You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
158 lines
3.9 KiB
C
158 lines
3.9 KiB
C
5 years ago
|
/* vim:set noet ts=8 sw=8 : */
|
||
|
|
||
|
/* Greenlet object interface */
|
||
|
|
||
|
#ifndef Py_GREENLETOBJECT_H
|
||
|
#define Py_GREENLETOBJECT_H
|
||
|
|
||
|
#include <Python.h>
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
#define GREENLET_VERSION "0.4.15"
|
||
|
|
||
|
#if PY_VERSION_HEX >= 0x030700A3
|
||
|
# define GREENLET_USE_EXC_INFO
|
||
|
#endif
|
||
|
|
||
|
typedef struct _greenlet {
|
||
|
PyObject_HEAD
|
||
|
char* stack_start;
|
||
|
char* stack_stop;
|
||
|
char* stack_copy;
|
||
|
intptr_t stack_saved;
|
||
|
struct _greenlet* stack_prev;
|
||
|
struct _greenlet* parent;
|
||
|
PyObject* run_info;
|
||
|
struct _frame* top_frame;
|
||
|
int recursion_depth;
|
||
|
PyObject* weakreflist;
|
||
|
#ifdef GREENLET_USE_EXC_INFO
|
||
|
_PyErr_StackItem* exc_info;
|
||
|
_PyErr_StackItem exc_state;
|
||
|
#else
|
||
|
PyObject* exc_type;
|
||
|
PyObject* exc_value;
|
||
|
PyObject* exc_traceback;
|
||
|
#endif
|
||
|
PyObject* dict;
|
||
|
} PyGreenlet;
|
||
|
|
||
|
#define PyGreenlet_Check(op) PyObject_TypeCheck(op, &PyGreenlet_Type)
|
||
|
#define PyGreenlet_MAIN(op) (((PyGreenlet*)(op))->stack_stop == (char*) -1)
|
||
|
#define PyGreenlet_STARTED(op) (((PyGreenlet*)(op))->stack_stop != NULL)
|
||
|
#define PyGreenlet_ACTIVE(op) (((PyGreenlet*)(op))->stack_start != NULL)
|
||
|
#define PyGreenlet_GET_PARENT(op) (((PyGreenlet*)(op))->parent)
|
||
|
|
||
|
#if (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION >= 7) || (PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION >= 1) || PY_MAJOR_VERSION > 3
|
||
|
#define GREENLET_USE_PYCAPSULE
|
||
|
#endif
|
||
|
|
||
|
/* C API functions */
|
||
|
|
||
|
/* Total number of symbols that are exported */
|
||
|
#define PyGreenlet_API_pointers 8
|
||
|
|
||
|
#define PyGreenlet_Type_NUM 0
|
||
|
#define PyExc_GreenletError_NUM 1
|
||
|
#define PyExc_GreenletExit_NUM 2
|
||
|
|
||
|
#define PyGreenlet_New_NUM 3
|
||
|
#define PyGreenlet_GetCurrent_NUM 4
|
||
|
#define PyGreenlet_Throw_NUM 5
|
||
|
#define PyGreenlet_Switch_NUM 6
|
||
|
#define PyGreenlet_SetParent_NUM 7
|
||
|
|
||
|
#ifndef GREENLET_MODULE
|
||
|
/* This section is used by modules that uses the greenlet C API */
|
||
|
static void **_PyGreenlet_API = NULL;
|
||
|
|
||
|
#define PyGreenlet_Type (*(PyTypeObject *) _PyGreenlet_API[PyGreenlet_Type_NUM])
|
||
|
|
||
|
#define PyExc_GreenletError \
|
||
|
((PyObject *) _PyGreenlet_API[PyExc_GreenletError_NUM])
|
||
|
|
||
|
#define PyExc_GreenletExit \
|
||
|
((PyObject *) _PyGreenlet_API[PyExc_GreenletExit_NUM])
|
||
|
|
||
|
/*
|
||
|
* PyGreenlet_New(PyObject *args)
|
||
|
*
|
||
|
* greenlet.greenlet(run, parent=None)
|
||
|
*/
|
||
|
#define PyGreenlet_New \
|
||
|
(* (PyGreenlet * (*)(PyObject *run, PyGreenlet *parent)) \
|
||
|
_PyGreenlet_API[PyGreenlet_New_NUM])
|
||
|
|
||
|
/*
|
||
|
* PyGreenlet_GetCurrent(void)
|
||
|
*
|
||
|
* greenlet.getcurrent()
|
||
|
*/
|
||
|
#define PyGreenlet_GetCurrent \
|
||
|
(* (PyGreenlet * (*)(void)) _PyGreenlet_API[PyGreenlet_GetCurrent_NUM])
|
||
|
|
||
|
/*
|
||
|
* PyGreenlet_Throw(
|
||
|
* PyGreenlet *greenlet,
|
||
|
* PyObject *typ,
|
||
|
* PyObject *val,
|
||
|
* PyObject *tb)
|
||
|
*
|
||
|
* g.throw(...)
|
||
|
*/
|
||
|
#define PyGreenlet_Throw \
|
||
|
(* (PyObject * (*) \
|
||
|
(PyGreenlet *self, PyObject *typ, PyObject *val, PyObject *tb)) \
|
||
|
_PyGreenlet_API[PyGreenlet_Throw_NUM])
|
||
|
|
||
|
/*
|
||
|
* PyGreenlet_Switch(PyGreenlet *greenlet, PyObject *args)
|
||
|
*
|
||
|
* g.switch(*args, **kwargs)
|
||
|
*/
|
||
|
#define PyGreenlet_Switch \
|
||
|
(* (PyObject * (*)(PyGreenlet *greenlet, PyObject *args, PyObject *kwargs)) \
|
||
|
_PyGreenlet_API[PyGreenlet_Switch_NUM])
|
||
|
|
||
|
/*
|
||
|
* PyGreenlet_SetParent(PyObject *greenlet, PyObject *new_parent)
|
||
|
*
|
||
|
* g.parent = new_parent
|
||
|
*/
|
||
|
#define PyGreenlet_SetParent \
|
||
|
(* (int (*)(PyGreenlet *greenlet, PyGreenlet *nparent)) \
|
||
|
_PyGreenlet_API[PyGreenlet_SetParent_NUM])
|
||
|
|
||
|
/* Macro that imports greenlet and initializes C API */
|
||
|
#ifdef GREENLET_USE_PYCAPSULE
|
||
|
#define PyGreenlet_Import() \
|
||
|
{ \
|
||
|
_PyGreenlet_API = (void**)PyCapsule_Import("greenlet._C_API", 0); \
|
||
|
}
|
||
|
#else
|
||
|
#define PyGreenlet_Import() \
|
||
|
{ \
|
||
|
PyObject *module = PyImport_ImportModule("greenlet"); \
|
||
|
if (module != NULL) { \
|
||
|
PyObject *c_api_object = PyObject_GetAttrString( \
|
||
|
module, "_C_API"); \
|
||
|
if (c_api_object != NULL && PyCObject_Check(c_api_object)) { \
|
||
|
_PyGreenlet_API = \
|
||
|
(void **) PyCObject_AsVoidPtr(c_api_object); \
|
||
|
Py_DECREF(c_api_object); \
|
||
|
} \
|
||
|
Py_DECREF(module); \
|
||
|
} \
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif /* GREENLET_MODULE */
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
#endif /* !Py_GREENLETOBJECT_H */
|