cpython/Include/internal/pycore_faulthandler.h

#ifndef Py_INTERNAL_FAULTHANDLER_H
#define Py_INTERNAL_FAULTHANDLER_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

#ifdef HAVE_SIGACTION
#  include <signal.h>             // sigaction
#endif


#ifndef MS_WINDOWS
   /* register() is useless on Windows, because only SIGSEGV, SIGABRT and
      SIGILL can be handled by the process, and these signals can only be used
      with enable(), not using register() */
#define FAULTHANDLER_USER
#endif


#ifdef HAVE_SIGACTION
/* Using an alternative stack requires sigaltstack()
   and sigaction() SA_ONSTACK */
#  ifdef HAVE_SIGALTSTACK
#define FAULTHANDLER_USE_ALT_STACK
#  endif
_Py_sighandler_t;
#else
typedef PyOS_sighandler_t _Py_sighandler_t;
#endif  // HAVE_SIGACTION


#ifdef FAULTHANDLER_USER
struct faulthandler_user_signal { … };
#endif /* FAULTHANDLER_USER */


struct _faulthandler_runtime_state { … };

#define _faulthandler_runtime_state_INIT …


#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_FAULTHANDLER_H */