Commit 2564898d authored by gsamain's avatar gsamain

Separate utility code for cyobjects

parent 9e3aaa8e
/////////////// CyObjects.proto ///////////////
#if !defined(__GNUC__)
#define GCC_VERSION (__GNUC__ * 10000 \
+ __GNUC_MINOR__ * 100 \
+ __GNUC_PATCHLEVEL__)
/* Test for GCC > 4.9.0 */
#if GCC_VERSION < 40900
#error atomic.h works only with GCC newer than version 4.9
#endif /* GNUC >= 4.9 */
#endif /* Has GCC */
#ifdef __cplusplus
#if __cplusplus >= 201103L
#include <atomic>
using namespace std;
#define CyObject_ATOMIC_REFCOUNT_TYPE atomic_int
class CyObject {
private:
CyObject_ATOMIC_REFCOUNT_TYPE ob_refcnt;
public:
CyObject(): ob_refcnt(1) {}
virtual ~CyObject() {}
void CyObject_INCREF();
int CyObject_DECREF();
};
static inline int _Cy_DECREF(CyObject *op) {
return op->CyObject_DECREF();
}
static inline void _Cy_INCREF(CyObject *op) {
op->CyObject_INCREF();
}
/* Cast argument to CyObject* type. */
#define _CyObject_CAST(op) op
#define Cy_INCREF(op) do {if (op != NULL) {_Cy_INCREF(_CyObject_CAST(op));}} while(0)
#define Cy_DECREF(op) do {if (_Cy_DECREF(_CyObject_CAST(op))) {op = NULL;}} while(0)
#define Cy_XDECREF(op) do {if (op != NULL) {Cy_DECREF(op);}} while(0)
#define Cy_GOTREF(op)
#define Cy_XGOTREF(op)
#define Cy_GIVEREF(op)
#define Cy_XGIVEREF(op)
#endif
#endif
/////////////// CyObjects ///////////////
#ifdef __cplusplus
#include <cstdlib>
#include <cstddef>
// atomic is already included in ModuleSetupCode
// #include <atomic>
#else
#error C++ needed for cython+ nogil classes
#endif /* __cplusplus */
void CyObject::CyObject_INCREF()
{
atomic_fetch_add(&(this->ob_refcnt), 1);
}
int CyObject::CyObject_DECREF()
{
if (atomic_fetch_sub(&(this->ob_refcnt), 1) == 1) {
delete this;
return 1;
}
return 0;
}
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment