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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* Copyright (c) 2023 Lain Bailey <lain@obsproject.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include "../util/c99defs.h"
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#include "calldata.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Signal handler
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*
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* This is used to create a signal handler which can broadcast events
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* to one or more callbacks connected to a signal.
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*/
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struct signal_handler;
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typedef struct signal_handler signal_handler_t;
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typedef void (*global_signal_callback_t)(void *, const char *, calldata_t *);
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typedef void (*signal_callback_t)(void *, calldata_t *);
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EXPORT signal_handler_t *signal_handler_create(void);
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EXPORT void signal_handler_destroy(signal_handler_t *handler);
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EXPORT bool signal_handler_add(signal_handler_t *handler,
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const char *signal_decl);
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static inline bool signal_handler_add_array(signal_handler_t *handler,
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const char **signal_decls)
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{
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bool success = true;
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if (!signal_decls)
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return false;
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while (*signal_decls)
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if (!signal_handler_add(handler, *(signal_decls++)))
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success = false;
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return success;
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}
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EXPORT void signal_handler_connect(signal_handler_t *handler,
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const char *signal,
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signal_callback_t callback, void *data);
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EXPORT void signal_handler_connect_ref(signal_handler_t *handler,
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const char *signal,
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signal_callback_t callback, void *data);
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EXPORT void signal_handler_disconnect(signal_handler_t *handler,
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const char *signal,
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signal_callback_t callback, void *data);
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EXPORT void signal_handler_connect_global(signal_handler_t *handler,
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global_signal_callback_t callback,
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void *data);
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EXPORT void signal_handler_disconnect_global(signal_handler_t *handler,
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global_signal_callback_t callback,
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void *data);
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EXPORT void signal_handler_remove_current(void);
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EXPORT void signal_handler_signal(signal_handler_t *handler, const char *signal,
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calldata_t *params);
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#ifdef __cplusplus
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}
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#endif
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