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authoremersion <contact@emersion.fr>2018-01-30 19:45:57 +0100
committeremersion <contact@emersion.fr>2018-01-30 19:45:57 +0100
commitbabdd6ccf757f18ef15b50d9f16c55031a7c1944 (patch)
tree4e1d065ea0b710c44d362b07cc941cd290d5ac46 /examples/support/README
parent704130cc1164604c5b805adf186999269e14c5a5 (diff)
backend: fix use-after-free when destroying backends
The backend destroy signal is emitted before the output_remove signal is. When the destroy signal is emitted listeners remove their output_remove listener, so the output_remove signal is never received and listeners have an invalid output pointer. The correct way to solve this would be to remove the output_remove signal completely and use the wlr_output.events.destroy signal instead. This isn't yet possible because wl_signal_emit is unsafe and listeners cannot be removed in listeners.
Diffstat (limited to 'examples/support/README')
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