diff options
| author | Neil Roberts <neil@linux.intel.com> | 2013-11-13 15:44:06 +0000 |
|---|---|---|
| committer | Kristian Høgsberg <krh@bitplanet.net> | 2013-11-13 16:32:58 -0800 |
| commit | e505171a3254883aedb5f69ab8f090205ba88188 (patch) | |
| tree | 7700ff6e036333ef8bd38708f361e96930fe62a4 /src/screenshooter.c | |
| parent | f707e8145ba8c26811c5dae2b3d00844afc0ffaf (diff) | |
| download | weston-e505171a3254883aedb5f69ab8f090205ba88188.tar.gz | |
Add calls to wl_shm_buffer_begin/end_access
This wraps all accesses to an SHM buffer between wl_shm_buffer_begin
and end so that wayland-shm can install a handler for SIGBUS and catch
attempts to pass the compositor a buffer that is too small.
Diffstat (limited to 'src/screenshooter.c')
| -rw-r--r-- | src/screenshooter.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/screenshooter.c b/src/screenshooter.c index 645114d0..0c657bc8 100644 --- a/src/screenshooter.c +++ b/src/screenshooter.c @@ -144,6 +144,8 @@ screenshooter_frame_notify(struct wl_listener *listener, void *data) d = wl_shm_buffer_get_data(l->buffer->shm_buffer); s = pixels + stride * (l->buffer->height - 1); + wl_shm_buffer_begin_access(l->buffer->shm_buffer); + switch (compositor->read_format) { case PIXMAN_a8r8g8b8: case PIXMAN_x8r8g8b8: @@ -163,6 +165,8 @@ screenshooter_frame_notify(struct wl_listener *listener, void *data) break; } + wl_shm_buffer_end_access(l->buffer->shm_buffer); + screenshooter_send_done(l->resource); free(pixels); free(l); |