Use wl_signal_emit_mutable()

This function fixes segfaults when emitting a signal potentially
removes arbitrary listeners.
This commit is contained in:
Simon Ser 2022-11-10 14:35:14 +01:00 committed by Kirill Primak
parent 6c3b35701d
commit dcd2076f38
5 changed files with 9 additions and 9 deletions

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@ -46,7 +46,7 @@ subproject(
jsonc = dependency('json-c', version: '>=0.13') jsonc = dependency('json-c', version: '>=0.13')
pcre2 = dependency('libpcre2-8') pcre2 = dependency('libpcre2-8')
wayland_server = dependency('wayland-server', version: '>=1.20.0') wayland_server = dependency('wayland-server', version: '>=1.21.0')
wayland_client = dependency('wayland-client') wayland_client = dependency('wayland-client')
wayland_cursor = dependency('wayland-cursor') wayland_cursor = dependency('wayland-cursor')
wayland_egl = dependency('wayland-egl') wayland_egl = dependency('wayland-egl')

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@ -49,7 +49,7 @@ struct sway_container *container_create(struct sway_view *view) {
c->outputs = create_list(); c->outputs = create_list();
wl_signal_init(&c->events.destroy); wl_signal_init(&c->events.destroy);
wl_signal_emit(&root->events.new_node, &c->node); wl_signal_emit_mutable(&root->events.new_node, &c->node);
return c; return c;
} }
@ -104,7 +104,7 @@ void container_begin_destroy(struct sway_container *con) {
container_fullscreen_disable(con); container_fullscreen_disable(con);
} }
wl_signal_emit(&con->node.events.destroy, &con->node); wl_signal_emit_mutable(&con->node.events.destroy, &con->node);
container_end_mouse_operation(con); container_end_mouse_operation(con);

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@ -147,7 +147,7 @@ void output_enable(struct sway_output *output) {
input_manager_configure_xcursor(); input_manager_configure_xcursor();
wl_signal_emit(&root->events.new_node, &output->node); wl_signal_emit_mutable(&root->events.new_node, &output->node);
arrange_layers(output); arrange_layers(output);
arrange_root(); arrange_root();
@ -263,7 +263,7 @@ void output_disable(struct sway_output *output) {
} }
sway_log(SWAY_DEBUG, "Disabling output '%s'", output->wlr_output->name); sway_log(SWAY_DEBUG, "Disabling output '%s'", output->wlr_output->name);
wl_signal_emit(&output->events.disable, output); wl_signal_emit_mutable(&output->events.disable, output);
output_evacuate(output); output_evacuate(output);
@ -287,7 +287,7 @@ void output_begin_destroy(struct sway_output *output) {
return; return;
} }
sway_log(SWAY_DEBUG, "Destroying output '%s'", output->wlr_output->name); sway_log(SWAY_DEBUG, "Destroying output '%s'", output->wlr_output->name);
wl_signal_emit(&output->node.events.destroy, &output->node); wl_signal_emit_mutable(&output->node.events.destroy, &output->node);
output->node.destroying = true; output->node.destroying = true;
node_set_dirty(&output->node); node_set_dirty(&output->node);

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@ -847,7 +847,7 @@ void view_map(struct sway_view *view, struct wlr_surface *wlr_surface,
} }
void view_unmap(struct sway_view *view) { void view_unmap(struct sway_view *view) {
wl_signal_emit(&view->events.unmap, view); wl_signal_emit_mutable(&view->events.unmap, view);
wl_list_remove(&view->surface_new_subsurface.link); wl_list_remove(&view->surface_new_subsurface.link);

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@ -114,7 +114,7 @@ struct sway_workspace *workspace_create(struct sway_output *output,
output_sort_workspaces(output); output_sort_workspaces(output);
ipc_event_workspace(NULL, ws, "init"); ipc_event_workspace(NULL, ws, "init");
wl_signal_emit(&root->events.new_node, &ws->node); wl_signal_emit_mutable(&root->events.new_node, &ws->node);
return ws; return ws;
} }
@ -142,7 +142,7 @@ void workspace_destroy(struct sway_workspace *workspace) {
void workspace_begin_destroy(struct sway_workspace *workspace) { void workspace_begin_destroy(struct sway_workspace *workspace) {
sway_log(SWAY_DEBUG, "Destroying workspace '%s'", workspace->name); sway_log(SWAY_DEBUG, "Destroying workspace '%s'", workspace->name);
ipc_event_workspace(NULL, workspace, "empty"); // intentional ipc_event_workspace(NULL, workspace, "empty"); // intentional
wl_signal_emit(&workspace->node.events.destroy, &workspace->node); wl_signal_emit_mutable(&workspace->node.events.destroy, &workspace->node);
if (workspace->output) { if (workspace->output) {
workspace_detach(workspace); workspace_detach(workspace);