LibThread::SyncVar< T > Class Template Reference

#include <syncvar.h>

Public Member Functions
	SyncVar ()
void	write (T &value)
void	read (T &result)
bool	try_read (T &result)

Private Attributes
Lock	lock
ConditionVariable	cond
int	waiting
bool	init
T	value

Detailed Description

template<typename T>
class LibThread::SyncVar< T >

Definition at line 11 of file syncvar.h.

Constructor & Destructor Documentation

SyncVar()

template<typename T >

LibThread::SyncVar< T >::SyncVar ( )

inline

Definition at line 19 of file syncvar.h.

            : lock(), cond(&lock), waiting(0), init(false) {
  }

Member Function Documentation

read()

template<typename T >

void LibThread::SyncVar< T >::read ( T &  result )

inline

Definition at line 31 of file syncvar.h.

                       {
    lock.lock();
    waiting++;
    while (!init)
      cond.wait();
    waiting--;
    if (waiting)
      cond.signal();
    lock.unlock();
  }

try_read()

template<typename T >

bool LibThread::SyncVar< T >::try_read ( T &  result )

inline

Definition at line 41 of file syncvar.h.

                           {
    bool success;
    lock.lock();
    success = init;
    if (success) {
      result = value;
    }
    lock.unlock();
    return success;
  }

write()

template<typename T >

void LibThread::SyncVar< T >::write ( T &  value )

inline

Definition at line 21 of file syncvar.h.

                       {
    lock.lock();
    if (!init) {
      this->value = value;
      this->init = true;
    }
    if (waiting)
      cond.signal();
    lock.unlock();
  }

Field Documentation

cond

template<typename T >

ConditionVariable LibThread::SyncVar< T >::cond

private

Definition at line 14 of file syncvar.h.

init

template<typename T >

bool LibThread::SyncVar< T >::init

private

Definition at line 16 of file syncvar.h.

lock

template<typename T >

Lock LibThread::SyncVar< T >::lock

private

Definition at line 13 of file syncvar.h.

value

template<typename T >

T LibThread::SyncVar< T >::value

private

Definition at line 17 of file syncvar.h.

waiting

template<typename T >

int LibThread::SyncVar< T >::waiting

private

Definition at line 15 of file syncvar.h.

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The documentation for this class was generated from the following file:

• Singular/dyn_modules/systhreads/syncvar.h