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This falls into the category of keep-allocation-and-initialization separate. It also allows us to use _PyEval_InitState() safely in functions that return void. https://bugs.python.org/issue46008
121 lines
3.7 KiB
C
121 lines
3.7 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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#include "pycore_pystate.h" // _PyThreadState_GET()
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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 void _PyEval_InitState(struct _ceval_state *, PyThread_type_lock);
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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(PyInterpreterState *interp);
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#ifdef HAVE_FORK
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extern PyStatus _PyEval_ReInitThreads(PyThreadState *tstate);
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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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void _PyEval_Fini(void);
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extern PyObject* _PyEval_GetBuiltins(PyThreadState *tstate);
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extern PyObject *_PyEval_BuiltinsFromGlobals(
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PyThreadState *tstate,
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PyObject *globals);
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static inline PyObject*
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_PyEval_EvalFrame(PyThreadState *tstate, struct _interpreter_frame *frame, int throwflag)
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{
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if (tstate->interp->eval_frame == NULL) {
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return _PyEval_EvalFrameDefault(tstate, frame, throwflag);
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}
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return tstate->interp->eval_frame(tstate, frame, throwflag);
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}
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extern PyObject *
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_PyEval_Vector(PyThreadState *tstate,
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PyFunctionObject *func, PyObject *locals,
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PyObject* const* args, size_t argcount,
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PyObject *kwnames);
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#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
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extern int _PyEval_ThreadsInitialized(PyInterpreterState *interp);
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#else
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extern int _PyEval_ThreadsInitialized(struct pyruntimestate *runtime);
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#endif
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extern PyStatus _PyEval_InitGIL(PyThreadState *tstate);
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extern void _PyEval_FiniGIL(PyInterpreterState *interp);
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extern void _PyEval_ReleaseLock(PyThreadState *tstate);
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extern void _PyEval_DeactivateOpCache(void);
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/* --- _Py_EnterRecursiveCall() ----------------------------------------- */
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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_remaining-- <= 0
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|| (tstate->recursion_remaining & 63) == 0);
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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_remaining-- <= 0;
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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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static inline void _Py_LeaveRecursiveCall(PyThreadState *tstate) {
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tstate->recursion_remaining++;
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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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struct _interpreter_frame *_PyEval_GetFrame(void);
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PyObject *_Py_MakeCoro(PyFunctionObject *func);
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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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