1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include <__config>
10#include <__log_hardening_failure>
11#include <cstdio>
12
13#ifdef __BIONIC__
14# include <syslog.h>
15#endif // __BIONIC__
16
17_LIBCPP_BEGIN_NAMESPACE_STD
18
19void __log_hardening_failure(const char* message) noexcept {
20 // Always log the message to `stderr` in case the platform-specific system calls fail.
21 std::fputs(s: message, stderr);
22
23#if defined(__BIONIC__)
24 // Show error in logcat. The latter two arguments are ignored on Android.
25 openlog("libc++", 0, 0);
26 syslog(LOG_CRIT, "%s", message);
27 closelog();
28#endif
29}
30
31_LIBCPP_END_NAMESPACE_STD
32