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Merge pull request #1375 from emersion/tablet-segfault

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tablet-v2: fix segfault on display destroy
This commit is contained in:
Drew DeVault 2018-11-25 17:30:31 -05:00 committed by GitHub
commit 90f1a34d2c
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GPG Key ID: 4AEE18F83AFDEB23
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>
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_tablet_manager_v2 *manager;
@ -14,7 +14,7 @@ struct wlr_tablet_seat_v2 {
struct wl_list tools;
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;
};

45
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
};
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);
static void tablet_seat_destroy(struct wlr_tablet_seat_v2 *seat) {
wl_list_remove(&seat->link);
wl_list_remove(&seat->seat_destroy.link);
struct wlr_tablet_seat_client_v2 *client;
struct wlr_tablet_seat_client_v2 *tmp;
wl_list_for_each_safe(client, tmp, &seat->clients, seat_link) {
struct wlr_tablet_seat_client_v2 *client, *client_tmp;
wl_list_for_each_safe(client, client_tmp, &seat->clients, seat_link) {
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(
struct wlr_tablet_manager_v2 *manager,
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);
}
static void tablet_seat_destroy(struct wl_client *client,
static void tablet_seat_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
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(
@ -138,12 +140,13 @@ static void tablet_manager_destroy(struct wl_client *client,
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,
uint32_t id, struct wl_resource *seat_resource)
{
struct wlr_tablet_manager_client_v2 *manager = tablet_manager_client_from_resource(resource);
uint32_t id, struct wl_resource *seat_resource) {
struct wlr_tablet_manager_client_v2 *manager =
tablet_manager_client_from_resource(resource);
if (!manager) {
/* Inert manager, just set up the resource for later
* destruction, without allocations or advertising things
@ -214,7 +217,7 @@ static struct zwp_tablet_manager_v2_interface manager_impl = {
.destroy = tablet_manager_destroy,
};
static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource (
static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zwp_tablet_manager_v2_interface,
&manager_impl));
@ -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) {
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) {
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) {
struct wlr_tablet_manager_client_v2 *tmp;
struct wlr_tablet_manager_client_v2 *pos;
struct wlr_tablet_manager_client_v2 *client, *client_tmp;
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) {
wlr_tablet_manager_v2_destroy(pos->resource);
struct wlr_tablet_seat_v2 *seat, *seat_tmp;
wl_list_for_each_safe(seat, seat_tmp, &manager->seats, link) {
tablet_seat_destroy(seat);
}
wlr_signal_emit_safe(&manager->events.destroy, manager);