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files >> //proc/thread-self/root/proc/self/root/opt/alt/python39/include/python3.9/internal/pycore_pystate.h
#ifndef Py_INTERNAL_PYSTATE_H #define Py_INTERNAL_PYSTATE_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_BUILD_CORE # error "this header requires Py_BUILD_CORE define" #endif #include "pycore_runtime.h" /* PyRuntimeState */ /* Check if the current thread is the main thread. Use _Py_IsMainInterpreter() to check if it's the main interpreter. */ static inline int _Py_IsMainThread(void) { unsigned long thread = PyThread_get_thread_ident(); return (thread == _PyRuntime.main_thread); } static inline int _Py_IsMainInterpreter(PyThreadState* tstate) { /* Use directly _PyRuntime rather than tstate->interp->runtime, since this function is used in performance critical code path (ceval) */ return (tstate->interp == _PyRuntime.interpreters.main); } /* Only handle signals on the main thread of the main interpreter. */ static inline int _Py_ThreadCanHandleSignals(PyInterpreterState *interp) { return (_Py_IsMainThread() && interp == _PyRuntime.interpreters.main); } /* Only execute pending calls on the main thread. */ static inline int _Py_ThreadCanHandlePendingCalls(void) { return _Py_IsMainThread(); } /* Variable and macro for in-line access to current thread and interpreter state */ static inline PyThreadState* _PyRuntimeState_GetThreadState(_PyRuntimeState *runtime) { return (PyThreadState*)_Py_atomic_load_relaxed(&runtime->gilstate.tstate_current); } /* Get the current Python thread state. Efficient macro reading directly the 'gilstate.tstate_current' atomic variable. The macro is unsafe: it does not check for error and it can return NULL. The caller must hold the GIL. See also PyThreadState_Get() and PyThreadState_GET(). */ static inline PyThreadState* _PyThreadState_GET(void) { return _PyRuntimeState_GetThreadState(&_PyRuntime); } /* Redefine PyThreadState_GET() as an alias to _PyThreadState_GET() */ #undef PyThreadState_GET #define PyThreadState_GET() _PyThreadState_GET() PyAPI_FUNC(void) _Py_NO_RETURN _Py_FatalError_TstateNULL(const char *func); static inline void _Py_EnsureFuncTstateNotNULL(const char *func, PyThreadState *tstate) { if (tstate == NULL) { _Py_FatalError_TstateNULL(func); } } // Call Py_FatalError() if tstate is NULL #define _Py_EnsureTstateNotNULL(tstate) \ _Py_EnsureFuncTstateNotNULL(__func__, tstate) /* Get the current interpreter state. The macro is unsafe: it does not check for error and it can return NULL. The caller must hold the GIL. See also _PyInterpreterState_Get() and _PyGILState_GetInterpreterStateUnsafe(). */ static inline PyInterpreterState* _PyInterpreterState_GET(void) { PyThreadState *tstate = _PyThreadState_GET(); #ifdef Py_DEBUG _Py_EnsureTstateNotNULL(tstate); #endif return tstate->interp; } /* Other */ PyAPI_FUNC(void) _PyThreadState_Init( PyThreadState *tstate); PyAPI_FUNC(void) _PyThreadState_DeleteExcept( _PyRuntimeState *runtime, PyThreadState *tstate); PyAPI_FUNC(PyThreadState *) _PyThreadState_Swap( struct _gilstate_runtime_state *gilstate, PyThreadState *newts); PyAPI_FUNC(PyStatus) _PyInterpreterState_Enable(_PyRuntimeState *runtime); PyAPI_FUNC(void) _PyInterpreterState_DeleteExceptMain(_PyRuntimeState *runtime); PyAPI_FUNC(void) _PyGILState_Reinit(_PyRuntimeState *runtime); PyAPI_FUNC(int) _PyState_AddModule( PyThreadState *tstate, PyObject* module, struct PyModuleDef* def); PyAPI_FUNC(int) _PyOS_InterruptOccurred(PyThreadState *tstate); #ifdef __cplusplus } #endif #endif /* !Py_INTERNAL_PYSTATE_H */
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