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#include <__assert> // all public C++ headers provide the assertion handler
34#include <__config>
35
36// <setjmp.h> is not provided by libc++
37#if __has_include(<setjmp.h>)
38#  include <setjmp.h>
39#  ifdef _LIBCPP_SETJMP_H
40#    error "If libc++ starts defining <setjmp.h>, the __has_include check should move to libc++'s <setjmp.h>"
41#  endif
42#endif
43
44#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
45#  pragma GCC system_header
46#endif
47
48_LIBCPP_BEGIN_NAMESPACE_STD
49
50using ::jmp_buf _LIBCPP_USING_IF_EXISTS;
51using ::longjmp _LIBCPP_USING_IF_EXISTS;
52
53_LIBCPP_END_NAMESPACE_STD
54
55#endif // _LIBCPP_CSETJMP
56