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tablet-v2: fix segfault on display destroy

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emersion 2018-11-12 20:05:13 +01:00
parent 3181c4bec0
commit 89ec624f81
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GPG key ID: 0FDE7BE0E88F5E48
2 changed files with 28 additions and 21 deletions
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4
include/types/wlr_tablet_v2.h
View file

@ -6,7 +6,7 @@
#include <wlr/types/wlr_tablet_v2.h> #include <wlr/types/wlr_tablet_v2.h>
struct wlr_tablet_seat_v2 { struct wlr_tablet_seat_v2 {
struct wl_list link; struct wl_list link; // wlr_tablet_manager_v2::seats
struct wlr_seat *wlr_seat; struct wlr_seat *wlr_seat;
struct wlr_tablet_manager_v2 *manager; struct wlr_tablet_manager_v2 *manager;
@ -14,7 +14,7 @@ struct wlr_tablet_seat_v2 {
struct wl_list tools; struct wl_list tools;
struct wl_list pads; struct wl_list pads;
struct wl_list clients; //wlr_tablet_seat_v2_client::link; struct wl_list clients; // wlr_tablet_seat_v2_client::link
struct wl_listener seat_destroy; struct wl_listener seat_destroy;
}; };

43
types/tablet_v2/wlr_tablet_v2.c
View file

@ -27,20 +27,22 @@ struct wlr_tablet_manager_client_v2 {
struct wl_list tablet_seats; // wlr_tablet_seat_client_v2::link struct wl_list tablet_seats; // wlr_tablet_seat_client_v2::link
}; };
static void handle_wlr_seat_destroy(struct wl_listener *listener, void *data) { static void tablet_seat_destroy(struct wlr_tablet_seat_v2 *seat) {
struct wlr_tablet_seat_v2 *seat =
wl_container_of(listener, seat, seat_destroy);
wl_list_remove(&seat->link); wl_list_remove(&seat->link);
wl_list_remove(&seat->seat_destroy.link); wl_list_remove(&seat->seat_destroy.link);
struct wlr_tablet_seat_client_v2 *client; struct wlr_tablet_seat_client_v2 *client, *client_tmp;
struct wlr_tablet_seat_client_v2 *tmp; wl_list_for_each_safe(client, client_tmp, &seat->clients, seat_link) {
wl_list_for_each_safe(client, tmp, &seat->clients, seat_link) {
tablet_seat_client_v2_destroy(client->resource); tablet_seat_client_v2_destroy(client->resource);
} }
} }
static void handle_wlr_seat_destroy(struct wl_listener *listener, void *data) {
struct wlr_tablet_seat_v2 *seat =
wl_container_of(listener, seat, seat_destroy);
tablet_seat_destroy(seat);
}
static struct wlr_tablet_seat_v2 *create_tablet_seat( static struct wlr_tablet_seat_v2 *create_tablet_seat(
struct wlr_tablet_manager_v2 *manager, struct wlr_tablet_manager_v2 *manager,
struct wlr_seat *wlr_seat) { struct wlr_seat *wlr_seat) {
@ -79,13 +81,13 @@ struct wlr_tablet_seat_v2 *get_or_create_tablet_seat(
return create_tablet_seat(manager, wlr_seat); return create_tablet_seat(manager, wlr_seat);
} }
static void tablet_seat_destroy(struct wl_client *client, static void tablet_seat_handle_destroy(struct wl_client *client,
struct wl_resource *resource) { struct wl_resource *resource) {
wl_resource_destroy(resource); wl_resource_destroy(resource);
} }
static struct zwp_tablet_seat_v2_interface seat_impl = { static struct zwp_tablet_seat_v2_interface seat_impl = {
.destroy = tablet_seat_destroy, .destroy = tablet_seat_handle_destroy,
}; };
struct wlr_tablet_seat_client_v2 *tablet_seat_client_from_resource( struct wlr_tablet_seat_client_v2 *tablet_seat_client_from_resource(
@ -138,12 +140,13 @@ static void tablet_manager_destroy(struct wl_client *client,
wl_resource_destroy(resource); wl_resource_destroy(resource);
} }
static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(struct wl_resource *resource); static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(
struct wl_resource *resource);
static void get_tablet_seat(struct wl_client *wl_client, struct wl_resource *resource, static void get_tablet_seat(struct wl_client *wl_client, struct wl_resource *resource,
uint32_t id, struct wl_resource *seat_resource) uint32_t id, struct wl_resource *seat_resource) {
{ struct wlr_tablet_manager_client_v2 *manager =
struct wlr_tablet_manager_client_v2 *manager = tablet_manager_client_from_resource(resource); tablet_manager_client_from_resource(resource);
if (!manager) { if (!manager) {
/* Inert manager, just set up the resource for later /* Inert manager, just set up the resource for later
* destruction, without allocations or advertising things * destruction, without allocations or advertising things
@ -222,7 +225,8 @@ static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource
} }
static void wlr_tablet_manager_v2_destroy(struct wl_resource *resource) { static void wlr_tablet_manager_v2_destroy(struct wl_resource *resource) {
struct wlr_tablet_manager_client_v2 *client = tablet_manager_client_from_resource(resource); struct wlr_tablet_manager_client_v2 *client =
tablet_manager_client_from_resource(resource);
if (!client) { if (!client) {
return; return;
} }
@ -275,11 +279,14 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
} }
void wlr_tablet_v2_destroy(struct wlr_tablet_manager_v2 *manager) { void wlr_tablet_v2_destroy(struct wlr_tablet_manager_v2 *manager) {
struct wlr_tablet_manager_client_v2 *tmp; struct wlr_tablet_manager_client_v2 *client, *client_tmp;
struct wlr_tablet_manager_client_v2 *pos; wl_list_for_each_safe(client, client_tmp, &manager->clients, link) {
wlr_tablet_manager_v2_destroy(client->resource);
}
wl_list_for_each_safe(pos, tmp, &manager->clients, link) { struct wlr_tablet_seat_v2 *seat, *seat_tmp;
wlr_tablet_manager_v2_destroy(pos->resource); wl_list_for_each_safe(seat, seat_tmp, &manager->seats, link) {
tablet_seat_destroy(seat);
} }
wlr_signal_emit_safe(&manager->events.destroy, manager); wlr_signal_emit_safe(&manager->events.destroy, manager);