Latch provides a means for synchronizing multiple threads that waits for the latch count to be decremented to zero. More...
#include <Latch.h>


Public Member Functions | |
| Latch (int num) | |
| Latch (size_t num) | |
| void | set (int num) |
| void | count_up () |
| bool | count_down () |
| bool | is_ready () const |
| void | wait () |
| virtual void | release () |
| int | count () const |
Public Member Functions inherited from vsg::Inherit< Object, Latch > | |
| Inherit (Args &&... args) | |
| std::size_t | sizeofObject () const noexcept override |
| const char * | className () const noexcept override |
| const std::type_info & | type_info () const noexcept override |
| bool | is_compatible (const std::type_info &type) const noexcept override |
| int | compare (const Object &rhs) const override |
| void | accept (Visitor &visitor) override |
| void | accept (ConstVisitor &visitor) const override |
| void | accept (RecordTraversal &visitor) const override |
Public Member Functions inherited from vsg::Object | |
| Object (const Object &object, const CopyOp ©op={}) | |
| Object & | operator= (const Object &) |
| template<class T> | |
| T * | cast () |
| template<class T> | |
| const T * | cast () const |
| virtual ref_ptr< Object > | clone (const CopyOp ©op={}) const |
| virtual void | traverse (Visitor &) |
| virtual void | traverse (ConstVisitor &) const |
| virtual void | traverse (RecordTraversal &) const |
| virtual void | read (Input &input) |
| virtual void | write (Output &output) const |
| void | ref () const noexcept |
| void | unref () const noexcept |
| void | unref_nodelete () const noexcept |
| unsigned int | referenceCount () const noexcept |
| template<typename T> | |
| void | setValue (const std::string &key, const T &value) |
| void | setValue (const std::string &key, const char *value) |
| specialization of setValue to handle passing C strings | |
| template<typename T> | |
| bool | getValue (const std::string &key, T &value) const |
| get specified value type, return false if value associated with key is not assigned or is not the correct type | |
| void | setObject (const std::string &key, ref_ptr< Object > object) |
| assign an Object associated with key | |
| Object * | getObject (const std::string &key) |
| get Object pointer associated with key, return nullptr if no object associated with key has been assigned | |
| const Object * | getObject (const std::string &key) const |
| get const Object pointer associated with key, return nullptr if no object associated with key has been assigned | |
| template<class T> | |
| T * | getObject (const std::string &key) |
| get object pointer of specified type associated with key, return nullptr if no object associated with key has been assigned | |
| template<class T> | |
| const T * | getObject (const std::string &key) const |
| get const object pointer of specified type associated with key, return nullptr if no object associated with key has been assigned | |
| ref_ptr< Object > | getRefObject (const std::string &key) |
| get ref_ptr<Object> associated with key, return nullptr if no object associated with key has been assigned | |
| ref_ptr< const Object > | getRefObject (const std::string &key) const |
| get ref_ptr<const Object> pointer associated with key, return nullptr if no object associated with key has been assigned | |
| template<class T> | |
| ref_ptr< T > | getRefObject (const std::string &key) |
| get ref_ptr<T> of specified type associated with key, return nullptr if no object associated with key has been assigned | |
| template<class T> | |
| const ref_ptr< const T > | getRefObject (const std::string &key) const |
| get ref_ptr<const T> of specified type associated with key, return nullptr if no object associated with key has been assigned | |
| void | removeObject (const std::string &key) |
| remove meta object or value associated with key | |
| Auxiliary * | getOrCreateAuxiliary () |
| Auxiliary * | getAuxiliary () |
| const Auxiliary * | getAuxiliary () const |
Protected Attributes | |
| std::atomic_int | _count |
| std::mutex | _mutex |
| std::condition_variable | _cv |
Additional Inherited Members | |
Static Public Member Functions inherited from vsg::Inherit< Object, Latch > | |
| static ref_ptr< Latch > | create (Args &&... args) |
| static ref_ptr< Latch > | create_if (bool flag, Args &&... args) |
Static Public Member Functions inherited from vsg::Object | |
| static ref_ptr< Object > | create () |
| static ref_ptr< Object > | create_if (bool flag) |
| static void * | operator new (std::size_t count) |
| provide new and delete to enable custom memory management via the vsg::Allocator singleton, using the MEMORY_AFFINTY_OBJECTS | |
| static void | operator delete (void *ptr) |
Protected Member Functions inherited from vsg::Object | |
| virtual void | _attemptDelete () const |
| void | setAuxiliary (Auxiliary *auxiliary) |
Latch provides a means for synchronizing multiple threads that waits for the latch count to be decremented to zero.