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MySQL 8.4.6
Source Code Documentation
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Helper class for reference counting. More...
#include <my_ref_counted.h>
Public Member Functions | |
| my_ref_counted () | |
| default constructor More... | |
| my_ref_counted (my_ref_counted &other) | |
| copy constructor More... | |
| virtual | ~my_ref_counted () |
| uint64 | add_reference () |
| Increases a reference count. More... | |
| bool | release_reference (uint64 *new_count=nullptr) |
| Decreases a reference count. More... | |
| uint64 | get_reference_count () const |
| Returns the reference counter value. More... | |
Private Attributes | |
| std::atomic< uint64 > | m_count |
| the reference count value More... | |
Helper class for reference counting.
| my_ref_counted::my_ref_counted | ( | ) |
default constructor
| my_ref_counted::my_ref_counted | ( | my_ref_counted & | other | ) |
copy constructor
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virtualdefault |
| uint64 my_ref_counted::add_reference | ( | ) |
Increases a reference count.
| uint64 my_ref_counted::get_reference_count | ( | ) | const |
Returns the reference counter value.
Decreases a reference count.
Doesn't allow to decrease below 0.
| [out] | new_count | Pointer to variable to store new count. May be NULL. |
| false | success |
| true | Failure. Will be returned in case counter is already 0. |
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private |
the reference count value