libc/src/stdlib/exit.cpp

   1 //===-- Implementation of exit --------------------------------------------===//
   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/stdlib/exit.h"
  10 #include "src/__support/OSUtil/quick_exit.h"
  11 #include "src/__support/common.h"
  12
  13 namespace LIBC_NAMESPACE {
  14
  15 namespace internal {
  16 void call_exit_callbacks();
  17 }
  18
  19 LLVM_LIBC_FUNCTION(void, exit, (int status)) {
  20   internal::call_exit_callbacks();
  21   quick_exit(status);
  22   __builtin_unreachable();
  23 }
  24
  25 } // namespace LIBC_NAMESPACE