yolobs-studio/libobs/callback/signal.h
2018-12-16 17:14:58 +01:00

78 lines
2.5 KiB
C

/*
* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
#include "../util/c99defs.h"
#include "calldata.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Signal handler
*
* This is used to create a signal handler which can broadcast events
* to one or more callbacks connected to a signal.
*/
struct signal_handler;
typedef struct signal_handler signal_handler_t;
typedef void (*global_signal_callback_t)(void*, const char*, calldata_t*);
typedef void (*signal_callback_t)(void*, calldata_t*);
EXPORT signal_handler_t *signal_handler_create(void);
EXPORT void signal_handler_destroy(signal_handler_t *handler);
EXPORT bool signal_handler_add(signal_handler_t *handler,
const char *signal_decl);
static inline bool signal_handler_add_array(signal_handler_t *handler,
const char **signal_decls)
{
bool success = true;
if (!signal_decls)
return false;
while (*signal_decls)
if (!signal_handler_add(handler, *(signal_decls++)))
success = false;
return success;
}
EXPORT void signal_handler_connect(signal_handler_t *handler,
const char *signal, signal_callback_t callback, void *data);
EXPORT void signal_handler_connect_ref(signal_handler_t *handler,
const char *signal, signal_callback_t callback, void *data);
EXPORT void signal_handler_disconnect(signal_handler_t *handler,
const char *signal, signal_callback_t callback, void *data);
EXPORT void signal_handler_connect_global(signal_handler_t *handler,
global_signal_callback_t callback, void *data);
EXPORT void signal_handler_disconnect_global(signal_handler_t *handler,
global_signal_callback_t callback, void *data);
EXPORT void signal_handler_remove_current(void);
EXPORT void signal_handler_signal(signal_handler_t *handler, const char *signal,
calldata_t *params);
#ifdef __cplusplus
}
#endif