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- /* 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 */
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