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237 lines
10 KiB
237 lines
10 KiB
#ifndef SRC_NODE_API_H_ |
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#define SRC_NODE_API_H_ |
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#ifdef BUILDING_NODE_EXTENSION |
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#ifdef _WIN32 |
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// Building native module against node |
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#define NAPI_EXTERN __declspec(dllimport) |
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#endif |
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#endif |
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#include "js_native_api.h" |
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#include "node_api_types.h" |
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struct uv_loop_s; // Forward declaration. |
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#ifdef _WIN32 |
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# define NAPI_MODULE_EXPORT __declspec(dllexport) |
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#else |
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# define NAPI_MODULE_EXPORT __attribute__((visibility("default"))) |
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#endif |
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#ifdef __GNUC__ |
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#define NAPI_NO_RETURN __attribute__((noreturn)) |
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#else |
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#define NAPI_NO_RETURN |
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#endif |
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typedef napi_value (*napi_addon_register_func)(napi_env env, |
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napi_value exports); |
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typedef struct { |
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int nm_version; |
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unsigned int nm_flags; |
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const char* nm_filename; |
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napi_addon_register_func nm_register_func; |
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const char* nm_modname; |
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void* nm_priv; |
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void* reserved[4]; |
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} napi_module; |
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#define NAPI_MODULE_VERSION 1 |
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#if defined(_MSC_VER) |
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#pragma section(".CRT$XCU", read) |
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#define NAPI_C_CTOR(fn) \ |
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static void __cdecl fn(void); \ |
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__declspec(dllexport, allocate(".CRT$XCU")) void(__cdecl * fn##_)(void) = \ |
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fn; \ |
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static void __cdecl fn(void) |
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#else |
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#define NAPI_C_CTOR(fn) \ |
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static void fn(void) __attribute__((constructor)); \ |
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static void fn(void) |
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#endif |
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#define NAPI_MODULE_X(modname, regfunc, priv, flags) \ |
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EXTERN_C_START \ |
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static napi_module _module = \ |
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{ \ |
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NAPI_MODULE_VERSION, \ |
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flags, \ |
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__FILE__, \ |
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regfunc, \ |
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#modname, \ |
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priv, \ |
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{0}, \ |
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}; \ |
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NAPI_C_CTOR(_register_ ## modname) { \ |
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napi_module_register(&_module); \ |
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} \ |
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EXTERN_C_END |
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#define NAPI_MODULE(modname, regfunc) \ |
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NAPI_MODULE_X(modname, regfunc, NULL, 0) // NOLINT (readability/null_usage) |
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#define NAPI_MODULE_INITIALIZER_BASE napi_register_module_v |
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#define NAPI_MODULE_INITIALIZER_X(base, version) \ |
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NAPI_MODULE_INITIALIZER_X_HELPER(base, version) |
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#define NAPI_MODULE_INITIALIZER_X_HELPER(base, version) base##version |
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#define NAPI_MODULE_INITIALIZER \ |
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NAPI_MODULE_INITIALIZER_X(NAPI_MODULE_INITIALIZER_BASE, \ |
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NAPI_MODULE_VERSION) |
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#define NAPI_MODULE_INIT() \ |
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EXTERN_C_START \ |
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NAPI_MODULE_EXPORT napi_value \ |
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NAPI_MODULE_INITIALIZER(napi_env env, napi_value exports); \ |
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EXTERN_C_END \ |
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NAPI_MODULE(NODE_GYP_MODULE_NAME, NAPI_MODULE_INITIALIZER) \ |
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napi_value NAPI_MODULE_INITIALIZER(napi_env env, \ |
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napi_value exports) |
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EXTERN_C_START |
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NAPI_EXTERN void napi_module_register(napi_module* mod); |
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NAPI_EXTERN NAPI_NO_RETURN void napi_fatal_error(const char* location, |
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size_t location_len, |
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const char* message, |
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size_t message_len); |
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// Methods for custom handling of async operations |
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NAPI_EXTERN napi_status napi_async_init(napi_env env, |
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napi_value async_resource, |
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napi_value async_resource_name, |
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napi_async_context* result); |
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NAPI_EXTERN napi_status napi_async_destroy(napi_env env, |
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napi_async_context async_context); |
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NAPI_EXTERN napi_status napi_make_callback(napi_env env, |
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napi_async_context async_context, |
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napi_value recv, |
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napi_value func, |
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size_t argc, |
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const napi_value* argv, |
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napi_value* result); |
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// Methods to provide node::Buffer functionality with napi types |
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NAPI_EXTERN napi_status napi_create_buffer(napi_env env, |
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size_t length, |
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void** data, |
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napi_value* result); |
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NAPI_EXTERN napi_status napi_create_external_buffer(napi_env env, |
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size_t length, |
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void* data, |
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napi_finalize finalize_cb, |
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void* finalize_hint, |
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napi_value* result); |
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NAPI_EXTERN napi_status napi_create_buffer_copy(napi_env env, |
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size_t length, |
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const void* data, |
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void** result_data, |
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napi_value* result); |
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NAPI_EXTERN napi_status napi_is_buffer(napi_env env, |
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napi_value value, |
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bool* result); |
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NAPI_EXTERN napi_status napi_get_buffer_info(napi_env env, |
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napi_value value, |
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void** data, |
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size_t* length); |
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// Methods to manage simple async operations |
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NAPI_EXTERN |
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napi_status napi_create_async_work(napi_env env, |
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napi_value async_resource, |
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napi_value async_resource_name, |
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napi_async_execute_callback execute, |
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napi_async_complete_callback complete, |
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void* data, |
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napi_async_work* result); |
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NAPI_EXTERN napi_status napi_delete_async_work(napi_env env, |
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napi_async_work work); |
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NAPI_EXTERN napi_status napi_queue_async_work(napi_env env, |
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napi_async_work work); |
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NAPI_EXTERN napi_status napi_cancel_async_work(napi_env env, |
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napi_async_work work); |
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// version management |
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NAPI_EXTERN |
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napi_status napi_get_node_version(napi_env env, |
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const napi_node_version** version); |
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#if NAPI_VERSION >= 2 |
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// Return the current libuv event loop for a given environment |
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NAPI_EXTERN napi_status napi_get_uv_event_loop(napi_env env, |
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struct uv_loop_s** loop); |
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#endif // NAPI_VERSION >= 2 |
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#if NAPI_VERSION >= 3 |
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NAPI_EXTERN napi_status napi_fatal_exception(napi_env env, napi_value err); |
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NAPI_EXTERN napi_status napi_add_env_cleanup_hook(napi_env env, |
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void (*fun)(void* arg), |
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void* arg); |
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NAPI_EXTERN napi_status napi_remove_env_cleanup_hook(napi_env env, |
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void (*fun)(void* arg), |
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void* arg); |
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NAPI_EXTERN napi_status napi_open_callback_scope(napi_env env, |
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napi_value resource_object, |
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napi_async_context context, |
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napi_callback_scope* result); |
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NAPI_EXTERN napi_status napi_close_callback_scope(napi_env env, |
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napi_callback_scope scope); |
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#endif // NAPI_VERSION >= 3 |
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#if NAPI_VERSION >= 4 |
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// Calling into JS from other threads |
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NAPI_EXTERN napi_status |
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napi_create_threadsafe_function(napi_env env, |
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napi_value func, |
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napi_value async_resource, |
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napi_value async_resource_name, |
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size_t max_queue_size, |
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size_t initial_thread_count, |
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void* thread_finalize_data, |
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napi_finalize thread_finalize_cb, |
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void* context, |
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napi_threadsafe_function_call_js call_js_cb, |
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napi_threadsafe_function* result); |
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NAPI_EXTERN napi_status |
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napi_get_threadsafe_function_context(napi_threadsafe_function func, |
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void** result); |
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NAPI_EXTERN napi_status |
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napi_call_threadsafe_function(napi_threadsafe_function func, |
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void* data, |
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napi_threadsafe_function_call_mode is_blocking); |
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NAPI_EXTERN napi_status |
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napi_acquire_threadsafe_function(napi_threadsafe_function func); |
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NAPI_EXTERN napi_status |
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napi_release_threadsafe_function(napi_threadsafe_function func, |
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napi_threadsafe_function_release_mode mode); |
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NAPI_EXTERN napi_status |
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napi_unref_threadsafe_function(napi_env env, napi_threadsafe_function func); |
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NAPI_EXTERN napi_status |
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napi_ref_threadsafe_function(napi_env env, napi_threadsafe_function func); |
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#endif // NAPI_VERSION >= 4 |
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EXTERN_C_END |
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#endif // SRC_NODE_API_H_
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