Condition Class Reference

#include <Sync.h>

Collaboration diagram for Condition:

Public Member Functions
	Condition (Mutex &mutex)
	~Condition ()
bool	IsOk () const
int	Wait ()
int	Signal ()
int	Broadcast ()

Private Attributes
Mutex &	m_mutex
pthread_cond_t	m_cond
bool	m_isOk

Detailed Description

Definition at line 47 of file Sync.h.

Constructor & Destructor Documentation

Condition

(

Mutex &

mutex

)

Definition at line 116 of file Sync.C.

References m_cond, and m_isOk.

: m_mutex(mutex)
{
  int err = pthread_cond_init(&m_cond, NULL);

  m_isOk = (err == 0);

  if (!m_isOk) {
    std::cerr << "Condition::Condition(): pthread_cond_init() returned " << err
              << std::endl;
  }
}

~Condition

(

)

Definition at line 129 of file Sync.C.

References COMMPI_Initialized(), m_cond, and m_isOk.

{
  if (m_isOk) {
    int err = pthread_cond_destroy(&m_cond);
    if (err != 0 && !COMMPI_Initialized()) {
      std::cerr << "Condition::~Condition(): pthread_cond_destroy() returned "
                << err << std::endl;
    }
  }
}

Here is the call graph for this function:

Member Function Documentation

int Broadcast

(

)

Definition at line 160 of file Sync.C.

References m_cond.

{
  int err = pthread_cond_broadcast(&m_cond);
  if (err != 0)
    std::cerr << "Condition::Broadcast(): pthread_cond_broadcast() returned "
              << err << std::endl;

  return err;
}

bool IsOk ( ) const

inline

Definition at line 53 of file Sync.h.

References Mutex::IsOk(), m_isOk, and m_mutex.

Referenced by Semaphore::Semaphore().

{ return (m_isOk && m_mutex.IsOk()); }

Here is the call graph for this function:

Here is the caller graph for this function:

int Signal

(

)

Definition at line 150 of file Sync.C.

References m_cond.

Referenced by Semaphore::Post().

{
  int err = pthread_cond_signal(&m_cond);
  if (err != 0)
    std::cerr << "Condition::Signal(): pthread_cond_signal() returned " << err
              << std::endl;

  return err;
}

Here is the caller graph for this function:

int Wait

(

)

Definition at line 140 of file Sync.C.

References m_cond, Mutex::m_mutex, and m_mutex.

Referenced by Semaphore::Wait().

{
  int err = pthread_cond_wait(&m_cond, &(m_mutex.m_mutex));
  if (err != 0)
    std::cerr << "Condition::Wait(): pthread_cond_wait() returned " << err
              << std::endl;

  return err;
}

Here is the caller graph for this function:

Member Data Documentation

pthread_cond_t m_cond

private

Definition at line 61 of file Sync.h.

Referenced by Broadcast(), Condition(), Signal(), Wait(), and ~Condition().

bool m_isOk

private

Definition at line 62 of file Sync.h.

Referenced by Condition(), IsOk(), and ~Condition().

Mutex& m_mutex

private

Definition at line 60 of file Sync.h.

Referenced by IsOk(), and Wait().

---

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

• Sync.h
• Sync.C