| /* |
| * Copyright (C) 2017 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 <errno.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <sys/auxv.h> |
| |
| #include "libs_utils.h" |
| |
| static ssize_t g_result; |
| static int g_errno; |
| |
| static void preinit_ctor() { |
| // Can we make a system call? |
| g_result = write(-1, "", 1); |
| g_errno = errno; |
| } |
| |
| __attribute__((section(".preinit_array"), used)) void (*preinit_ctor_p)(void) = preinit_ctor; |
| |
| int main() { |
| // Did we get the expected failure? |
| CHECK(g_result == -1); |
| CHECK(g_errno == EBADF); |
| return 0; |
| } |