libcxx/include/csetjmp

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_CSETJMP
#define _LIBCPP_CSETJMP

/*
    csetjmp synopsis

Macros:

    setjmp

namespace std
{

Types:

    jmp_buf

void longjmp(jmp_buf env, int val);

}  // std

*/

#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#  include <__cxx03/csetjmp>
#else
#  include <__config>

// <setjmp.h> is not provided by libc++
#  if __has_include(<setjmp.h>)
#    include <setjmp.h>
#    ifdef _LIBCPP_SETJMP_H
#      error "If libc++ starts defining <setjmp.h>, the __has_include check should move to libc++'s <setjmp.h>"
#    endif
#  endif

#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#    pragma GCC system_header
#  endif

_LIBCPP_BEGIN_NAMESPACE_STD

using ::jmp_buf _LIBCPP_USING_IF_EXISTS;
using ::longjmp _LIBCPP_USING_IF_EXISTS;

_LIBCPP_END_NAMESPACE_STD

#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)

#endif // _LIBCPP_CSETJMP