mirror of https://github.com/python/cpython.git
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
#ifndef Py_INTERNAL_RUNTIME_H
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#define Py_INTERNAL_RUNTIME_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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#include "pycore_runtime_structs.h" // _PyRuntimeState
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/* API */
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// Export _PyRuntime for shared extensions which use it in static inline
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// functions for best performance, like _Py_IsMainThread() or _Py_ID().
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// It's also made accessible for debuggers and profilers.
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PyAPI_DATA(_PyRuntimeState) _PyRuntime;
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extern PyStatus _PyRuntimeState_Init(_PyRuntimeState *runtime);
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extern void _PyRuntimeState_Fini(_PyRuntimeState *runtime);
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#ifdef HAVE_FORK
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extern PyStatus _PyRuntimeState_ReInitThreads(_PyRuntimeState *runtime);
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#endif
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/* Initialize _PyRuntimeState.
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Return NULL on success, or return an error message on failure. */
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extern PyStatus _PyRuntime_Initialize(void);
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extern void _PyRuntime_Finalize(void);
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static inline PyThreadState*
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_PyRuntimeState_GetFinalizing(_PyRuntimeState *runtime) {
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return (PyThreadState*)_Py_atomic_load_ptr_relaxed(&runtime->_finalizing);
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}
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static inline unsigned long
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_PyRuntimeState_GetFinalizingID(_PyRuntimeState *runtime) {
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return _Py_atomic_load_ulong_relaxed(&runtime->_finalizing_id);
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}
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static inline void
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_PyRuntimeState_SetFinalizing(_PyRuntimeState *runtime, PyThreadState *tstate) {
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_Py_atomic_store_ptr_relaxed(&runtime->_finalizing, tstate);
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if (tstate == NULL) {
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_Py_atomic_store_ulong_relaxed(&runtime->_finalizing_id, 0);
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}
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else {
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// XXX Re-enable this assert once gh-109860 is fixed.
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//assert(tstate->thread_id == PyThread_get_thread_ident());
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_Py_atomic_store_ulong_relaxed(&runtime->_finalizing_id,
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tstate->thread_id);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_RUNTIME_H */
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