libc/src/stdlib/quick_exit.cpp

   1 //===-- Implementation of quick_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/quick_exit.h"
  10 #include "src/__support/OSUtil/exit.h"
  11 #include "src/__support/common.h"
  12 #include "src/__support/macros/config.h"
  13 #include "src/stdlib/exit_handler.h"
  14
  15 // extern "C" void __cxa_finalize(void *);
  16 namespace LIBC_NAMESPACE_DECL {
  17
  18 extern ExitCallbackList at_quick_exit_callbacks;
  19 [[gnu::weak]] extern void teardown_main_tls();
  20
  21 [[noreturn]] LLVM_LIBC_FUNCTION(void, quick_exit, (int status)) {
  22   call_exit_callbacks(at_quick_exit_callbacks);
  23   if (teardown_main_tls)
  24     teardown_main_tls();
  25   internal::exit(status);
  26 }
  27
  28 } // namespace LIBC_NAMESPACE_DECL