// if blocking, then addJob() blocks when queue is full
// otherwise, addJob() simply returns false when queue is full
ThrPool::ThrPool(size_t sz, bool blocking)
-: nthreads_(sz),blockadd_(blocking),jobq_(100*sz)
-{
- for (size_t i=0; i<nthreads_; i++)
+: nthreads_(sz),blockadd_(blocking),jobq_(100*sz) {
+ for (size_t i=0; i<nthreads_; i++)
th_.emplace_back(&ThrPool::do_worker, this);
}
// IMPORTANT: this function can be called only when no external thread
// will ever use this thread pool again or is currently blocking on it
-ThrPool::~ThrPool()
-{
- for (size_t i=0; i<nthreads_; i++)
- jobq_.enq(job_t());
+ThrPool::~ThrPool() {
+ for (size_t i=0; i<nthreads_; i++)
+ jobq_.enq(job_t());
- for (size_t i=0; i<nthreads_; i++)
+ for (size_t i=0; i<nthreads_; i++)
th_[i].join();
}
-bool
-ThrPool::addJob(const job_t &j)
-{
- return jobq_.enq(j,blockadd_);
+bool ThrPool::addJob(const job_t &j) {
+ return jobq_.enq(j,blockadd_);
}
-void
-ThrPool::do_worker()
-{
+void ThrPool::do_worker() {
job_t j;
- while (1) {
+ while (1) {
jobq_.deq(&j);
- if (!j)
- break;
- j();
- }
+ if (!j)
+ break;
+ j();
+ }
}