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Copy pathnode_api.h
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265 lines (211 loc) · 10.1 KB
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#ifndef SRC_NODE_API_H_
#define SRC_NODE_API_H_
#if defined(BUILDING_NODE_EXTENSION) && !defined(NAPI_EXTERN)
#ifdef _WIN32
// Building native addon against node
#define NAPI_EXTERN __declspec(dllimport)
#elif defined(__wasm__)
#define NAPI_EXTERN __attribute__((__import_module__("napi")))
#endif
#endif
#include "js_native_api.h"
#include "node_api_types.h"
struct uv_loop_s; // Forward declaration.
#ifdef _WIN32
#define NAPI_MODULE_EXPORT __declspec(dllexport)
#else
#ifdef __EMSCRIPTEN__
#define NAPI_MODULE_EXPORT \
__attribute__((visibility("default"))) __attribute__((used))
#else
#define NAPI_MODULE_EXPORT __attribute__((visibility("default")))
#endif
#endif
#if defined(__GNUC__)
#define NAPI_NO_RETURN __attribute__((noreturn))
#elif defined(_WIN32)
#define NAPI_NO_RETURN __declspec(noreturn)
#else
#define NAPI_NO_RETURN
#endif
// Used by deprecated registration method napi_module_register.
typedef struct napi_module {
int nm_version;
unsigned int nm_flags;
const char* nm_filename;
napi_addon_register_func nm_register_func;
const char* nm_modname;
void* nm_priv;
void* reserved[4];
} napi_module;
#define NAPI_MODULE_VERSION 1
#define NAPI_MODULE_INITIALIZER_X(base, version) \
NAPI_MODULE_INITIALIZER_X_HELPER(base, version)
#define NAPI_MODULE_INITIALIZER_X_HELPER(base, version) base##version
#ifdef __wasm__
#define NAPI_MODULE_INITIALIZER_BASE napi_register_wasm_v
#else
#define NAPI_MODULE_INITIALIZER_BASE napi_register_module_v
#endif
#define NODE_API_MODULE_GET_API_VERSION_BASE node_api_module_get_api_version_v
#define NAPI_MODULE_INITIALIZER \
NAPI_MODULE_INITIALIZER_X(NAPI_MODULE_INITIALIZER_BASE, NAPI_MODULE_VERSION)
#define NODE_API_MODULE_GET_API_VERSION \
NAPI_MODULE_INITIALIZER_X(NODE_API_MODULE_GET_API_VERSION_BASE, \
NAPI_MODULE_VERSION)
#define NAPI_MODULE_INIT() \
EXTERN_C_START \
NAPI_MODULE_EXPORT int32_t NODE_API_MODULE_GET_API_VERSION(void) { \
return NAPI_VERSION; \
} \
NAPI_MODULE_EXPORT napi_value NAPI_MODULE_INITIALIZER(napi_env env, \
napi_value exports); \
EXTERN_C_END \
napi_value NAPI_MODULE_INITIALIZER(napi_env env, napi_value exports)
#define NAPI_MODULE(modname, regfunc) \
NAPI_MODULE_INIT() { return regfunc(env, exports); }
// Deprecated. Use NAPI_MODULE.
#define NAPI_MODULE_X(modname, regfunc, priv, flags) \
NAPI_MODULE(modname, regfunc)
EXTERN_C_START
// Deprecated. Replaced by symbol-based registration defined by NAPI_MODULE
// and NAPI_MODULE_INIT macros.
NAPI_EXTERN void NAPI_CDECL
napi_module_register(napi_module* mod);
NAPI_EXTERN NAPI_NO_RETURN void NAPI_CDECL
napi_fatal_error(const char* location,
size_t location_len,
const char* message,
size_t message_len);
// Methods for custom handling of async operations
NAPI_EXTERN napi_status NAPI_CDECL
napi_async_init(napi_env env,
napi_value async_resource,
napi_value async_resource_name,
napi_async_context* result);
NAPI_EXTERN napi_status NAPI_CDECL
napi_async_destroy(napi_env env, napi_async_context async_context);
NAPI_EXTERN napi_status NAPI_CDECL
napi_make_callback(napi_env env,
napi_async_context async_context,
napi_value recv,
napi_value func,
size_t argc,
const napi_value* argv,
napi_value* result);
// Methods to provide node::Buffer functionality with napi types
NAPI_EXTERN napi_status NAPI_CDECL napi_create_buffer(napi_env env,
size_t length,
void** data,
napi_value* result);
#ifndef NODE_API_NO_EXTERNAL_BUFFERS_ALLOWED
NAPI_EXTERN napi_status NAPI_CDECL
napi_create_external_buffer(napi_env env,
size_t length,
void* data,
node_api_basic_finalize finalize_cb,
void* finalize_hint,
napi_value* result);
#endif // NODE_API_NO_EXTERNAL_BUFFERS_ALLOWED
#if NAPI_VERSION >= 10
NAPI_EXTERN napi_status NAPI_CDECL
node_api_create_buffer_from_arraybuffer(napi_env env,
napi_value arraybuffer,
size_t byte_offset,
size_t byte_length,
napi_value* result);
#endif // NAPI_VERSION >= 10
NAPI_EXTERN napi_status NAPI_CDECL napi_create_buffer_copy(napi_env env,
size_t length,
const void* data,
void** result_data,
napi_value* result);
NAPI_EXTERN napi_status NAPI_CDECL napi_is_buffer(napi_env env,
napi_value value,
bool* result);
NAPI_EXTERN napi_status NAPI_CDECL napi_get_buffer_info(napi_env env,
napi_value value,
void** data,
size_t* length);
// Methods to manage simple async operations
NAPI_EXTERN napi_status NAPI_CDECL
napi_create_async_work(napi_env env,
napi_value async_resource,
napi_value async_resource_name,
napi_async_execute_callback execute,
napi_async_complete_callback complete,
void* data,
napi_async_work* result);
NAPI_EXTERN napi_status NAPI_CDECL napi_delete_async_work(napi_env env,
napi_async_work work);
NAPI_EXTERN napi_status NAPI_CDECL napi_queue_async_work(node_api_basic_env env,
napi_async_work work);
NAPI_EXTERN napi_status NAPI_CDECL
napi_cancel_async_work(node_api_basic_env env, napi_async_work work);
// version management
NAPI_EXTERN napi_status NAPI_CDECL napi_get_node_version(
node_api_basic_env env, const napi_node_version** version);
#if NAPI_VERSION >= 2
// Return the current libuv event loop for a given environment
NAPI_EXTERN napi_status NAPI_CDECL
napi_get_uv_event_loop(node_api_basic_env env, struct uv_loop_s** loop);
#endif // NAPI_VERSION >= 2
#if NAPI_VERSION >= 3
NAPI_EXTERN napi_status NAPI_CDECL napi_fatal_exception(napi_env env,
napi_value err);
NAPI_EXTERN napi_status NAPI_CDECL napi_add_env_cleanup_hook(
node_api_basic_env env, napi_cleanup_hook fun, void* arg);
NAPI_EXTERN napi_status NAPI_CDECL napi_remove_env_cleanup_hook(
node_api_basic_env env, napi_cleanup_hook fun, void* arg);
NAPI_EXTERN napi_status NAPI_CDECL
napi_open_callback_scope(napi_env env,
napi_value resource_object,
napi_async_context context,
napi_callback_scope* result);
NAPI_EXTERN napi_status NAPI_CDECL
napi_close_callback_scope(napi_env env, napi_callback_scope scope);
#endif // NAPI_VERSION >= 3
#if NAPI_VERSION >= 4
// Calling into JS from other threads
NAPI_EXTERN napi_status NAPI_CDECL
napi_create_threadsafe_function(napi_env env,
napi_value func,
napi_value async_resource,
napi_value async_resource_name,
size_t max_queue_size,
size_t initial_thread_count,
void* thread_finalize_data,
napi_finalize thread_finalize_cb,
void* context,
napi_threadsafe_function_call_js call_js_cb,
napi_threadsafe_function* result);
NAPI_EXTERN napi_status NAPI_CDECL napi_get_threadsafe_function_context(
napi_threadsafe_function func, void** result);
NAPI_EXTERN napi_status NAPI_CDECL
napi_call_threadsafe_function(napi_threadsafe_function func,
void* data,
napi_threadsafe_function_call_mode is_blocking);
NAPI_EXTERN napi_status NAPI_CDECL
napi_acquire_threadsafe_function(napi_threadsafe_function func);
NAPI_EXTERN napi_status NAPI_CDECL napi_release_threadsafe_function(
napi_threadsafe_function func, napi_threadsafe_function_release_mode mode);
NAPI_EXTERN napi_status NAPI_CDECL napi_unref_threadsafe_function(
node_api_basic_env env, napi_threadsafe_function func);
NAPI_EXTERN napi_status NAPI_CDECL napi_ref_threadsafe_function(
node_api_basic_env env, napi_threadsafe_function func);
#endif // NAPI_VERSION >= 4
#if NAPI_VERSION >= 8
NAPI_EXTERN napi_status NAPI_CDECL
napi_add_async_cleanup_hook(node_api_basic_env env,
napi_async_cleanup_hook hook,
void* arg,
napi_async_cleanup_hook_handle* remove_handle);
NAPI_EXTERN napi_status NAPI_CDECL
napi_remove_async_cleanup_hook(napi_async_cleanup_hook_handle remove_handle);
#endif // NAPI_VERSION >= 8
#if NAPI_VERSION >= 9
NAPI_EXTERN napi_status NAPI_CDECL
node_api_get_module_file_name(node_api_basic_env env, const char** result);
#endif // NAPI_VERSION >= 9
EXTERN_C_END
#endif // SRC_NODE_API_H_
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