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-rw-r--r--Include/internal/pystate.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/Include/internal/pystate.h b/Include/internal/pystate.h
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+++ b/Include/internal/pystate.h
@@ -0,0 +1,92 @@
+#ifndef Py_INTERNAL_PYSTATE_H
+#define Py_INTERNAL_PYSTATE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "pystate.h"
+#include "pyatomic.h"
+#include "pythread.h"
+
+#include "internal/mem.h"
+#include "internal/ceval.h"
+#include "internal/warnings.h"
+
+
+/* GIL state */
+
+struct _gilstate_runtime_state {
+ int check_enabled;
+ /* Assuming the current thread holds the GIL, this is the
+ PyThreadState for the current thread. */
+ _Py_atomic_address tstate_current;
+ PyThreadFrameGetter getframe;
+ /* The single PyInterpreterState used by this process'
+ GILState implementation
+ */
+ /* TODO: Given interp_main, it may be possible to kill this ref */
+ PyInterpreterState *autoInterpreterState;
+ int autoTLSkey;
+};
+
+/* hook for PyEval_GetFrame(), requested for Psyco */
+#define _PyThreadState_GetFrame _PyRuntime.gilstate.getframe
+
+/* Issue #26558: Flag to disable PyGILState_Check().
+ If set to non-zero, PyGILState_Check() always return 1. */
+#define _PyGILState_check_enabled _PyRuntime.gilstate.check_enabled
+
+
+/* Full Python runtime state */
+
+typedef struct pyruntimestate {
+ int initialized;
+ int core_initialized;
+ PyThreadState *finalizing;
+
+ struct pyinterpreters {
+ PyThread_type_lock mutex;
+ PyInterpreterState *head;
+ PyInterpreterState *main;
+ /* _next_interp_id is an auto-numbered sequence of small
+ integers. It gets initialized in _PyInterpreterState_Init(),
+ which is called in Py_Initialize(), and used in
+ PyInterpreterState_New(). A negative interpreter ID
+ indicates an error occurred. The main interpreter will
+ always have an ID of 0. Overflow results in a RuntimeError.
+ If that becomes a problem later then we can adjust, e.g. by
+ using a Python int. */
+ int64_t next_id;
+ } interpreters;
+
+#define NEXITFUNCS 32
+ void (*exitfuncs[NEXITFUNCS])(void);
+ int nexitfuncs;
+ void (*pyexitfunc)(void);
+
+ struct _pyobj_runtime_state obj;
+ struct _gc_runtime_state gc;
+ struct _pymem_runtime_state mem;
+ struct _warnings_runtime_state warnings;
+ struct _ceval_runtime_state ceval;
+ struct _gilstate_runtime_state gilstate;
+
+ // XXX Consolidate globals found via the check-c-globals script.
+} _PyRuntimeState;
+
+PyAPI_DATA(_PyRuntimeState) _PyRuntime;
+PyAPI_FUNC(void) _PyRuntimeState_Init(_PyRuntimeState *);
+PyAPI_FUNC(void) _PyRuntimeState_Fini(_PyRuntimeState *);
+
+#define _Py_CURRENTLY_FINALIZING(tstate) \
+ (_PyRuntime.finalizing == tstate)
+
+
+/* Other */
+
+PyAPI_FUNC(void) _PyInterpreterState_Enable(_PyRuntimeState *);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_INTERNAL_PYSTATE_H */