
(EE) 10: Xwayland (damagePolyFillRect)
(EE) 11: Xwayland (miPaintWindow)
(EE) 12: Xwayland (miWindowExposures)
(EE) 13: Xwayland (miHandleValidateExposures)
(EE) 14: Xwayland (SetRootClip)
(EE) 15: Xwayland (update_screen_size)
(EE) 16: Xwayland (apply_output_change)
(EE) 17: libffi.so.6 (ffi_call_unix64)
(EE) 18: libffi.so.6 (ffi_call)
(EE) 19: libwayland-client.so.0 (wl_log_set_handler_client)
(EE) 20: libwayland-client.so.0 (_init)
(EE) 21: libwayland-client.so.0 (wl_display_dispatch_queue_pending)
(EE) 22: libwayland-client.so.0 (wl_display_roundtrip_queue)
(EE) 23: Xwayland (InitInput)
(EE) 24: Xwayland (dix_main)
(EE) 25: libc.so.6 (__libc_start_main)
(EE) 26: Xwayland (_start)
(EE)
(EE)
Fatal server error:
(EE) Caught signal 6 (Aborted). Server aborting
(EE)
Aborted (core dumped)
Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>