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rootston: don't crash on shutdown 

When e.g. running rootston under X11 it would otherwise crash when
closing rootston like:

    #0  0x00007f0197da7327 in wl_list_remove () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #1  0x000056306fcee7fb in handle_destroy (listener=0x5630723a2948, data=0x5630723a5d20) at ../rootston/layer_shell.c:273
    #2  0x00007f019800a552 in wlr_signal_emit_safe (signal=0x5630723a5e30, data=0x5630723a5d20) at ../util/signal.c:29
    #3  0x00007f0197fef808 in layer_surface_destroy (surface=0x5630723a5d20) at ../types/wlr_layer_shell.c:169
    #4  0x00007f0197ff0001 in client_handle_destroy (resource=0x56307229c4c0) at ../types/wlr_layer_shell.c:371
    #5  0x00007f0197da2f30 in  () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #6  0x00007f0197da77f9 in  () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #7  0x00007f0197da301d in wl_client_destroy () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #8  0x00007f0197da30d8 in  () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #9  0x00007f0197da4c12 in wl_event_loop_dispatch () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #10 0x00007f0197da344a in wl_display_run () at /usr/lib/x86_64-linux-gnu/libwayland-server.so.0
    #11 0x000056306fcef069 in main (argc=3, argv=0x7ffd22032528) at ../rootston/main.c:83

since the output_destroy got already removed in handle_output_destroy.
This commit is contained in:
Guido Günther 2018-04-16 15:47:22 +02:00
parent 72411a7a7c
commit 47e1eda669
1 changed files with 4 additions and 2 deletions
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6
rootston/layer_shell.c
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@ -270,8 +270,10 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
wl_list_remove(&layer->map.link); wl_list_remove(&layer->map.link);
wl_list_remove(&layer->unmap.link); wl_list_remove(&layer->unmap.link);
wl_list_remove(&layer->surface_commit.link); wl_list_remove(&layer->surface_commit.link);
wl_list_remove(&layer->output_destroy.link); if (layer->layer_surface->output) {
arrange_layers((struct roots_output *)layer->layer_surface->output->data); wl_list_remove(&layer->output_destroy.link);
arrange_layers((struct roots_output *)layer->layer_surface->output->data);
}
free(layer); free(layer);
} }