Restoring authorship annotation for <[email protected]>. Commit 2 of 2.

1 files changed, 261 insertions, 261 deletions

diff --git a/contrib/tools/python3/src/Include/cpython/pystate.h b/contrib/tools/python3/src/Include/cpython/pystate.h
index 5d23d244485..0eb601fd7c5 100644
--- a/contrib/tools/python3/src/Include/cpython/pystate.h
+++ b/contrib/tools/python3/src/Include/cpython/pystate.h
@@ -1,261 +1,261 @@
-#ifndef Py_CPYTHON_PYSTATE_H 
-#  error "this header file must not be included directly" 
-#endif 
- 
-#ifdef __cplusplus 
-extern "C" { 
-#endif 
- 
-PyAPI_FUNC(int) _PyInterpreterState_RequiresIDRef(PyInterpreterState *); 
-PyAPI_FUNC(void) _PyInterpreterState_RequireIDRef(PyInterpreterState *, int); 
- 
-PyAPI_FUNC(PyObject *) _PyInterpreterState_GetMainModule(PyInterpreterState *); 
- 
-/* State unique per thread */ 
- 
-/* Py_tracefunc return -1 when raising an exception, or 0 for success. */ 
-typedef int (*Py_tracefunc)(PyObject *, PyFrameObject *, int, PyObject *); 
- 
-/* The following values are used for 'what' for tracefunc functions 
- * 
- * To add a new kind of trace event, also update "trace_init" in 
- * Python/sysmodule.c to define the Python level event name 
- */ 
-#define PyTrace_CALL 0 
-#define PyTrace_EXCEPTION 1 
-#define PyTrace_LINE 2 
-#define PyTrace_RETURN 3 
-#define PyTrace_C_CALL 4 
-#define PyTrace_C_EXCEPTION 5 
-#define PyTrace_C_RETURN 6 
-#define PyTrace_OPCODE 7 
- 
- 
-typedef struct _err_stackitem { 
-    /* This struct represents an entry on the exception stack, which is a 
-     * per-coroutine state. (Coroutine in the computer science sense, 
-     * including the thread and generators). 
-     * This ensures that the exception state is not impacted by "yields" 
-     * from an except handler. 
-     */ 
-    PyObject *exc_type, *exc_value, *exc_traceback; 
- 
-    struct _err_stackitem *previous_item; 
- 
-} _PyErr_StackItem; 
- 
- 
-// The PyThreadState typedef is in Include/pystate.h. 
-struct _ts { 
-    /* See Python/ceval.c for comments explaining most fields */ 
- 
-    struct _ts *prev; 
-    struct _ts *next; 
-    PyInterpreterState *interp; 
- 
-    /* Borrowed reference to the current frame (it can be NULL) */ 
-    PyFrameObject *frame; 
-    int recursion_depth; 
-    char overflowed; /* The stack has overflowed. Allow 50 more calls 
-                        to handle the runtime error. */ 
-    char recursion_critical; /* The current calls must not cause 
-                                a stack overflow. */ 
-    int stackcheck_counter; 
- 
-    /* 'tracing' keeps track of the execution depth when tracing/profiling. 
-       This is to prevent the actual trace/profile code from being recorded in 
-       the trace/profile. */ 
-    int tracing; 
-    int use_tracing; 
- 
-    Py_tracefunc c_profilefunc; 
-    Py_tracefunc c_tracefunc; 
-    PyObject *c_profileobj; 
-    PyObject *c_traceobj; 
- 
-    /* The exception currently being raised */ 
-    PyObject *curexc_type; 
-    PyObject *curexc_value; 
-    PyObject *curexc_traceback; 
- 
-    /* The exception currently being handled, if no coroutines/generators 
-     * are present. Always last element on the stack referred to be exc_info. 
-     */ 
-    _PyErr_StackItem exc_state; 
- 
-    /* Pointer to the top of the stack of the exceptions currently 
-     * being handled */ 
-    _PyErr_StackItem *exc_info; 
- 
-    PyObject *dict;  /* Stores per-thread state */ 
- 
-    int gilstate_counter; 
- 
-    PyObject *async_exc; /* Asynchronous exception to raise */ 
-    unsigned long thread_id; /* Thread id where this tstate was created */ 
- 
-    int trash_delete_nesting; 
-    PyObject *trash_delete_later; 
- 
-    /* Called when a thread state is deleted normally, but not when it 
-     * is destroyed after fork(). 
-     * Pain:  to prevent rare but fatal shutdown errors (issue 18808), 
-     * Thread.join() must wait for the join'ed thread's tstate to be unlinked 
-     * from the tstate chain.  That happens at the end of a thread's life, 
-     * in pystate.c. 
-     * The obvious way doesn't quite work:  create a lock which the tstate 
-     * unlinking code releases, and have Thread.join() wait to acquire that 
-     * lock.  The problem is that we _are_ at the end of the thread's life: 
-     * if the thread holds the last reference to the lock, decref'ing the 
-     * lock will delete the lock, and that may trigger arbitrary Python code 
-     * if there's a weakref, with a callback, to the lock.  But by this time 
-     * _PyRuntime.gilstate.tstate_current is already NULL, so only the simplest 
-     * of C code can be allowed to run (in particular it must not be possible to 
-     * release the GIL). 
-     * So instead of holding the lock directly, the tstate holds a weakref to 
-     * the lock:  that's the value of on_delete_data below.  Decref'ing a 
-     * weakref is harmless. 
-     * on_delete points to _threadmodule.c's static release_sentinel() function. 
-     * After the tstate is unlinked, release_sentinel is called with the 
-     * weakref-to-lock (on_delete_data) argument, and release_sentinel releases 
-     * the indirectly held lock. 
-     */ 
-    void (*on_delete)(void *); 
-    void *on_delete_data; 
- 
-    int coroutine_origin_tracking_depth; 
- 
-    PyObject *async_gen_firstiter; 
-    PyObject *async_gen_finalizer; 
- 
-    PyObject *context; 
-    uint64_t context_ver; 
- 
-    /* Unique thread state id. */ 
-    uint64_t id; 
- 
-    /* XXX signal handlers should also be here */ 
- 
-}; 
- 
-// Alias for backward compatibility with Python 3.8 
-#define _PyInterpreterState_Get PyInterpreterState_Get 
- 
-PyAPI_FUNC(PyThreadState *) _PyThreadState_Prealloc(PyInterpreterState *); 
- 
-/* Similar to PyThreadState_Get(), but don't issue a fatal error 
- * if it is NULL. */ 
-PyAPI_FUNC(PyThreadState *) _PyThreadState_UncheckedGet(void); 
- 
-PyAPI_FUNC(PyObject *) _PyThreadState_GetDict(PyThreadState *tstate); 
- 
-/* PyGILState */ 
- 
-/* Helper/diagnostic function - return 1 if the current thread 
-   currently holds the GIL, 0 otherwise. 
- 
-   The function returns 1 if _PyGILState_check_enabled is non-zero. */ 
-PyAPI_FUNC(int) PyGILState_Check(void); 
- 
-/* Get the single PyInterpreterState used by this process' GILState 
-   implementation. 
- 
-   This function doesn't check for error. Return NULL before _PyGILState_Init() 
-   is called and after _PyGILState_Fini() is called. 
- 
-   See also _PyInterpreterState_Get() and _PyInterpreterState_GET(). */ 
-PyAPI_FUNC(PyInterpreterState *) _PyGILState_GetInterpreterStateUnsafe(void); 
- 
-/* The implementation of sys._current_frames()  Returns a dict mapping 
-   thread id to that thread's current frame. 
-*/ 
-PyAPI_FUNC(PyObject *) _PyThread_CurrentFrames(void); 
- 
-/* Routines for advanced debuggers, requested by David Beazley. 
-   Don't use unless you know what you are doing! */ 
-PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Main(void); 
-PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Head(void); 
-PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Next(PyInterpreterState *); 
-PyAPI_FUNC(PyThreadState *) PyInterpreterState_ThreadHead(PyInterpreterState *); 
-PyAPI_FUNC(PyThreadState *) PyThreadState_Next(PyThreadState *); 
-PyAPI_FUNC(void) PyThreadState_DeleteCurrent(void); 
- 
-/* Frame evaluation API */ 
- 
-typedef PyObject* (*_PyFrameEvalFunction)(PyThreadState *tstate, PyFrameObject *, int); 
- 
-PyAPI_FUNC(_PyFrameEvalFunction) _PyInterpreterState_GetEvalFrameFunc( 
-    PyInterpreterState *interp); 
-PyAPI_FUNC(void) _PyInterpreterState_SetEvalFrameFunc( 
-    PyInterpreterState *interp, 
-    _PyFrameEvalFunction eval_frame); 
- 
-PyAPI_FUNC(const PyConfig*) _PyInterpreterState_GetConfig(PyInterpreterState *interp); 
- 
-// Get the configuration of the currrent interpreter. 
-// The caller must hold the GIL. 
-PyAPI_FUNC(const PyConfig*) _Py_GetConfig(void); 
- 
- 
-/* cross-interpreter data */ 
- 
-struct _xid; 
- 
-// _PyCrossInterpreterData is similar to Py_buffer as an effectively 
-// opaque struct that holds data outside the object machinery.  This 
-// is necessary to pass safely between interpreters in the same process. 
-typedef struct _xid { 
-    // data is the cross-interpreter-safe derivation of a Python object 
-    // (see _PyObject_GetCrossInterpreterData).  It will be NULL if the 
-    // new_object func (below) encodes the data. 
-    void *data; 
-    // obj is the Python object from which the data was derived.  This 
-    // is non-NULL only if the data remains bound to the object in some 
-    // way, such that the object must be "released" (via a decref) when 
-    // the data is released.  In that case the code that sets the field, 
-    // likely a registered "crossinterpdatafunc", is responsible for 
-    // ensuring it owns the reference (i.e. incref). 
-    PyObject *obj; 
-    // interp is the ID of the owning interpreter of the original 
-    // object.  It corresponds to the active interpreter when 
-    // _PyObject_GetCrossInterpreterData() was called.  This should only 
-    // be set by the cross-interpreter machinery. 
-    // 
-    // We use the ID rather than the PyInterpreterState to avoid issues 
-    // with deleted interpreters.  Note that IDs are never re-used, so 
-    // each one will always correspond to a specific interpreter 
-    // (whether still alive or not). 
-    int64_t interp; 
-    // new_object is a function that returns a new object in the current 
-    // interpreter given the data.  The resulting object (a new 
-    // reference) will be equivalent to the original object.  This field 
-    // is required. 
-    PyObject *(*new_object)(struct _xid *); 
-    // free is called when the data is released.  If it is NULL then 
-    // nothing will be done to free the data.  For some types this is 
-    // okay (e.g. bytes) and for those types this field should be set 
-    // to NULL.  However, for most the data was allocated just for 
-    // cross-interpreter use, so it must be freed when 
-    // _PyCrossInterpreterData_Release is called or the memory will 
-    // leak.  In that case, at the very least this field should be set 
-    // to PyMem_RawFree (the default if not explicitly set to NULL). 
-    // The call will happen with the original interpreter activated. 
-    void (*free)(void *); 
-} _PyCrossInterpreterData; 
- 
-PyAPI_FUNC(int) _PyObject_GetCrossInterpreterData(PyObject *, _PyCrossInterpreterData *); 
-PyAPI_FUNC(PyObject *) _PyCrossInterpreterData_NewObject(_PyCrossInterpreterData *); 
-PyAPI_FUNC(void) _PyCrossInterpreterData_Release(_PyCrossInterpreterData *); 
- 
-PyAPI_FUNC(int) _PyObject_CheckCrossInterpreterData(PyObject *); 
- 
-/* cross-interpreter data registry */ 
- 
-typedef int (*crossinterpdatafunc)(PyObject *, struct _xid *); 
- 
-PyAPI_FUNC(int) _PyCrossInterpreterData_RegisterClass(PyTypeObject *, crossinterpdatafunc); 
-PyAPI_FUNC(crossinterpdatafunc) _PyCrossInterpreterData_Lookup(PyObject *); 
- 
-#ifdef __cplusplus 
-} 
-#endif 
+#ifndef Py_CPYTHON_PYSTATE_H
+#  error "this header file must not be included directly"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+PyAPI_FUNC(int) _PyInterpreterState_RequiresIDRef(PyInterpreterState *);
+PyAPI_FUNC(void) _PyInterpreterState_RequireIDRef(PyInterpreterState *, int);
+
+PyAPI_FUNC(PyObject *) _PyInterpreterState_GetMainModule(PyInterpreterState *);
+
+/* State unique per thread */
+
+/* Py_tracefunc return -1 when raising an exception, or 0 for success. */
+typedef int (*Py_tracefunc)(PyObject *, PyFrameObject *, int, PyObject *);
+
+/* The following values are used for 'what' for tracefunc functions
+ *
+ * To add a new kind of trace event, also update "trace_init" in
+ * Python/sysmodule.c to define the Python level event name
+ */
+#define PyTrace_CALL 0
+#define PyTrace_EXCEPTION 1
+#define PyTrace_LINE 2
+#define PyTrace_RETURN 3
+#define PyTrace_C_CALL 4
+#define PyTrace_C_EXCEPTION 5
+#define PyTrace_C_RETURN 6
+#define PyTrace_OPCODE 7
+
+
+typedef struct _err_stackitem {
+    /* This struct represents an entry on the exception stack, which is a
+     * per-coroutine state. (Coroutine in the computer science sense,
+     * including the thread and generators).
+     * This ensures that the exception state is not impacted by "yields"
+     * from an except handler.
+     */
+    PyObject *exc_type, *exc_value, *exc_traceback;
+
+    struct _err_stackitem *previous_item;
+
+} _PyErr_StackItem;
+
+
+// The PyThreadState typedef is in Include/pystate.h.
+struct _ts {
+    /* See Python/ceval.c for comments explaining most fields */
+
+    struct _ts *prev;
+    struct _ts *next;
+    PyInterpreterState *interp;
+
+    /* Borrowed reference to the current frame (it can be NULL) */
+    PyFrameObject *frame;
+    int recursion_depth;
+    char overflowed; /* The stack has overflowed. Allow 50 more calls
+                        to handle the runtime error. */
+    char recursion_critical; /* The current calls must not cause
+                                a stack overflow. */
+    int stackcheck_counter;
+
+    /* 'tracing' keeps track of the execution depth when tracing/profiling.
+       This is to prevent the actual trace/profile code from being recorded in
+       the trace/profile. */
+    int tracing;
+    int use_tracing;
+
+    Py_tracefunc c_profilefunc;
+    Py_tracefunc c_tracefunc;
+    PyObject *c_profileobj;
+    PyObject *c_traceobj;
+
+    /* The exception currently being raised */
+    PyObject *curexc_type;
+    PyObject *curexc_value;
+    PyObject *curexc_traceback;
+
+    /* The exception currently being handled, if no coroutines/generators
+     * are present. Always last element on the stack referred to be exc_info.
+     */
+    _PyErr_StackItem exc_state;
+
+    /* Pointer to the top of the stack of the exceptions currently
+     * being handled */
+    _PyErr_StackItem *exc_info;
+
+    PyObject *dict;  /* Stores per-thread state */
+
+    int gilstate_counter;
+
+    PyObject *async_exc; /* Asynchronous exception to raise */
+    unsigned long thread_id; /* Thread id where this tstate was created */
+
+    int trash_delete_nesting;
+    PyObject *trash_delete_later;
+
+    /* Called when a thread state is deleted normally, but not when it
+     * is destroyed after fork().
+     * Pain:  to prevent rare but fatal shutdown errors (issue 18808),
+     * Thread.join() must wait for the join'ed thread's tstate to be unlinked
+     * from the tstate chain.  That happens at the end of a thread's life,
+     * in pystate.c.
+     * The obvious way doesn't quite work:  create a lock which the tstate
+     * unlinking code releases, and have Thread.join() wait to acquire that
+     * lock.  The problem is that we _are_ at the end of the thread's life:
+     * if the thread holds the last reference to the lock, decref'ing the
+     * lock will delete the lock, and that may trigger arbitrary Python code
+     * if there's a weakref, with a callback, to the lock.  But by this time
+     * _PyRuntime.gilstate.tstate_current is already NULL, so only the simplest
+     * of C code can be allowed to run (in particular it must not be possible to
+     * release the GIL).
+     * So instead of holding the lock directly, the tstate holds a weakref to
+     * the lock:  that's the value of on_delete_data below.  Decref'ing a
+     * weakref is harmless.
+     * on_delete points to _threadmodule.c's static release_sentinel() function.
+     * After the tstate is unlinked, release_sentinel is called with the
+     * weakref-to-lock (on_delete_data) argument, and release_sentinel releases
+     * the indirectly held lock.
+     */
+    void (*on_delete)(void *);
+    void *on_delete_data;
+
+    int coroutine_origin_tracking_depth;
+
+    PyObject *async_gen_firstiter;
+    PyObject *async_gen_finalizer;
+
+    PyObject *context;
+    uint64_t context_ver;
+
+    /* Unique thread state id. */
+    uint64_t id;
+
+    /* XXX signal handlers should also be here */
+
+};
+
+// Alias for backward compatibility with Python 3.8
+#define _PyInterpreterState_Get PyInterpreterState_Get
+
+PyAPI_FUNC(PyThreadState *) _PyThreadState_Prealloc(PyInterpreterState *);
+
+/* Similar to PyThreadState_Get(), but don't issue a fatal error
+ * if it is NULL. */
+PyAPI_FUNC(PyThreadState *) _PyThreadState_UncheckedGet(void);
+
+PyAPI_FUNC(PyObject *) _PyThreadState_GetDict(PyThreadState *tstate);
+
+/* PyGILState */
+
+/* Helper/diagnostic function - return 1 if the current thread
+   currently holds the GIL, 0 otherwise.
+
+   The function returns 1 if _PyGILState_check_enabled is non-zero. */
+PyAPI_FUNC(int) PyGILState_Check(void);
+
+/* Get the single PyInterpreterState used by this process' GILState
+   implementation.
+
+   This function doesn't check for error. Return NULL before _PyGILState_Init()
+   is called and after _PyGILState_Fini() is called.
+
+   See also _PyInterpreterState_Get() and _PyInterpreterState_GET(). */
+PyAPI_FUNC(PyInterpreterState *) _PyGILState_GetInterpreterStateUnsafe(void);
+
+/* The implementation of sys._current_frames()  Returns a dict mapping
+   thread id to that thread's current frame.
+*/
+PyAPI_FUNC(PyObject *) _PyThread_CurrentFrames(void);
+
+/* Routines for advanced debuggers, requested by David Beazley.
+   Don't use unless you know what you are doing! */
+PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Main(void);
+PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Head(void);
+PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Next(PyInterpreterState *);
+PyAPI_FUNC(PyThreadState *) PyInterpreterState_ThreadHead(PyInterpreterState *);
+PyAPI_FUNC(PyThreadState *) PyThreadState_Next(PyThreadState *);
+PyAPI_FUNC(void) PyThreadState_DeleteCurrent(void);
+
+/* Frame evaluation API */
+
+typedef PyObject* (*_PyFrameEvalFunction)(PyThreadState *tstate, PyFrameObject *, int);
+
+PyAPI_FUNC(_PyFrameEvalFunction) _PyInterpreterState_GetEvalFrameFunc(
+    PyInterpreterState *interp);
+PyAPI_FUNC(void) _PyInterpreterState_SetEvalFrameFunc(
+    PyInterpreterState *interp,
+    _PyFrameEvalFunction eval_frame);
+
+PyAPI_FUNC(const PyConfig*) _PyInterpreterState_GetConfig(PyInterpreterState *interp);
+
+// Get the configuration of the currrent interpreter.
+// The caller must hold the GIL.
+PyAPI_FUNC(const PyConfig*) _Py_GetConfig(void);
+
+
+/* cross-interpreter data */
+
+struct _xid;
+
+// _PyCrossInterpreterData is similar to Py_buffer as an effectively
+// opaque struct that holds data outside the object machinery.  This
+// is necessary to pass safely between interpreters in the same process.
+typedef struct _xid {
+    // data is the cross-interpreter-safe derivation of a Python object
+    // (see _PyObject_GetCrossInterpreterData).  It will be NULL if the
+    // new_object func (below) encodes the data.
+    void *data;
+    // obj is the Python object from which the data was derived.  This
+    // is non-NULL only if the data remains bound to the object in some
+    // way, such that the object must be "released" (via a decref) when
+    // the data is released.  In that case the code that sets the field,
+    // likely a registered "crossinterpdatafunc", is responsible for
+    // ensuring it owns the reference (i.e. incref).
+    PyObject *obj;
+    // interp is the ID of the owning interpreter of the original
+    // object.  It corresponds to the active interpreter when
+    // _PyObject_GetCrossInterpreterData() was called.  This should only
+    // be set by the cross-interpreter machinery.
+    //
+    // We use the ID rather than the PyInterpreterState to avoid issues
+    // with deleted interpreters.  Note that IDs are never re-used, so
+    // each one will always correspond to a specific interpreter
+    // (whether still alive or not).
+    int64_t interp;
+    // new_object is a function that returns a new object in the current
+    // interpreter given the data.  The resulting object (a new
+    // reference) will be equivalent to the original object.  This field
+    // is required.
+    PyObject *(*new_object)(struct _xid *);
+    // free is called when the data is released.  If it is NULL then
+    // nothing will be done to free the data.  For some types this is
+    // okay (e.g. bytes) and for those types this field should be set
+    // to NULL.  However, for most the data was allocated just for
+    // cross-interpreter use, so it must be freed when
+    // _PyCrossInterpreterData_Release is called or the memory will
+    // leak.  In that case, at the very least this field should be set
+    // to PyMem_RawFree (the default if not explicitly set to NULL).
+    // The call will happen with the original interpreter activated.
+    void (*free)(void *);
+} _PyCrossInterpreterData;
+
+PyAPI_FUNC(int) _PyObject_GetCrossInterpreterData(PyObject *, _PyCrossInterpreterData *);
+PyAPI_FUNC(PyObject *) _PyCrossInterpreterData_NewObject(_PyCrossInterpreterData *);
+PyAPI_FUNC(void) _PyCrossInterpreterData_Release(_PyCrossInterpreterData *);
+
+PyAPI_FUNC(int) _PyObject_CheckCrossInterpreterData(PyObject *);
+
+/* cross-interpreter data registry */
+
+typedef int (*crossinterpdatafunc)(PyObject *, struct _xid *);
+
+PyAPI_FUNC(int) _PyCrossInterpreterData_RegisterClass(PyTypeObject *, crossinterpdatafunc);
+PyAPI_FUNC(crossinterpdatafunc) _PyCrossInterpreterData_Lookup(PyObject *);
+
+#ifdef __cplusplus
+}
+#endif