On Thu, Dec 22, 2011 at 9:52 AM, Pekka Paalanen <ppaala...@gmail.com> wrote:
> On wl_display_add_socket(), the listening socket fd is added to the
> event loop. However, wl_event_source object is not stored and hence
> cannot be freed, resulting in a minor leak.
>
> Store wl_event_source pointer in struct wl_socket so we can track it,
> and destroy it on wl_display_destroy(). The event loop itself must be
> destroyed after destroying the event sources linked to it.
>
> Fixes a Valgrind reported memory leak.
Nice, that looks better overall.
Kristian
> Signed-off-by: Pekka Paalanen <ppaala...@gmail.com>
> ---
> src/wayland-server.c | 11 +++++++----
> 1 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/src/wayland-server.c b/src/wayland-server.c
> index 87e4ed5..20504d7 100644
> --- a/src/wayland-server.c
> +++ b/src/wayland-server.c
> @@ -51,6 +51,7 @@ struct wl_socket {
> struct sockaddr_un addr;
> char lock_addr[113];
> struct wl_list link;
> + struct wl_event_source *source;
> };
>
> struct wl_client {
> @@ -667,14 +668,15 @@ wl_display_destroy(struct wl_display *display)
> struct wl_socket *s, *next;
> struct wl_global *global, *gnext;
>
> - wl_event_loop_destroy(display->loop);
> wl_list_for_each_safe(s, next, &display->socket_list, link) {
> + wl_event_source_remove(s->source);
> close(s->fd);
> unlink(s->addr.sun_path);
> close(s->fd_lock);
> unlink(s->lock_addr);
> free(s);
> }
> + wl_event_loop_destroy(display->loop);
>
> wl_list_for_each_safe(global, gnext, &display->global_list, link)
> free(global);
> @@ -858,9 +860,10 @@ wl_display_add_socket(struct wl_display *display, const
> char *name)
> return -1;
> }
>
> - if (wl_event_loop_add_fd(display->loop, s->fd,
> - WL_EVENT_READABLE,
> - socket_data, display) == NULL) {
> + s->source = wl_event_loop_add_fd(display->loop, s->fd,
> + WL_EVENT_READABLE,
> + socket_data, display);
> + if (s->source == NULL) {
> close(s->fd);
> unlink(s->addr.sun_path);
> free(s);
> --
> 1.7.3.4
>
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