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- /* -*- indent-tabs-mode: nil; tab-width: 4; -*- */
- /* Greenlet object interface */
- #ifndef Py_GREENLETOBJECT_H
- #define Py_GREENLETOBJECT_H
- #include <Python.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* This is deprecated and undocumented. It does not change. */
- #define GREENLET_VERSION "1.0.0"
- 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;
- #if PY_VERSION_HEX >= 0x030700A3
- _PyErr_StackItem* exc_info;
- _PyErr_StackItem exc_state;
- #else
- PyObject* exc_type;
- PyObject* exc_value;
- PyObject* exc_traceback;
- #endif
- PyObject* dict;
- #if PY_VERSION_HEX >= 0x030700A3
- PyObject* context;
- #endif
- #if PY_VERSION_HEX >= 0x30A00B1
- CFrame* cframe;
- #endif
- } 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)
- /* 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 */
- /* NOTE: This has actually moved to ``greenlet._greenlet._C_API``, but we
- keep the older definition to be sure older code that might have a copy of
- the header still works. */
- # define PyGreenlet_Import() \
- { \
- _PyGreenlet_API = (void**)PyCapsule_Import("greenlet._C_API", 0); \
- }
- #endif /* GREENLET_MODULE */
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_GREENLETOBJECT_H */
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