text: #ifndef PYPY_FAULTHANDLER_H
  #define PYPY_FAULTHANDLER_H
  
  #include "src/precommondefs.h"
  #include <stdint.h>
  
  
  typedef void (*pypy_faulthandler_cb_t)(int fd, intptr_t *array_p,
                                         intptr_t length);
  
  RPY_EXTERN char *pypy_faulthandler_setup(pypy_faulthandler_cb_t dump_callback);
  RPY_EXTERN void pypy_faulthandler_teardown(void);
  
  RPY_EXTERN char *pypy_faulthandler_enable(int fd, int all_threads);
  RPY_EXTERN void pypy_faulthandler_disable(void);
  RPY_EXTERN int pypy_faulthandler_is_enabled(void);
  
  RPY_EXTERN void pypy_faulthandler_write(int fd, const char *str);
  RPY_EXTERN void pypy_faulthandler_write_uint(int fd, unsigned long value,
                                               int min_digits);
  
  RPY_EXTERN void pypy_faulthandler_dump_traceback(int fd, int all_threads,
                                                   void *ucontext);
  
  RPY_EXTERN char *pypy_faulthandler_dump_traceback_later(
      long long microseconds, int repeat, int fd, int exit);
  RPY_EXTERN void pypy_faulthandler_cancel_dump_traceback_later(void);
  
  RPY_EXTERN int pypy_faulthandler_check_signum(long signum);
  RPY_EXTERN char *pypy_faulthandler_register(int, int, int, int);
  RPY_EXTERN int pypy_faulthandler_unregister(int signum);
  
  
  RPY_EXTERN int pypy_faulthandler_read_null(void);
  RPY_EXTERN void pypy_faulthandler_sigsegv(void);
  RPY_EXTERN int pypy_faulthandler_sigfpe(void);
  RPY_EXTERN void pypy_faulthandler_sigabrt(void);
  RPY_EXTERN double pypy_faulthandler_stackoverflow(double);
  
  
  #endif  /* PYPY_FAULTHANDLER_H */
  