Function makeObjectShared

src/object.cpp:77–82

Set a special refcount in the object to make it "shared": * incrRefCount and decrRefCount() will test for this special refcount * and will not touch the object. This way it is free to access shared * objects such as small integers from different threads without any * mutex. * * A common patter to create shared objects: * * robj *myobject = makeObjectShared(createObject(...)); * */

 *
 */
robj *makeObjectShared(robj *o) {
    serverAssert(o->getrefcount(std::memory_order_relaxed) == 1);
    serverAssert(!o->FExpires());
    o->setrefcount(OBJ_SHARED_REFCOUNT);
    return o;
}

robj *makeObjectShared(const char *rgch, size_t cch)
{