#ifndef RUBY_ABI_H #define RUBY_ABI_H #ifdef RUBY_ABI_VERSION /* should match the definition in config.h */ /* This number represents Ruby's ABI version. * * In development Ruby, it should be bumped every time an ABI incompatible * change is introduced. This will force other developers to rebuild extension * gems. * * The following cases are considered as ABI incompatible changes: * - Changing any data structures. * - Changing macros or inline functions causing a change in behavior. * - Deprecating or removing function declarations. * * The following cases are NOT considered as ABI incompatible changes: * - Any changes that does not involve the header files in the `include` * directory. * - Adding macros, inline functions, or function declarations. * - Backwards compatible refactors. * - Editing comments. * * In released versions of Ruby, this number is not defined since teeny * versions of Ruby should guarantee ABI compatibility. */ #define RUBY_ABI_VERSION 0 /* Windows does not support weak symbols so ruby_abi_version will not exist * in the shared library. */ #if defined(HAVE_FUNC_WEAK) && !defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) # define RUBY_DLN_CHECK_ABI #endif #endif /* RUBY_ABI_VERSION */ #ifdef RUBY_DLN_CHECK_ABI # ifdef __cplusplus extern "C" { # endif RUBY_FUNC_EXPORTED unsigned long long __attribute__((weak)) ruby_abi_version(void) { # ifdef RUBY_ABI_VERSION return RUBY_ABI_VERSION; # else return 0; # endif } # ifdef __cplusplus } # endif #endif #endif