blob: e21e74f7b9aa6532dd20905d485aee6c79891b1c [file] [log] [blame]
//===-- 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 {
void LLVM_LIBC_ENTRYPOINT(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