forked from metin-server/m2dev-client-src
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
#ifndef Py_LIMITED_API
|
|
#ifndef Py_CONTEXT_H
|
|
#define Py_CONTEXT_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
PyAPI_DATA(PyTypeObject) PyContext_Type;
|
|
typedef struct _pycontextobject PyContext;
|
|
|
|
PyAPI_DATA(PyTypeObject) PyContextVar_Type;
|
|
typedef struct _pycontextvarobject PyContextVar;
|
|
|
|
PyAPI_DATA(PyTypeObject) PyContextToken_Type;
|
|
typedef struct _pycontexttokenobject PyContextToken;
|
|
|
|
|
|
#define PyContext_CheckExact(o) Py_IS_TYPE((o), &PyContext_Type)
|
|
#define PyContextVar_CheckExact(o) Py_IS_TYPE((o), &PyContextVar_Type)
|
|
#define PyContextToken_CheckExact(o) Py_IS_TYPE((o), &PyContextToken_Type)
|
|
|
|
|
|
PyAPI_FUNC(PyObject *) PyContext_New(void);
|
|
PyAPI_FUNC(PyObject *) PyContext_Copy(PyObject *);
|
|
PyAPI_FUNC(PyObject *) PyContext_CopyCurrent(void);
|
|
|
|
PyAPI_FUNC(int) PyContext_Enter(PyObject *);
|
|
PyAPI_FUNC(int) PyContext_Exit(PyObject *);
|
|
|
|
typedef enum {
|
|
/*
|
|
* The current context has switched to a different context. The object
|
|
* passed to the watch callback is the now-current contextvars.Context
|
|
* object, or None if no context is current.
|
|
*/
|
|
Py_CONTEXT_SWITCHED = 1,
|
|
} PyContextEvent;
|
|
|
|
/*
|
|
* Context object watcher callback function. The object passed to the callback
|
|
* is event-specific; see PyContextEvent for details.
|
|
*
|
|
* if the callback returns with an exception set, it must return -1. Otherwise
|
|
* it should return 0
|
|
*/
|
|
typedef int (*PyContext_WatchCallback)(PyContextEvent, PyObject *);
|
|
|
|
/*
|
|
* Register a per-interpreter callback that will be invoked for context object
|
|
* enter/exit events.
|
|
*
|
|
* Returns a handle that may be passed to PyContext_ClearWatcher on success,
|
|
* or -1 and sets and error if no more handles are available.
|
|
*/
|
|
PyAPI_FUNC(int) PyContext_AddWatcher(PyContext_WatchCallback callback);
|
|
|
|
/*
|
|
* Clear the watcher associated with the watcher_id handle.
|
|
*
|
|
* Returns 0 on success or -1 if no watcher exists for the provided id.
|
|
*/
|
|
PyAPI_FUNC(int) PyContext_ClearWatcher(int watcher_id);
|
|
|
|
/* Create a new context variable.
|
|
|
|
default_value can be NULL.
|
|
*/
|
|
PyAPI_FUNC(PyObject *) PyContextVar_New(
|
|
const char *name, PyObject *default_value);
|
|
|
|
|
|
/* Get a value for the variable.
|
|
|
|
Returns -1 if an error occurred during lookup.
|
|
|
|
Returns 0 if value either was or was not found.
|
|
|
|
If value was found, *value will point to it.
|
|
If not, it will point to:
|
|
|
|
- default_value, if not NULL;
|
|
- the default value of "var", if not NULL;
|
|
- NULL.
|
|
|
|
'*value' will be a new ref, if not NULL.
|
|
*/
|
|
PyAPI_FUNC(int) PyContextVar_Get(
|
|
PyObject *var, PyObject *default_value, PyObject **value);
|
|
|
|
|
|
/* Set a new value for the variable.
|
|
Returns NULL if an error occurs.
|
|
*/
|
|
PyAPI_FUNC(PyObject *) PyContextVar_Set(PyObject *var, PyObject *value);
|
|
|
|
|
|
/* Reset a variable to its previous value.
|
|
Returns 0 on success, -1 on error.
|
|
*/
|
|
PyAPI_FUNC(int) PyContextVar_Reset(PyObject *var, PyObject *token);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_CONTEXT_H */
|
|
#endif /* !Py_LIMITED_API */
|