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 "napi/native_api.h"
17 #include <climits>
18 #include <fcntl.h>
19 #include <sys/ipc.h>
20 #include <unistd.h>
21
22 #define SUCCESS 1
23 #define FAIL (-1)
24 #define NOERROR 0
25 #define PARAM_0777 0777
26
Ftok(napi_env env, napi_callback_info info)27 static napi_value Ftok(napi_env env, napi_callback_info info)
28 {
29 int value = FAIL;
30 int fp = open("/data/storage/el2/base/files/Fzl.txt", O_CREAT, PARAM_0777);
31 key_t ret = ftok("/data/storage/el2/base/files/Fzl.txt", SUCCESS);
32 if (ret != FAIL) {
33 value = SUCCESS;
34 }
35 close(fp);
36 napi_value result = nullptr;
37 napi_create_int32(env, value, &result);
38 return result;
39 }
40
41 EXTERN_C_START
Init(napi_env env, napi_value exports)42 static napi_value Init(napi_env env, napi_value exports)
43 {
44 napi_property_descriptor desc[] = {
45 {"ftok", nullptr, Ftok, nullptr, nullptr, nullptr, napi_default, nullptr},
46 };
47 napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
48 return exports;
49 }
50
51 EXTERN_C_END
52
53 static napi_module demoModule = {
54 .nm_version = 1,
55 .nm_flags = 0,
56 .nm_filename = nullptr,
57 .nm_register_func = Init,
58 .nm_modname = "ipc",
59 .nm_priv = ((void *)0),
60 .reserved = {0},
61 };
62
RegisterEntryModule(void)63 extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }