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wayland-client: add wl_display_get_error()

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A server may asynchronously send errors via wl_display.error() events.
Instead of aborting we now the a "last_error" flag inside of wl_display
objects. The user can retrieve these via wl_display_get_error().

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2012-10-11 23:37:42 +02:00 • committed by Kristian Høgsberg
parent 36e29df2cb
commit 66e4aa98cf
2 changed files with 37 additions and 3 deletions
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39
src/wayland-client.c
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@ -68,6 +68,7 @@ struct wl_event_queue {
struct wl_display {
struct wl_proxy proxy;
struct wl_connection *connection;
int last_error;
int fd;
int close_fd;
pthread_t display_thread;
@ -327,9 +328,27 @@ display_handle_error(void *data,
struct wl_display *display, struct wl_object *object,
uint32_t code, const char *message)
{
fprintf(stderr, "%s@%u: error %d: %s\n",
object->interface->name, object->id, code, message);
abort();
int err;
wl_log("%s@%u: error %d: %s\n",
object->interface->name, object->id, code, message);
switch (code) {
case WL_DISPLAY_ERROR_INVALID_OBJECT:
case WL_DISPLAY_ERROR_INVALID_METHOD:
err = -EINVAL;
break;
case WL_DISPLAY_ERROR_NO_MEMORY:
err = -ENOMEM;
break;
default:
err = -EFAULT;
break;
}
pthread_mutex_lock(&display->mutex);
display->last_error = err;
pthread_mutex_unlock(&display->mutex);
}
static void
@ -782,6 +801,20 @@ wl_display_dispatch_pending(struct wl_display *display)
*
* \memberof wl_display
*/
WL_EXPORT int
wl_display_get_error(struct wl_display *display)
{
int ret;
pthread_mutex_lock(&display->mutex);
ret = display->last_error;
pthread_mutex_unlock(&display->mutex);
return ret;
}
WL_EXPORT int
wl_display_flush(struct wl_display *display)
{