diff options
Diffstat (limited to 'src/wayland-util.h')
| -rw-r--r-- | src/wayland-util.h | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/src/wayland-util.h b/src/wayland-util.h index 170bf86..f0a4508 100644 --- a/src/wayland-util.h +++ b/src/wayland-util.h @@ -662,21 +662,28 @@ union wl_argument { }; /** - * \brief A function pointer type for a dispatcher. + * Dispatcher function type alias * * A dispatcher is a function that handles the emitting of callbacks in client - * code. For programs directly using the C library, this is done by using - * libffi to call function pointers. When binding to languages other than C, + * code. For programs directly using the C library, this is done by using + * libffi to call function pointers. When binding to languages other than C, * dispatchers provide a way to abstract the function calling process to be * friendlier to other function calling systems. * - * A dispatcher takes five arguments: The first is the dispatcher-specific - * implementation data associated with the target object. The second is the - * object on which the callback is being invoked (either wl_proxy or - * wl_resource). The third and fourth arguments are the opcode the wl_message - * structure corresponding to the callback being emitted. The final argument - * is an array of arguments received from the other process via the wire - * protocol. + * A dispatcher takes five arguments: The first is the dispatcher-specific + * implementation associated with the target object. The second is the object + * upon which the callback is being invoked (either wl_proxy or wl_resource). + * The third and fourth arguments are the opcode and the wl_message + * corresponding to the callback. The final argument is an array of arguments + * received from the other process via the wire protocol. + * + * \param "const void *" Dispatcher-specific implementation data + * \param "void *" Callback invocation target (wl_proxy or `wl_resource`) + * \param uint32_t Callback opcode + * \param "const struct wl_message *" Callback message signature + * \param "union wl_argument *" Array of received arguments + * + * \return 0 on success, or -1 on failure */ typedef int (*wl_dispatcher_func_t)(const void *, void *, uint32_t, const struct wl_message *, |