36 lines
1 KiB
C
36 lines
1 KiB
C
/* Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#pragma once
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#include "lib/defines.h"
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#include "lib/layer.h"
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#include <lua.h>
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struct engine;
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struct kr_module;
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/**
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* Register Lua module as a FFI module.
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* This fabricates a standard module interface,
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* that trampolines to the Lua module methods.
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*
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* @note Lua module is loaded in it's own coroutine,
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* so it's possible to yield and resume at arbitrary
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* places except deinit()
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*
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* @param engine daemon engine
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* @param module prepared module
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* @param name module name
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* @return 0 or an error
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*/
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int ffimodule_register_lua(struct engine *engine, struct kr_module *module, const char *name);
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int ffimodule_init(lua_State *L);
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void ffimodule_deinit(lua_State *L);
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/** Static storage for faster passing of layer function parameters to lua callbacks.
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*
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* We don't need to declare it in a header, but let's give it visibility. */
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KR_EXPORT extern kr_layer_t kr_layer_t_static;
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