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mirror of https://github.com/python/cpython.git synced 2024-11-25 09:39:56 +01:00
cpython/Include/cobject.h
2000-06-30 23:50:40 +00:00

71 lines
2.3 KiB
C

#ifndef Py_COBJECT_H
#define Py_COBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.
All Rights Reserved
Copyright (c) 2000, BeOpen.com.
Copyright (c) 1995-2000, Corporation for National Research Initiatives.
Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
All rights reserved.
See the file "Misc/COPYRIGHT" for information on usage and
redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
******************************************************************/
/* C objects to be exported from one extension module to another.
C objects are used for communication between extension modules.
They provide a way for an extension module to export a C interface
to other extension modules, so that extension modules can use the
Python import mechanism to link to one another.
*/
extern DL_IMPORT(PyTypeObject) PyCObject_Type;
#define PyCObject_Check(op) ((op)->ob_type == &PyCObject_Type)
/* Create a PyCObject from a pointer to a C object and an optional
destrutor function. If the second argument is non-null, then it
will be called with the first argument if and when the PyCObject is
destroyed.
*/
extern DL_IMPORT(PyObject *)
PyCObject_FromVoidPtr Py_PROTO((void *cobj, void (*destruct)(void*)));
/* Create a PyCObject from a pointer to a C object, a description object,
and an optional destrutor function. If the third argument is non-null,
then it will be called with the first and second arguments if and when
the PyCObject is destroyed.
*/
extern DL_IMPORT(PyObject *)
PyCObject_FromVoidPtrAndDesc Py_PROTO((void *cobj, void *desc,
void (*destruct)(void*,void*)));
/* Retrieve a pointer to a C object from a PyCObject. */
extern DL_IMPORT(void *)
PyCObject_AsVoidPtr Py_PROTO((PyObject *));
/* Retrieve a pointer to a description object from a PyCObject. */
extern DL_IMPORT(void *)
PyCObject_GetDesc Py_PROTO((PyObject *));
/* Import a pointer to a C object from a module using a PyCObject. */
extern DL_IMPORT(void *)
PyCObject_Import Py_PROTO((char *module_name, char *cobject_name));
#ifdef __cplusplus
}
#endif
#endif /* !Py_COBJECT_H */