1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <cstdio>
17 #include <js_native_api.h>
18 #include <node_api.h>
19 #include <sys/klog.h>
20
21 #define PARAM_0 0
22 #define PARAM_1 1
23 #define PARAM_2 2
24 #define PARAM_UNNORMAL (-1)
25 #define SYSLOG_ACTION_SIZE_BUFFER (10)
Klogctl(napi_env env,napi_callback_info info)26 static napi_value Klogctl(napi_env env, napi_callback_info info)
27 {
28 int len = PARAM_0;
29 char *bufp = nullptr;
30 //Test syscall encapsulation interface
31 int ret = klogctl(SYSLOG_ACTION_SIZE_BUFFER, bufp, len);
32 if (ret >= PARAM_0) {
33 ret = PARAM_0;
34 }
35 napi_value result;
36 napi_create_int32(env, ret, &result);
37 return result;
38 }
39
40 EXTERN_C_START
Init(napi_env env,napi_value exports)41 static napi_value Init(napi_env env, napi_value exports)
42 {
43 napi_property_descriptor desc[] = {
44 {"klogctl", nullptr, Klogctl, nullptr, nullptr, nullptr, napi_default, nullptr},
45 };
46 napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
47 return exports;
48 }
49 EXTERN_C_END
50
51 static napi_module demoModule = {
52 .nm_version = 1,
53 .nm_flags = 0,
54 .nm_filename = nullptr,
55 .nm_register_func = Init,
56 .nm_modname = "dirent",
57 .nm_priv = ((void *)0),
58 .reserved = {0},
59 };
60
RegisterEntryModule(void)61 extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
62