libcruft-util/threads/spinlock_posix.cpp

56 lines
1.4 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#include "spinlock.hpp"
#include "except.hpp"
using util::threads::spinlock;
///////////////////////////////////////////////////////////////////////////////
spinlock::spinlock ()
{
auto err = pthread_spin_init (&m_id, PTHREAD_PROCESS_PRIVATE);
errno_error::try_code (err);
}
//-----------------------------------------------------------------------------
spinlock::~spinlock ()
{
auto err = pthread_spin_destroy (&m_id);
errno_error::try_code (err);
}
///////////////////////////////////////////////////////////////////////////////
void
spinlock::lock (void)
{
auto err = pthread_spin_lock (&m_id);
errno_error::try_code (err);
}
//-----------------------------------------------------------------------------
void
spinlock::unlock (void)
{
auto err = pthread_spin_unlock (&m_id);
errno_error::try_code (err);
}