| //===-- Implementation of abort -------------------------------------------===// |
| // |
| // 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 "src/__support/common.h" |
| #include "src/signal/raise.h" |
| #include "src/stdlib/_Exit.h" |
| |
| #include "src/stdlib/abort.h" |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(void, abort, ()) { |
| // TODO: When sigprocmask and sigaction land: |
| // Unblock SIGABRT, raise it, if it was ignored or the handler returned, |
| // change its action to SIG_DFL, raise it again. |
| // TODO: When C11 mutexes land: |
| // Acquire recursive mutex (in case the current signal handler for SIGABRT |
| // itself calls abort we don't want to deadlock on the same thread trying |
| // to acquire it's own mutex.) |
| __llvm_libc::raise(SIGABRT); |
| __llvm_libc::raise(SIGKILL); |
| __llvm_libc::_Exit(127); |
| } |
| |
| } // namespace __llvm_libc |
