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#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
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 */
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