From 9aaa9ba477f98f0eb827969f80bb845cfef2dd4b Mon Sep 17 00:00:00 2001 From: emersion Date: Sat, 23 Jun 2018 18:55:37 +0100 Subject: screencopy: make frame resource inert after copy --- types/wlr_screencopy_v1.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/types/wlr_screencopy_v1.c b/types/wlr_screencopy_v1.c index 027d4b51..c897e41e 100644 --- a/types/wlr_screencopy_v1.c +++ b/types/wlr_screencopy_v1.c @@ -17,6 +17,17 @@ static struct wlr_screencopy_frame_v1 *frame_from_resource( return wl_resource_get_user_data(resource); } +static void frame_destroy(struct wlr_screencopy_frame_v1 *frame) { + if (frame == NULL) { + return; + } + wl_list_remove(&frame->link); + wl_list_remove(&frame->output_swap_buffers.link); + // Make the frame resource inert + wl_resource_set_user_data(frame->resource, NULL); + free(frame); +} + static void frame_handle_output_swap_buffers(struct wl_listener *listener, void *_data) { struct wlr_screencopy_frame_v1 *frame = @@ -48,6 +59,7 @@ static void frame_handle_output_swap_buffers(struct wl_listener *listener, if (!ok) { zwlr_screencopy_frame_v1_send_failed(frame->resource); + frame_destroy(frame); return; } @@ -58,13 +70,17 @@ static void frame_handle_output_swap_buffers(struct wl_listener *listener, zwlr_screencopy_frame_v1_send_ready(frame->resource, tv_sec_hi, tv_sec_lo, event->when->tv_nsec); - // TODO: make frame resource inert + frame_destroy(frame); } static void frame_handle_copy(struct wl_client *client, struct wl_resource *frame_resource, struct wl_resource *buffer_resource) { struct wlr_screencopy_frame_v1 *frame = frame_from_resource(frame_resource); + if (frame == NULL) { + return; + } + struct wlr_output *output = frame->output; struct wl_shm_buffer *buffer = wl_shm_buffer_get(buffer_resource); @@ -119,9 +135,7 @@ static const struct zwlr_screencopy_frame_v1_interface frame_impl = { static void frame_handle_resource_destroy(struct wl_resource *frame_resource) { struct wlr_screencopy_frame_v1 *frame = frame_from_resource(frame_resource); - wl_list_remove(&frame->link); - wl_list_remove(&frame->output_swap_buffers.link); - free(frame); + frame_destroy(frame); } -- cgit v1.2.3