|  | // -*- 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 |