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The C and C++ Include Header Files

cat -n /usr/include/python3.14/internal/pycore_runtime.h

     1	#ifndef Py_INTERNAL_RUNTIME_H
     2	#define Py_INTERNAL_RUNTIME_H
     3	#ifdef __cplusplus
     4	extern "C" {
     5	#endif
     6	
     7	#ifndef Py_BUILD_CORE
     8	#  error "this header requires Py_BUILD_CORE define"
     9	#endif
    10	
    11	#include "pycore_runtime_structs.h" // _PyRuntimeState
    12	
    13	
    14	/* API */
    15	
    16	// Export _PyRuntime for shared extensions which use it in static inline
    17	// functions for best performance, like _Py_IsMainThread() or _Py_ID().
    18	// It's also made accessible for debuggers and profilers.
    19	PyAPI_DATA(_PyRuntimeState) _PyRuntime;
    20	
    21	extern PyStatus _PyRuntimeState_Init(_PyRuntimeState *runtime);
    22	extern void _PyRuntimeState_Fini(_PyRuntimeState *runtime);
    23	
    24	#ifdef HAVE_FORK
    25	extern PyStatus _PyRuntimeState_ReInitThreads(_PyRuntimeState *runtime);
    26	#endif
    27	
    28	/* Initialize _PyRuntimeState.
    29	   Return NULL on success, or return an error message on failure. */
    30	extern PyStatus _PyRuntime_Initialize(void);
    31	
    32	extern void _PyRuntime_Finalize(void);
    33	
    34	
    35	static inline PyThreadState*
    36	_PyRuntimeState_GetFinalizing(_PyRuntimeState *runtime) {
    37	    return (PyThreadState*)_Py_atomic_load_ptr_relaxed(&runtime->_finalizing);
    38	}
    39	
    40	static inline unsigned long
    41	_PyRuntimeState_GetFinalizingID(_PyRuntimeState *runtime) {
    42	    return _Py_atomic_load_ulong_relaxed(&runtime->_finalizing_id);
    43	}
    44	
    45	static inline void
    46	_PyRuntimeState_SetFinalizing(_PyRuntimeState *runtime, PyThreadState *tstate) {
    47	    _Py_atomic_store_ptr_relaxed(&runtime->_finalizing, tstate);
    48	    if (tstate == NULL) {
    49	        _Py_atomic_store_ulong_relaxed(&runtime->_finalizing_id, 0);
    50	    }
    51	    else {
    52	        // XXX Re-enable this assert once gh-109860 is fixed.
    53	        //assert(tstate->thread_id == PyThread_get_thread_ident());
    54	        _Py_atomic_store_ulong_relaxed(&runtime->_finalizing_id,
    55	                                       tstate->thread_id);
    56	    }
    57	}
    58	
    59	
    60	#ifdef __cplusplus
    61	}
    62	#endif
    63	#endif /* !Py_INTERNAL_RUNTIME_H */