1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_CSETJMP
11#define _LIBCPP_CSETJMP
12
13/*
14 csetjmp synopsis
15
16Macros:
17
18 setjmp
19
20namespace std
21{
22
23Types:
24
25 jmp_buf
26
27void longjmp(jmp_buf env, int val);
28
29} // std
30
31*/
32
33#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
34# include <__cxx03/csetjmp>
35#else
36# include <__config>
37
38// <setjmp.h> is not provided by libc++
39# if __has_include(<setjmp.h>)
40# include <setjmp.h>
41# ifdef _LIBCPP_SETJMP_H
42# error "If libc++ starts defining <setjmp.h>, the __has_include check should move to libc++'s <setjmp.h>"
43# endif
44# endif
45
46# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
47# pragma GCC system_header
48# endif
49
50_LIBCPP_BEGIN_NAMESPACE_STD
51
52using ::jmp_buf _LIBCPP_USING_IF_EXISTS;
53using ::longjmp _LIBCPP_USING_IF_EXISTS;
54
55_LIBCPP_END_NAMESPACE_STD
56
57#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
58
59#endif // _LIBCPP_CSETJMP