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fa45d8aa5f
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Privoxy对node122:18003返回500，直连正常
144 lines
4.8 KiB
C++
144 lines
4.8 KiB
C++
#ifndef GREENLET_MSVC_COMPAT_HPP
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#define GREENLET_MSVC_COMPAT_HPP
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/*
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* Support for MSVC on Windows.
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*
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* Beginning with Python 3.14, some of the internal
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* include files we need are not compatible with MSVC
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* in C++ mode:
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*
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* internal\pycore_stackref.h(253): error C4576: a parenthesized type
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* followed by an initializer list is a non-standard explicit type conversion syntax
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*
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* This file is included from ``internal/pycore_interpframe.h``, which
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* we need for the ``_PyFrame_IsIncomplete`` API.
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*
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* Unfortunately, that API is a ``static inline`` function, as are a
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* bunch of the functions it calls. The only solution seems to be to
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* copy those definitions and the supporting inline functions here.
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*
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* Now, this makes us VERY fragile to changes in those functions. Because
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* they're internal and static, the CPython devs might feel free to change
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* them in even minor versions, meaning that we could runtime link and load,
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* but still crash. We have that problem on all platforms though. It's just worse
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* here because we have to keep copying the updated definitions.
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*/
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#include <Python.h>
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#include "greenlet_cpython_compat.hpp"
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// This file is only included on 3.14+
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extern "C" {
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// pycore_code.h ----------------
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#define _PyCode_CODE(CO) _Py_RVALUE((_Py_CODEUNIT *)(CO)->co_code_adaptive)
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#ifdef Py_GIL_DISABLED
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static inline _PyCodeArray *
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_PyCode_GetTLBCArray(PyCodeObject *co)
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{
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return _Py_STATIC_CAST(_PyCodeArray *,
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_Py_atomic_load_ptr_acquire(&co->co_tlbc));
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}
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#endif
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// End pycore_code.h ----------
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// pycore_interpframe.h ----------
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#if !defined(Py_GIL_DISABLED) && defined(Py_STACKREF_DEBUG)
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#define Py_TAG_BITS 0
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#else
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#define Py_TAG_BITS ((uintptr_t)1)
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#define Py_TAG_DEFERRED (1)
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#define Py_INT_TAG 3
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#endif
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static const _PyStackRef PyStackRef_NULL = { .bits = Py_TAG_DEFERRED};
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#define PyStackRef_IsNull(stackref) ((stackref).bits == PyStackRef_NULL.bits)
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static inline bool
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PyStackRef_IsTaggedInt(_PyStackRef i)
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{
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return (i.bits & Py_INT_TAG) == Py_INT_TAG;
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}
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static inline bool
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PyStackRef_IsNullOrInt(_PyStackRef stackref)
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{
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return PyStackRef_IsNull(stackref) || PyStackRef_IsTaggedInt(stackref);
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}
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#define _Py_VISIT_STACKREF(ref) \
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do { \
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if (!PyStackRef_IsNullOrInt(ref)) { \
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int vret = _PyGC_VisitStackRef(&(ref), visit, arg); \
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if (vret) \
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return vret; \
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} \
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} while (0)
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static inline PyObject *
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PyStackRef_AsPyObjectBorrow(_PyStackRef stackref)
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{
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PyObject *cleared = ((PyObject *)((stackref).bits & (~Py_TAG_BITS)));
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return cleared;
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}
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#define Py_TAG_REFCNT 1
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#define BITS_TO_PTR(ref) ((PyObject *)((ref).bits))
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#define PyStackRef_RefcountOnObject(ref) (((ref).bits & Py_TAG_REFCNT) == 0)
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#define PyStackRef_CLOSE(REF) \
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do { \
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_PyStackRef _close_tmp = (REF); \
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if (PyStackRef_RefcountOnObject(_close_tmp)) { \
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Py_DECREF(BITS_TO_PTR(_close_tmp)); \
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} \
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} while (0)
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#define PyStackRef_CLEAR(REF) \
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do { \
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_PyStackRef* _clear_ptr = &(REF); \
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_PyStackRef _clear_old = (*_clear_ptr); \
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*_clear_ptr = PyStackRef_NULL; \
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PyStackRef_CLOSE(_clear_old); \
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} while (0)
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static inline PyCodeObject *_PyFrame_GetCode(_PyInterpreterFrame *f) {
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assert(!PyStackRef_IsNullOrInt(f->f_executable));
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PyObject *executable = PyStackRef_AsPyObjectBorrow(f->f_executable);
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assert(PyCode_Check(executable));
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return (PyCodeObject *)executable;
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}
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static inline _Py_CODEUNIT *
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_PyFrame_GetBytecode(_PyInterpreterFrame *f)
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{
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#ifdef Py_GIL_DISABLED
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PyCodeObject *co = _PyFrame_GetCode(f);
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_PyCodeArray *tlbc = _PyCode_GetTLBCArray(co);
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assert(f->tlbc_index >= 0 && f->tlbc_index < tlbc->size);
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return (_Py_CODEUNIT *)tlbc->entries[f->tlbc_index];
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#else
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return _PyCode_CODE(_PyFrame_GetCode(f));
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#endif
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}
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static inline bool //_Py_NO_SANITIZE_THREAD
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_PyFrame_IsIncomplete(_PyInterpreterFrame *frame)
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{
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if (frame->owner >= FRAME_OWNED_BY_INTERPRETER) {
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return true;
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}
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return frame->owner != FRAME_OWNED_BY_GENERATOR &&
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frame->instr_ptr < _PyFrame_GetBytecode(frame) +
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_PyFrame_GetCode(frame)->_co_firsttraceable;
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}
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// pycore_interpframe.h ----------
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}
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#endif // GREENLET_MSVC_COMPAT_HPP
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