mirror of https://github.com/python/cpython.git
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
#ifndef Py_INTERNAL_INTERP_H
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#define Py_INTERNAL_INTERP_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_interp_structs.h" // PyInterpreterState
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/* interpreter state */
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#define _PyInterpreterState_WHENCE_NOTSET -1
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#define _PyInterpreterState_WHENCE_UNKNOWN 0
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#define _PyInterpreterState_WHENCE_RUNTIME 1
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#define _PyInterpreterState_WHENCE_LEGACY_CAPI 2
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#define _PyInterpreterState_WHENCE_CAPI 3
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#define _PyInterpreterState_WHENCE_XI 4
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#define _PyInterpreterState_WHENCE_STDLIB 5
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#define _PyInterpreterState_WHENCE_MAX 5
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/* other API */
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extern void _PyInterpreterState_Clear(PyThreadState *tstate);
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static inline PyThreadState*
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_PyInterpreterState_GetFinalizing(PyInterpreterState *interp) {
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return (PyThreadState*)_Py_atomic_load_ptr_relaxed(&interp->_finalizing);
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}
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static inline unsigned long
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_PyInterpreterState_GetFinalizingID(PyInterpreterState *interp) {
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return _Py_atomic_load_ulong_relaxed(&interp->_finalizing_id);
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}
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static inline void
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_PyInterpreterState_SetFinalizing(PyInterpreterState *interp, PyThreadState *tstate) {
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_Py_atomic_store_ptr_relaxed(&interp->_finalizing, tstate);
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if (tstate == NULL) {
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_Py_atomic_store_ulong_relaxed(&interp->_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(&interp->_finalizing_id,
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tstate->thread_id);
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}
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}
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// Exports for the _testinternalcapi module.
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PyAPI_FUNC(int64_t) _PyInterpreterState_ObjectToID(PyObject *);
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PyAPI_FUNC(PyInterpreterState *) _PyInterpreterState_LookUpID(int64_t);
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PyAPI_FUNC(PyInterpreterState *) _PyInterpreterState_LookUpIDObject(PyObject *);
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PyAPI_FUNC(void) _PyInterpreterState_IDIncref(PyInterpreterState *);
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PyAPI_FUNC(void) _PyInterpreterState_IDDecref(PyInterpreterState *);
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PyAPI_FUNC(int) _PyInterpreterState_IsReady(PyInterpreterState *interp);
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PyAPI_FUNC(long) _PyInterpreterState_GetWhence(PyInterpreterState *interp);
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extern void _PyInterpreterState_SetWhence(
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PyInterpreterState *interp,
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long whence);
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/*
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Runtime Feature Flags
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Each flag indicate whether or not a specific runtime feature
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is available in a given context. For example, forking the process
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might not be allowed in the current interpreter (i.e. os.fork() would fail).
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*/
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/* Set if the interpreter share obmalloc runtime state
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with the main interpreter. */
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#define Py_RTFLAGS_USE_MAIN_OBMALLOC (1UL << 5)
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/* Set if import should check a module for subinterpreter support. */
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#define Py_RTFLAGS_MULTI_INTERP_EXTENSIONS (1UL << 8)
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/* Set if threads are allowed. */
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#define Py_RTFLAGS_THREADS (1UL << 10)
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/* Set if daemon threads are allowed. */
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#define Py_RTFLAGS_DAEMON_THREADS (1UL << 11)
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/* Set if os.fork() is allowed. */
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#define Py_RTFLAGS_FORK (1UL << 15)
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/* Set if os.exec*() is allowed. */
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#define Py_RTFLAGS_EXEC (1UL << 16)
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extern int _PyInterpreterState_HasFeature(PyInterpreterState *interp,
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unsigned long feature);
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PyAPI_FUNC(PyStatus) _PyInterpreterState_New(
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PyThreadState *tstate,
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PyInterpreterState **pinterp);
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extern const PyConfig* _PyInterpreterState_GetConfig(
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PyInterpreterState *interp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_INTERP_H */
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