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Thread.cpp
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130 lines (114 loc) · 3.14 KB
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/*
Copyright 2009-2020, Sumeet Chhetri
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.
*/
/*
* Thread.cpp
*
* Created on: 10-Aug-2012
* Author: sumeetc
*/
#include "Thread.h"
void* Thread::_service(void* arg)
{
ThreadFunctor* threadFunctor = static_cast<ThreadFunctor*>(arg);
void* ret = threadFunctor->f(threadFunctor->arg);
Thread* _t = threadFunctor->_t;
delete _t;
pthread_exit(NULL);
return ret;
}
Thread::Thread(const ThreadFunc& f, void* arg, const bool& isDetached /*= true*/) {
#ifndef OS_MINGW
this->pthread = 0;
#endif
this->isDetached = isDetached;
this->threadFunctor = new ThreadFunctor();
this->threadFunctor->_t = this;
this->threadFunctor->f = f;
this->threadFunctor->arg = arg;
pthread_mutex_init(&mut, NULL);
pthread_cond_init(&cond, NULL);
}
Thread::~Thread() {
//pthread_join(pthread, NULL);
pthread_mutex_destroy(&mut);
pthread_cond_destroy(&cond);
delete threadFunctor;
}
void Thread::join() {
if(!isDetached && pthread_join(pthread, NULL)) {
perror("pthread_join");
throw std::runtime_error("Error in join for pthread");
}
}
void Thread::nSleep(const long& nanos) {
struct timespec deadline = {0};
deadline.tv_sec = 0;
deadline.tv_nsec = nanos;
nanosleep(&deadline , (struct timespec *)NULL);
}
void Thread::uSleep(const long& micros) {
struct timespec deadline = {0};
if(micros>=1000000) {
deadline.tv_sec = micros/1000000;
deadline.tv_nsec = micros%1000000 * 1000;
} else {
deadline.tv_nsec = micros * 1000;
}
nanosleep(&deadline, NULL);
}
void Thread::mSleep(const long& milis) {
struct timespec deadline = {0};
if(milis>=1000) {
deadline.tv_sec = milis/1000;
deadline.tv_nsec = milis%1000 * 1000000;
} else {
deadline.tv_nsec = milis * 1000000;
}
nanosleep(&deadline, NULL);
}
void Thread::sSleep(const long& seconds) {
sleep(seconds);
}
void Thread::wait() {
pthread_mutex_lock(&mut);
pthread_cond_wait(&cond, &mut);
pthread_mutex_unlock(&mut);
}
void Thread::execute(int cid) {
if(pthread_create(&pthread, NULL, _service, this->threadFunctor)) {
perror("pthread_create");
throw std::runtime_error("Error Creating pthread");
}
if(isDetached) {
pthread_detach(pthread);
}
#if !defined(CYGWIN) && !defined(OS_MINGW) && !defined(OS_ANDROID) && !defined(OS_SOLARIS) && !defined(EMSCRIPTEN)
if(cid>=0) {
#ifdef OS_BSD
cpuset_t cpuset;
#else
cpu_set_t cpuset;
#endif
CPU_ZERO(&cpuset);
CPU_SET(cid, &cpuset);
if (pthread_setaffinity_np(pthread, sizeof(cpuset), &cpuset) != 0) {
//throw std::runtime_error("pthread_setaffinity_np");
}
}
#endif
}
void Thread::interrupt() {
pthread_mutex_lock(&mut);
pthread_cond_broadcast(&cond);
pthread_mutex_unlock(&mut);
}