mirror of
https://github.com/python/cpython.git
synced 2025-11-04 03:44:55 +00:00
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
#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 */
|