105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
/*
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* ebusd - daemon for communication with eBUS heating systems.
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* Copyright (C) 2014-2017 John Baier <ebusd@ebusd.eu>, Roland Jax 2012-2014 <ebusd@liwest.at>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "lib/utils/thread.h"
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#include "lib/utils/clock.h"
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void* Thread::runThread(void* arg) {
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reinterpret_cast<Thread*>(arg)->enter();
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return NULL;
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}
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Thread::~Thread() {
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if (m_started) {
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pthread_cancel(m_threadid);
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pthread_detach(m_threadid);
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}
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}
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bool Thread::start(const char* name) {
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int result = pthread_create(&m_threadid, NULL, runThread, this);
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if (result == 0) {
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#ifdef HAVE_PTHREAD_SETNAME_NP
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#ifndef __MACH__
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pthread_setname_np(m_threadid, name);
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#endif
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#endif
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m_started = true;
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return true;
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}
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return false;
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}
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bool Thread::join() {
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int result = -1;
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if (m_started) {
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m_stopped = true;
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result = pthread_join(m_threadid, NULL);
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if (result == 0) {
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m_started = false;
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}
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}
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return result == 0;
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}
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void Thread::enter() {
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m_running = true;
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run();
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m_running = false;
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}
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WaitThread::WaitThread()
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: Thread() {
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pthread_mutex_init(&m_mutex, NULL);
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pthread_cond_init(&m_cond, NULL);
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}
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WaitThread::~WaitThread() {
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pthread_mutex_destroy(&m_mutex);
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pthread_cond_destroy(&m_cond);
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}
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void WaitThread::stop() {
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pthread_mutex_lock(&m_mutex);
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pthread_cond_signal(&m_cond);
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pthread_mutex_unlock(&m_mutex);
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Thread::stop();
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}
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bool WaitThread::join() {
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pthread_mutex_lock(&m_mutex);
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pthread_cond_signal(&m_cond);
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pthread_mutex_unlock(&m_mutex);
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return Thread::join();
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}
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bool WaitThread::Wait(int seconds) {
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struct timespec t;
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clockGettime(&t);
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t.tv_sec += seconds;
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pthread_mutex_lock(&m_mutex);
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pthread_cond_timedwait(&m_cond, &m_mutex, &t);
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pthread_mutex_unlock(&m_mutex);
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return isRunning();
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}
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