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#ifndef Py_COBJECT_H | ||
#define Py_COBJECT_H | ||
#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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/*********************************************************** | ||
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, | ||
The Netherlands. | ||
All Rights Reserved | ||
Permission to use, copy, modify, and distribute this software and its | ||
documentation for any purpose and without fee is hereby granted, | ||
provided that the above copyright notice appear in all copies and that | ||
both that copyright notice and this permission notice appear in | ||
supporting documentation, and that the names of Stichting Mathematisch | ||
Centrum or CWI not be used in advertising or publicity pertaining to | ||
distribution of the software without specific, written prior permission. | ||
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO | ||
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | ||
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE | ||
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | ||
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
******************************************************************/ | ||
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/* 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. | ||
*/ | ||
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extern DL_IMPORT(PyTypeObject) PyCObject_Type; | ||
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#define PyCObject_Check(op) ((op)->ob_type == &PyCObject_Type) | ||
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/* 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. | ||
*/ | ||
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extern PyObject * | ||
PyCObject_FromVoidPtr Py_PROTO((void *cobj, void (*destruct)(void*))); | ||
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/* Retrieve a pointer to a C object from a PyCObject. */ | ||
extern void * | ||
PyCObject_AsVoidPtr Py_PROTO((PyObject *)); | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
#endif /* !Py_COBJECT_H */ |
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/*********************************************************** | ||
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, | ||
The Netherlands. | ||
All Rights Reserved | ||
Permission to use, copy, modify, and distribute this software and its | ||
documentation for any purpose and without fee is hereby granted, | ||
provided that the above copyright notice appear in all copies and that | ||
both that copyright notice and this permission notice appear in | ||
supporting documentation, and that the names of Stichting Mathematisch | ||
Centrum or CWI not be used in advertising or publicity pertaining to | ||
distribution of the software without specific, written prior permission. | ||
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO | ||
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | ||
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE | ||
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | ||
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
******************************************************************/ | ||
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/* Wrap void* pointers to be passed between C modules */ | ||
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#include "Python.h" | ||
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/* Declarations for objects of type PyCObject */ | ||
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typedef struct { | ||
PyObject_HEAD | ||
void *cobject; | ||
void (*destructor)(void *); | ||
} PyCObject; | ||
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PyObject * | ||
PyCObject_FromVoidPtr(cobj, destr) | ||
void *cobj; | ||
void (*destr)(void *); | ||
{ | ||
PyCObject *self; | ||
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self = PyObject_NEW(PyCObject, &PyCObject_Type); | ||
if (self == NULL) | ||
return NULL; | ||
self->cobject=cobj; | ||
self->destructor=destr; | ||
return (PyObject *)self; | ||
} | ||
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void * | ||
PyCObject_AsVoidPtr(self) | ||
PyObject *self; | ||
{ | ||
return ((PyCObject *)self)->cobject; | ||
} | ||
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static void | ||
PyCObject_dealloc(self) | ||
PyCObject *self; | ||
{ | ||
if(self->destructor) (self->destructor)(self->cobject); | ||
PyMem_DEL(self); | ||
} | ||
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static char PyCObject_Type__doc__[] = | ||
"C objects to be exported from one extension module to another\n" | ||
"\n" | ||
"C objects are used for communication between extension modules. They\n" | ||
"provide a way for an extension module to export a C interface to other\n" | ||
"extension modules, so that extension modules can use the Python import\n" | ||
"mechanism to link to one another.\n" | ||
; | ||
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PyTypeObject PyCObject_Type = { | ||
PyObject_HEAD_INIT(&PyType_Type) | ||
0, /*ob_size*/ | ||
"PyCObject", /*tp_name*/ | ||
sizeof(PyCObject), /*tp_basicsize*/ | ||
0, /*tp_itemsize*/ | ||
/* methods */ | ||
(destructor)PyCObject_dealloc, /*tp_dealloc*/ | ||
(printfunc)0, /*tp_print*/ | ||
(getattrfunc)0, /*tp_getattr*/ | ||
(setattrfunc)0, /*tp_setattr*/ | ||
(cmpfunc)0, /*tp_compare*/ | ||
(reprfunc)0, /*tp_repr*/ | ||
0, /*tp_as_number*/ | ||
0, /*tp_as_sequence*/ | ||
0, /*tp_as_mapping*/ | ||
(hashfunc)0, /*tp_hash*/ | ||
(ternaryfunc)0, /*tp_call*/ | ||
(reprfunc)0, /*tp_str*/ | ||
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/* Space for future expansion */ | ||
0L,0L,0L,0L, | ||
PyCObject_Type__doc__ /* Documentation string */ | ||
}; |