| /* |
| * Copyright 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include <unistd.h> |
| |
| #define LOG_TAG "VtsSyscall" |
| #include <utils/Log.h> |
| |
| #include <cerrno> |
| #include <cstdlib> |
| #include <iostream> |
| |
| int main(int argc, char **argv) { |
| if (argc != 2) { |
| ALOGE("syscall_exists: invalid argument"); |
| return -EINVAL; |
| } |
| int syscall_id = atoi(argv[1]); |
| ALOGI("testing syscall [%d]", syscall_id); |
| int ret = syscall(syscall_id); |
| bool exists = !(ret == -1 && errno == ENOSYS); |
| ALOGI("syscall [%d] is %s", syscall_id, exists ? "enabled" : "disabled"); |
| std::cout << (exists ? 'y' : 'n'); |
| return 0; |
| } |