ThreadSafe.cpp

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/*
 * This file is a part of the Biology project by eons LLC.
 * Biology (aka Develop Biology) is a framework for approaching software
 * development from a natural sciences perspective.
 *
 * Copyright (C) 2021 Séon O'Shannon & eons LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "bio/common/ThreadSafe.h"
 
namespace bio {
 
ThreadSafe::ThreadSafe()
//@formatter:off
    #if BIO_CPP_VERSION < 11
    #else
        :
        m_mutex(),
        m_lock(m_mutex, std::defer_lock)
    #endif
    //@formatter:on
{
    //@formatter:off
    #if BIO_CPP_VERSION < 11
        #ifdef BIO_OS_IS_LINUX
            pthread_mutexattr_t mutexattr;
            pthread_mutexattr_init(&mutexattr);
            pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_RECURSIVE);
            pthread_mutex_init(&m_lock, &mutexattr);
        #endif
    #else
    #endif
    //@formatter:on
}
 
ThreadSafe::ThreadSafe(const ThreadSafe& toCopy)
//@formatter:off
    #if BIO_CPP_VERSION < 11
    #else
        :
        m_mutex(),
        m_lock(m_mutex, std::defer_lock)
    #endif
    //@formatter:on
{
    //@formatter:off
    #if BIO_CPP_VERSION < 11
        #ifdef BIO_OS_IS_LINUX
            pthread_mutexattr_t mutexattr;
            pthread_mutexattr_init(&mutexattr);
            pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_RECURSIVE);
            pthread_mutex_init(&m_lock, &mutexattr);
        #endif
    #else
    #endif
    //@formatter:on
}
 
ThreadSafe::~ThreadSafe()
{
    //@formatter:off
    #if BIO_CPP_VERSION < 11
        #ifdef BIO_OS_IS_LINUX
            pthread_mutex_destroy(&m_lock);
        #endif
    #else
    #endif
    //@formatter:on
}
 
void ThreadSafe::LockThread() const
{
    //@formatter:off
    #if BIO_CPP_VERSION < 11
        #ifdef BIO_OS_IS_LINUX
            pthread_mutex_lock(&m_lock);
        #endif
    #else
        m_lock.lock();
    #endif
    //@formatter:on
}
 
void ThreadSafe::UnlockThread() const
{
    //@formatter:off
    #if BIO_CPP_VERSION < 11
        #ifdef BIO_OS_IS_LINUX
            pthread_mutex_unlock(&m_lock);
        #endif
    #else
        m_lock.unlock();
    #endif
    //@formatter:on
}
 
} //bio namespaace