82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#include "condition.hpp"
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#include "except.hpp"
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using util::threads::condition;
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using util::threads::mutex;
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///////////////////////////////////////////////////////////////////////////////
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condition::condition ()
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{
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auto err = pthread_cond_init (&m_id, nullptr);
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errno_error::try_code (err);
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}
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//-----------------------------------------------------------------------------
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condition::~condition ()
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{
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auto err = pthread_cond_destroy (&m_id);
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errno_error::try_code (err);
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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condition::signal (void)
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{
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auto err = pthread_cond_signal (&m_id);
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errno_error::try_code (err);
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}
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//-----------------------------------------------------------------------------
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void
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condition::broadcast (void)
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{
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auto err = pthread_cond_broadcast (&m_id);
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errno_error::try_code (err);
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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condition::wait (mutex &m)
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{
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auto mutid = m.native ();
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auto err = pthread_cond_wait (&m_id, &mutid);
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errno_error::try_code (err);
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}
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//-----------------------------------------------------------------------------
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void
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condition::wait (mutex &m, std::chrono::nanoseconds t)
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{
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struct timespec abstime;
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abstime.tv_sec = std::chrono::duration_cast<std::chrono::seconds> (t).count ();
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abstime.tv_nsec = std::chrono::duration_cast<std::chrono::nanoseconds> (t).count ();
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auto mutid = m.native ();
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auto err = pthread_cond_timedwait (&m_id, &mutid, &abstime);
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errno_error::try_code (err);
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}
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