| 1 | //===-- Implementation of abort -------------------------------------------===// |
|---|
| 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 "src/__support/common.h" |
|---|
| 10 | #include "src/signal/raise.h" |
|---|
| 11 | #include "src/stdlib/_Exit.h" |
|---|
| 12 | |
|---|
| 13 | #include "src/stdlib/abort.h" |
|---|
| 14 | |
|---|
| 15 | namespace LIBC_NAMESPACE { |
|---|
| 16 | |
|---|
| 17 | LLVM_LIBC_FUNCTION(void, abort, ()) { |
|---|
| 18 | // TODO: When sigprocmask and sigaction land: |
|---|
| 19 | // Unblock SIGABRT, raise it, if it was ignored or the handler returned, |
|---|
| 20 | // change its action to SIG_DFL, raise it again. |
|---|
| 21 | // TODO: When C11 mutexes land: |
|---|
| 22 | // Acquire recursive mutex (in case the current signal handler for SIGABRT |
|---|
| 23 | // itself calls abort we don't want to deadlock on the same thread trying |
|---|
| 24 | // to acquire it's own mutex.) |
|---|
| 25 | LIBC_NAMESPACE::raise(SIGABRT); |
|---|
| 26 | LIBC_NAMESPACE::raise(SIGKILL); |
|---|
| 27 | LIBC_NAMESPACE::_Exit(status: 127); |
|---|
| 28 | } |
|---|
| 29 | |
|---|
| 30 | } // namespace LIBC_NAMESPACE |
|---|
| 31 | |
|---|
