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include
ola
thread
Mutex.h
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Mutex.h
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* A thread object.
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* Copyright (C) 2010 Simon Newton
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*/
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#ifndef INCLUDE_OLA_THREAD_MUTEX_H_
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#define INCLUDE_OLA_THREAD_MUTEX_H_
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#include <pthread.h>
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#include <ola/Clock.h>
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namespace
ola {
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namespace
thread {
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class
Mutex
{
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public
:
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friend
class
ConditionVariable
;
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Mutex
();
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~Mutex
();
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void
Lock
();
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bool
TryLock
();
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void
Unlock
();
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private
:
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pthread_mutex_t m_mutex;
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Mutex
(
const
Mutex
&);
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Mutex
& operator=(
const
Mutex
&);
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};
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class
MutexLocker
{
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public
:
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explicit
MutexLocker
(
Mutex
*mutex);
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~MutexLocker
();
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private
:
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Mutex
*m_mutex;
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MutexLocker
(
const
MutexLocker
&);
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MutexLocker
& operator=(
const
MutexLocker
&);
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};
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class
ConditionVariable
{
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public
:
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ConditionVariable
();
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~ConditionVariable
();
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void
Wait
(
Mutex
*mutex);
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bool
TimedWait
(
Mutex
*mutex,
const
ola::TimeStamp
&wake_up_time);
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void
Signal
();
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void
Broadcast
();
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private
:
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pthread_cond_t m_condition;
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ConditionVariable
(
const
ConditionVariable
&);
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ConditionVariable
& operator=(
const
ConditionVariable
&);
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};
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}
// namespace thread
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}
// namespace ola
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#endif // INCLUDE_OLA_THREAD_MUTEX_H_
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