mirror of https://github.com/python/cpython
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
#ifndef Py_INTERNAL_FAULTHANDLER_H
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#define Py_INTERNAL_FAULTHANDLER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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#ifdef HAVE_SIGACTION
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# include <signal.h> // sigaction
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#endif
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#ifndef MS_WINDOWS
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/* register() is useless on Windows, because only SIGSEGV, SIGABRT and
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SIGILL can be handled by the process, and these signals can only be used
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with enable(), not using register() */
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# define FAULTHANDLER_USER
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#endif
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#ifdef HAVE_SIGACTION
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/* Using an alternative stack requires sigaltstack()
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and sigaction() SA_ONSTACK */
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# ifdef HAVE_SIGALTSTACK
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# define FAULTHANDLER_USE_ALT_STACK
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# endif
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typedef struct sigaction _Py_sighandler_t;
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#else
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typedef PyOS_sighandler_t _Py_sighandler_t;
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#endif // HAVE_SIGACTION
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#ifdef FAULTHANDLER_USER
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struct faulthandler_user_signal {
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int enabled;
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PyObject *file;
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int fd;
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int all_threads;
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int chain;
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_Py_sighandler_t previous;
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PyInterpreterState *interp;
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};
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#endif /* FAULTHANDLER_USER */
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struct _faulthandler_runtime_state {
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struct {
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int enabled;
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PyObject *file;
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int fd;
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int all_threads;
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PyInterpreterState *interp;
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#ifdef MS_WINDOWS
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void *exc_handler;
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#endif
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} fatal_error;
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struct {
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PyObject *file;
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int fd;
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PY_TIMEOUT_T timeout_us; /* timeout in microseconds */
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int repeat;
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PyInterpreterState *interp;
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int exit;
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char *header;
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size_t header_len;
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/* The main thread always holds this lock. It is only released when
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faulthandler_thread() is interrupted before this thread exits, or at
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Python exit. */
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PyThread_type_lock cancel_event;
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/* released by child thread when joined */
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PyThread_type_lock running;
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} thread;
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#ifdef FAULTHANDLER_USER
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struct faulthandler_user_signal *user_signals;
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#endif
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#ifdef FAULTHANDLER_USE_ALT_STACK
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stack_t stack;
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stack_t old_stack;
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#endif
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};
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#define _faulthandler_runtime_state_INIT \
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{ \
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.fatal_error = { \
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.fd = -1, \
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}, \
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_FAULTHANDLER_H */
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