mirror of
https://github.com/python/cpython
synced 2024-11-02 10:13:47 +00:00
caa279d6fd
This was added for bpo-40514 (gh-84694) to test out a per-interpreter GIL. However, it has since proven unnecessary to keep the experiment in the repo. (It can be done as a branch in a fork like normal.) So here we are removing: * the configure option * the macro * the code enabled by the macro
138 lines
4.3 KiB
C
138 lines
4.3 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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/* WASI has limited call stack. wasmtime 0.36 can handle sufficient amount of
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C stack frames for little more than 750 recursions. */
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#ifndef Py_DEFAULT_RECURSION_LIMIT
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# ifdef __wasi__
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# define Py_DEFAULT_RECURSION_LIMIT 750
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# else
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# define Py_DEFAULT_RECURSION_LIMIT 1000
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# endif
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#endif
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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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// Used by sys.call_tracing()
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extern PyObject* _PyEval_CallTracing(PyObject *func, PyObject *args);
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// Used by sys.get_asyncgen_hooks()
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extern PyObject* _PyEval_GetAsyncGenFirstiter(void);
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extern PyObject* _PyEval_GetAsyncGenFinalizer(void);
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// Used by sys.set_asyncgen_hooks()
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extern int _PyEval_SetAsyncGenFirstiter(PyObject *);
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extern int _PyEval_SetAsyncGenFinalizer(PyObject *);
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// Used by sys.get_coroutine_origin_tracking_depth()
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// and sys.set_coroutine_origin_tracking_depth()
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extern int _PyEval_GetCoroutineOriginTrackingDepth(void);
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extern int _PyEval_SetCoroutineOriginTrackingDepth(int depth);
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extern 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 _PyInterpreterFrame *frame, int throwflag)
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{
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EVAL_CALL_STAT_INC(EVAL_CALL_TOTAL);
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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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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(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_EnterRecursiveCallTstate(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(const char *where) {
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PyThreadState *tstate = _PyThreadState_GET();
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return _Py_EnterRecursiveCallTstate(tstate, where);
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}
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static inline void _Py_LeaveRecursiveCallTstate(PyThreadState *tstate) {
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tstate->recursion_remaining++;
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}
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static inline void _Py_LeaveRecursiveCall(void) {
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PyThreadState *tstate = _PyThreadState_GET();
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_Py_LeaveRecursiveCallTstate(tstate);
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}
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extern struct _PyInterpreterFrame* _PyEval_GetFrame(void);
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extern 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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