| #ifndef Py_INTERNAL_CEVAL_H |
| #define Py_INTERNAL_CEVAL_H |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef Py_BUILD_CORE |
| # error "this header requires Py_BUILD_CORE define" |
| #endif |
| |
| /* Forward declarations */ |
| struct pyruntimestate; |
| struct _ceval_runtime_state; |
| |
| #include "pycore_interp.h" /* PyInterpreterState.eval_frame */ |
| |
| extern void _Py_FinishPendingCalls(PyThreadState *tstate); |
| extern void _PyEval_InitRuntimeState(struct _ceval_runtime_state *); |
| extern int _PyEval_InitState(struct _ceval_state *ceval); |
| extern void _PyEval_FiniState(struct _ceval_state *ceval); |
| PyAPI_FUNC(void) _PyEval_SignalReceived(PyInterpreterState *interp); |
| PyAPI_FUNC(int) _PyEval_AddPendingCall( |
| PyInterpreterState *interp, |
| int (*func)(void *), |
| void *arg); |
| PyAPI_FUNC(void) _PyEval_SignalAsyncExc(PyThreadState *tstate); |
| #ifdef HAVE_FORK |
| extern void _PyEval_ReInitThreads(struct pyruntimestate *runtime); |
| #endif |
| PyAPI_FUNC(void) _PyEval_SetCoroutineOriginTrackingDepth( |
| PyThreadState *tstate, |
| int new_depth); |
| |
| /* Private function */ |
| void _PyEval_Fini(void); |
| |
| static inline PyObject* |
| _PyEval_EvalFrame(PyThreadState *tstate, PyFrameObject *f, int throwflag) |
| { |
| return tstate->interp->eval_frame(tstate, f, throwflag); |
| } |
| |
| extern PyObject *_PyEval_EvalCode( |
| PyThreadState *tstate, |
| PyObject *_co, PyObject *globals, PyObject *locals, |
| PyObject *const *args, Py_ssize_t argcount, |
| PyObject *const *kwnames, PyObject *const *kwargs, |
| Py_ssize_t kwcount, int kwstep, |
| PyObject *const *defs, Py_ssize_t defcount, |
| PyObject *kwdefs, PyObject *closure, |
| PyObject *name, PyObject *qualname); |
| |
| extern int _PyEval_ThreadsInitialized(struct pyruntimestate *runtime); |
| extern PyStatus _PyEval_InitGIL(PyThreadState *tstate); |
| extern void _PyEval_FiniGIL(PyThreadState *tstate); |
| |
| extern void _PyEval_ReleaseLock(PyThreadState *tstate); |
| |
| |
| /* --- _Py_EnterRecursiveCall() ----------------------------------------- */ |
| |
| PyAPI_DATA(int) _Py_CheckRecursionLimit; |
| |
| #ifdef USE_STACKCHECK |
| /* With USE_STACKCHECK macro defined, trigger stack checks in |
| _Py_CheckRecursiveCall() on every 64th call to Py_EnterRecursiveCall. */ |
| static inline int _Py_MakeRecCheck(PyThreadState *tstate) { |
| return (++tstate->recursion_depth > tstate->interp->ceval.recursion_limit |
| || ++tstate->stackcheck_counter > 64); |
| } |
| #else |
| static inline int _Py_MakeRecCheck(PyThreadState *tstate) { |
| return (++tstate->recursion_depth > tstate->interp->ceval.recursion_limit); |
| } |
| #endif |
| |
| PyAPI_FUNC(int) _Py_CheckRecursiveCall( |
| PyThreadState *tstate, |
| const char *where); |
| |
| static inline int _Py_EnterRecursiveCall(PyThreadState *tstate, |
| const char *where) { |
| return (_Py_MakeRecCheck(tstate) && _Py_CheckRecursiveCall(tstate, where)); |
| } |
| |
| static inline int _Py_EnterRecursiveCall_inline(const char *where) { |
| PyThreadState *tstate = PyThreadState_GET(); |
| return _Py_EnterRecursiveCall(tstate, where); |
| } |
| |
| #define Py_EnterRecursiveCall(where) _Py_EnterRecursiveCall_inline(where) |
| |
| /* Compute the "lower-water mark" for a recursion limit. When |
| * Py_LeaveRecursiveCall() is called with a recursion depth below this mark, |
| * the overflowed flag is reset to 0. */ |
| static inline int _Py_RecursionLimitLowerWaterMark(int limit) { |
| if (limit > 200) { |
| return (limit - 50); |
| } |
| else { |
| return (3 * (limit >> 2)); |
| } |
| } |
| |
| static inline void _Py_LeaveRecursiveCall(PyThreadState *tstate) { |
| tstate->recursion_depth--; |
| int limit = tstate->interp->ceval.recursion_limit; |
| if (tstate->recursion_depth < _Py_RecursionLimitLowerWaterMark(limit)) { |
| tstate->overflowed = 0; |
| } |
| } |
| |
| static inline void _Py_LeaveRecursiveCall_inline(void) { |
| PyThreadState *tstate = PyThreadState_GET(); |
| _Py_LeaveRecursiveCall(tstate); |
| } |
| |
| #define Py_LeaveRecursiveCall() _Py_LeaveRecursiveCall_inline() |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* !Py_INTERNAL_CEVAL_H */ |