diff options
Diffstat (limited to 'libcxx/src')
-rw-r--r-- | libcxx/src/CMakeLists.txt | 1 | ||||
-rw-r--r-- | libcxx/src/experimental/log_hardening_failure.cpp | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/libcxx/src/CMakeLists.txt b/libcxx/src/CMakeLists.txt index 97fe57a..f59fe0e 100644 --- a/libcxx/src/CMakeLists.txt +++ b/libcxx/src/CMakeLists.txt @@ -309,6 +309,7 @@ add_custom_target(cxx DEPENDS ${LIBCXX_BUILD_TARGETS}) # Build the experimental static library set(LIBCXX_EXPERIMENTAL_SOURCES experimental/keep.cpp + experimental/log_hardening_failure.cpp ) if (LIBCXX_PSTL_BACKEND STREQUAL "libdispatch") diff --git a/libcxx/src/experimental/log_hardening_failure.cpp b/libcxx/src/experimental/log_hardening_failure.cpp new file mode 100644 index 0000000..f836c15 --- /dev/null +++ b/libcxx/src/experimental/log_hardening_failure.cpp @@ -0,0 +1,31 @@ +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include <__config> +#include <__log_hardening_failure> +#include <cstdio> + +#ifdef __BIONIC__ +# include <syslog.h> +#endif // __BIONIC__ + +_LIBCPP_BEGIN_NAMESPACE_STD + +void __log_hardening_failure(const char* message) noexcept { + // Always log the message to `stderr` in case the platform-specific system calls fail. + std::fputs(message, stderr); + +#if defined(__BIONIC__) + // Show error in logcat. The latter two arguments are ignored on Android. + openlog("libc++", 0, 0); + syslog(LOG_CRIT, "%s", message); + closelog(); +#endif +} + +_LIBCPP_END_NAMESPACE_STD |