本文整理汇总了C++中msg_t::refcnt方法的典型用法代码示例。如果您正苦于以下问题：C++ msg_t::refcnt方法的具体用法？C++ msg_t::refcnt怎么用？C++ msg_t::refcnt使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类msg_t的用法示例。
在下文中一共展示了msg_t::refcnt方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: close
int zmq::msg_t::copy (msg_t &src_)
{
// Check the validity of the source.
if (unlikely (!src_.check ())) {
errno = EFAULT;
return -1;
}
int rc = close ();
if (unlikely (rc < 0))
return rc;
if (src_.u.base.type == type_lmsg ) {
// One reference is added to shared messages. Non-shared messages
// are turned into shared messages and reference count is set to 2.
if (src_.u.lmsg.flags & msg_t::shared)
src_.u.lmsg.content->refcnt.add (1);
else {
src_.u.lmsg.flags |= msg_t::shared;
src_.u.lmsg.content->refcnt.set (2);
}
}
if (src_.is_zcmsg()) {
// One reference is added to shared messages. Non-shared messages
// are turned into shared messages and reference count is set to 2.
if (src_.u.zclmsg.flags & msg_t::shared)
src_.refcnt()->add (1);
else {
src_.u.zclmsg.flags |= msg_t::shared;
src_.refcnt()->set (2);
}
}
if (src_.u.base.metadata != NULL)
src_.u.base.metadata->add_ref ();
*this = src_;
return 0;
}