mirror of
https://github.com/python/cpython.git
synced 2025-11-04 07:31:38 +00:00
c7b0feca25
This reverts commit 8b795ab554.
It changed the PyThreadState structure size, breaking the ABI in 3.9.3.
124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
#ifndef Py_INTERNAL_CEVAL_H
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#define Py_INTERNAL_CEVAL_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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/* Forward declarations */
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struct pyruntimestate;
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struct _ceval_runtime_state;
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#include "pycore_interp.h" /* PyInterpreterState.eval_frame */
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extern void _Py_FinishPendingCalls(PyThreadState *tstate);
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extern void _PyEval_InitRuntimeState(struct _ceval_runtime_state *);
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extern int _PyEval_InitState(struct _ceval_state *ceval);
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extern void _PyEval_FiniState(struct _ceval_state *ceval);
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PyAPI_FUNC(void) _PyEval_SignalReceived(PyInterpreterState *interp);
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PyAPI_FUNC(int) _PyEval_AddPendingCall(
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PyInterpreterState *interp,
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int (*func)(void *),
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void *arg);
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PyAPI_FUNC(void) _PyEval_SignalAsyncExc(PyThreadState *tstate);
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#ifdef HAVE_FORK
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extern void _PyEval_ReInitThreads(struct pyruntimestate *runtime);
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#endif
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PyAPI_FUNC(void) _PyEval_SetCoroutineOriginTrackingDepth(
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PyThreadState *tstate,
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int new_depth);
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/* Private function */
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void _PyEval_Fini(void);
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static inline PyObject*
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_PyEval_EvalFrame(PyThreadState *tstate, PyFrameObject *f, int throwflag)
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{
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return tstate->interp->eval_frame(tstate, f, throwflag);
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}
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extern PyObject *_PyEval_EvalCode(
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PyThreadState *tstate,
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PyObject *_co, PyObject *globals, PyObject *locals,
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PyObject *const *args, Py_ssize_t argcount,
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PyObject *const *kwnames, PyObject *const *kwargs,
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Py_ssize_t kwcount, int kwstep,
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PyObject *const *defs, Py_ssize_t defcount,
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PyObject *kwdefs, PyObject *closure,
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PyObject *name, PyObject *qualname);
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extern int _PyEval_ThreadsInitialized(struct pyruntimestate *runtime);
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extern PyStatus _PyEval_InitGIL(PyThreadState *tstate);
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extern void _PyEval_FiniGIL(PyThreadState *tstate);
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extern void _PyEval_ReleaseLock(PyThreadState *tstate);
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/* --- _Py_EnterRecursiveCall() ----------------------------------------- */
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PyAPI_DATA(int) _Py_CheckRecursionLimit;
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#ifdef USE_STACKCHECK
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/* With USE_STACKCHECK macro defined, trigger stack checks in
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_Py_CheckRecursiveCall() on every 64th call to Py_EnterRecursiveCall. */
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static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
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return (++tstate->recursion_depth > tstate->interp->ceval.recursion_limit
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|| ++tstate->stackcheck_counter > 64);
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}
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#else
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static inline int _Py_MakeRecCheck(PyThreadState *tstate) {
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return (++tstate->recursion_depth > tstate->interp->ceval.recursion_limit);
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}
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#endif
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PyAPI_FUNC(int) _Py_CheckRecursiveCall(
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PyThreadState *tstate,
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const char *where);
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static inline int _Py_EnterRecursiveCall(PyThreadState *tstate,
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const char *where) {
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return (_Py_MakeRecCheck(tstate) && _Py_CheckRecursiveCall(tstate, where));
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}
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static inline int _Py_EnterRecursiveCall_inline(const char *where) {
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PyThreadState *tstate = PyThreadState_GET();
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return _Py_EnterRecursiveCall(tstate, where);
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}
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#define Py_EnterRecursiveCall(where) _Py_EnterRecursiveCall_inline(where)
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/* Compute the "lower-water mark" for a recursion limit. When
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* Py_LeaveRecursiveCall() is called with a recursion depth below this mark,
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* the overflowed flag is reset to 0. */
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static inline int _Py_RecursionLimitLowerWaterMark(int limit) {
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if (limit > 200) {
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return (limit - 50);
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}
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else {
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return (3 * (limit >> 2));
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}
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}
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static inline void _Py_LeaveRecursiveCall(PyThreadState *tstate) {
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tstate->recursion_depth--;
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int limit = tstate->interp->ceval.recursion_limit;
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if (tstate->recursion_depth < _Py_RecursionLimitLowerWaterMark(limit)) {
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tstate->overflowed = 0;
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}
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}
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static inline void _Py_LeaveRecursiveCall_inline(void) {
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PyThreadState *tstate = PyThreadState_GET();
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_Py_LeaveRecursiveCall(tstate);
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}
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#define Py_LeaveRecursiveCall() _Py_LeaveRecursiveCall_inline()
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_CEVAL_H */
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