void weakptr_study() {
{
std::shared_ptr<int> kid2(new int(5));
}
WDummy dd;
std::shared_ptr<WDummy> spr2 = dd.process();
std::shared_ptr<int> kid(new int(10));
std::weak_ptr<int> ptr1 = kid;
//std::cout << ptr1.use_count() << std::endl;
std::weak_ptr<int> ptr2;
{
std::shared_ptr<int> kid2(new int(10));
ptr2 = kid2;
}
if (ptr1.expired()) {
std::cout << "ptr1 dead" << std::endl;
}
if (ptr2.expired()) {
std::cout << "ptr2 dead" << std::endl;
}
// convert
std::shared_ptr<int> sptr2(ptr2);
//std::shared_ptr<int> sptr4 = ptr2;
auto sptr1 = ptr2.lock();
std::shared_ptr<int> sptr3 = ptr2.lock();
}
imm_ws()
{
register nodep wtop;
cursor = work_node(curr_workspace);
dec_block( N_IMM_BLOCK );
cursor = realcp( kid2((wtop = work_node(curr_workspace))) );
work_scursor(curr_workspace) = wtop;
work_debug(curr_workspace) = 0;
#ifdef GEM
do_gdupdate();
#endif
prep_r_window(); /* setup for debug */
}
