noreturn.h

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#ifndef RBIMPL_ATTR_NORETURN_H                       /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_ATTR_NORETURN_H
#include "ruby/internal/has/attribute.h"
#include "ruby/internal/has/cpp_attribute.h"
#include "ruby/internal/has/declspec_attribute.h"
 
#if RBIMPL_HAS_DECLSPEC_ATTRIBUTE(noreturn)
# define RBIMPL_ATTR_NORETURN() __declspec(noreturn)
 
#elif RBIMPL_HAS_ATTRIBUTE(noreturn)
# define RBIMPL_ATTR_NORETURN() __attribute__((__noreturn__))
 
#elif RBIMPL_HAS_CPP_ATTRIBUTE(noreturn)
# define RBIMPL_ATTR_NORETURN() [[noreturn]]
 
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112)
# define RBIMPL_ATTR_NORETURN() _Noreturn
 
#elif defined(_Noreturn)
# /* glibc <sys/cdefs.h> has this macro. */
# define RBIMPL_ATTR_NORETURN() _Noreturn
 
#else
# define RBIMPL_ATTR_NORETURN() /* void */
#endif
 
#endif /* RBIMPL_ATTR_NORETURN_H */