csetjmp 1.3 KB

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  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. #ifndef _LIBCPP_CSETJMP
  10. #define _LIBCPP_CSETJMP
  11. /*
  12. csetjmp synopsis
  13. Macros:
  14. setjmp
  15. namespace std
  16. {
  17. Types:
  18. jmp_buf
  19. void longjmp(jmp_buf env, int val);
  20. } // std
  21. */
  22. #include <__assert> // all public C++ headers provide the assertion handler
  23. #include <__config>
  24. #include <setjmp.h>
  25. #ifndef _LIBCPP_SETJMP_H
  26. # error <csetjmp> tried including <setjmp.h> but didn't find libc++'s <setjmp.h> header. \
  27. This usually means that your header search paths are not configured properly. \
  28. The header search paths should contain the C++ Standard Library headers before \
  29. any C Standard Library, and you are probably using compiler flags that make that \
  30. not be the case.
  31. #endif
  32. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  33. # pragma GCC system_header
  34. #endif
  35. _LIBCPP_BEGIN_NAMESPACE_STD
  36. using ::jmp_buf _LIBCPP_USING_IF_EXISTS;
  37. using ::longjmp _LIBCPP_USING_IF_EXISTS;
  38. _LIBCPP_END_NAMESPACE_STD
  39. #endif // _LIBCPP_CSETJMP