Minor fixes

- Fix include error in httpd.hpp.
- Fix threadpool zero workers with 1 core.

src/httpd.hpp

@@ -6,6 +6,8 @@
 #include <unordered_map>
 #include <functional>
 
+#include <netinet/in.h>
+
 #include "http_err.hpp"
 #include "http_request.hpp"
 #include "http_response.hpp"

src/threadpool.cpp

@@ -21,6 +21,8 @@ Threadpool::Threadpool(int _numberOfWorkers, int _maxQueueBacklog)
         // is double the amount of physical cores. So on a modern machine with hyperthreading
         // the number of worker threads will be equivalent to the number of "real" cpu cores
         numberOfWorkers = std::thread::hardware_concurrency() / 2;
+
+        if (numberOfWorkers < 1) numberOfWorkers = 1;
     }
 
     if (maxQueueBacklog != DISABLE_MAX_QUEUE_BACKLOG)