move requests to global threadpool

src/util/threadpool.cpp

@@ -1,15 +1,18 @@
 #include <llmr/util/threadpool.hpp>
+#include <thread>
 
 using namespace llmr::util;
 
+std::unique_ptr<Threadpool> llmr::util::threadpool = std::make_unique<Threadpool>(std::thread::hardware_concurrency());
+
 Threadpool::Threadpool(int max_workers)
     : max_workers(max_workers) {
 }
 
 void Threadpool::add(Callback callback, void *data) {
     if (worker_count < max_workers) {
-        workers.emplace_front(*this);
         worker_count++;
+        workers.emplace_front(*this, std::string("worker ") + std::to_string(worker_count));
     }
 
     pthread_mutex_lock(&mutex);
@@ -18,8 +21,9 @@ void Threadpool::add(Callback callback, void *data) {
     pthread_cond_signal(&condition);
 }
 
-Threadpool::Worker::Worker(Threadpool& pool)
-    : pool(pool) {
+Threadpool::Worker::Worker(Threadpool& pool, const std::string name)
+    : pool(pool),
+      name(name) {
     pthread_create(&thread, nullptr, loop, (void *)this);
 }
 
@@ -32,7 +36,7 @@ void *Threadpool::Worker::loop(void *ptr) {
     Worker *worker = static_cast<Worker *>(ptr);
     Threadpool& pool = worker->pool;
 
-    pthread_setname_np("worker");
+    pthread_setname_np(worker->name.c_str());
     pthread_mutex_lock(&pool.mutex);
     while (true) {
         if (pool.tasks.size()) {