#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> #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 typedef struct sigaction _Py_sighandler_t; #else typedef PyOS_sighandler_t _Py_sighandler_t; #endif // HAVE_SIGACTION #ifdef FAULTHANDLER_USER struct faulthandler_user_signal { int enabled; PyObject *file; int fd; int all_threads; int chain; _Py_sighandler_t previous; PyInterpreterState *interp; }; #endif /* FAULTHANDLER_USER */ struct _faulthandler_runtime_state { struct { int enabled; PyObject *file; int fd; int all_threads; PyInterpreterState *interp; #ifdef MS_WINDOWS void *exc_handler; #endif } fatal_error; struct { PyObject *file; int fd; PY_TIMEOUT_T timeout_us; /* timeout in microseconds */ int repeat; PyInterpreterState *interp; int exit; char *header; size_t header_len; /* The main thread always holds this lock. It is only released when faulthandler_thread() is interrupted before this thread exits, or at Python exit. */ PyThread_type_lock cancel_event; /* released by child thread when joined */ PyThread_type_lock running; } thread; #ifdef FAULTHANDLER_USER struct faulthandler_user_signal *user_signals; #endif #ifdef FAULTHANDLER_USE_ALT_STACK stack_t stack; stack_t old_stack; #endif }; #define _faulthandler_runtime_state_INIT \ { \ .fatal_error = { \ .fd = -1, \ }, \ } #ifdef __cplusplus } #endif #endif /* !Py_INTERNAL_FAULTHANDLER_H */