feat(SIGTERM) is this not to global for you sir?

webserv/main.cpp

@@ -7,6 +7,7 @@
 #include <iostream> // for ios_base
 #include <string>   // for allocator, basic_string, char_traits, operator+, string
 #include <vector>   // for vector
+#include <csignal>
 
 int main(int argc, char **argv)
 {
@@ -37,6 +38,7 @@ int main(int argc, char **argv)
     Log::debug("ConfigManager initialized successfully.");
     Server server(configManager);
 
+    ::signal(SIGINT, Server::signalHandler);
     server.run();
     return 0;
 }

webserv/server/Server.cpp

@@ -25,9 +25,12 @@
 #include <sys/socket.h> // for send, SOMAXCONN
 #include <sys/types.h>  // for ssize_t
 #include <unistd.h>     // for close
+#include <csignal>
 
 class Router;
 
+volatile sig_atomic_t Server::stop_ = 0;
+
 Server::Server(const ConfigManager &configManager) : epoll_fd_(epoll_create1(O_CLOEXEC)), configManager_(configManager)
 {
     Log::trace(LOCATION);
@@ -269,6 +272,11 @@ void Server::handleEpoll(struct epoll_event *events, int max_events)
     int nfds = epoll_wait(epoll_fd_, events, max_events, 10); // NOLINT
     if (nfds == -1)
     {
+        if (errno == EINTR)
+        {
+            Log::debug("epoll_wait interrupted by signal, continuing...");
+            return;
+        }
         Log::error("epoll_wait failed");
         throw std::runtime_error("epoll_wait failed");
     }
@@ -306,8 +314,22 @@ void Server::run()
     struct epoll_event events[MAX_EVENTS]; // NOLINT
     while (true)
     {
+        if (stop_ != 0)
+        {
+            Log::info("Server stopping...");
+            break;
+        }
         pollSockets();
         pollClients();
         handleEpoll(events, MAX_EVENTS); // NOLINT (cppcoreguidelines-pro-bounds-pointer-arithmetic)
     }
+}
+
+void Server::signalHandler(int signum)
+{
+
+    if (signum == SIGINT)
+    {
+        stop_ = signum;
+    }
 }

webserv/server/Server.hpp

@@ -7,6 +7,7 @@
 #include <webserv/socket/ASocket.hpp>
 #include <webserv/socket/ServerSocket.hpp> // for ServerSocket
 
+#include <csignal>
 #include <cstdint>       // for uint32_t
 #include <memory>        // for unique_ptr
 #include <set>           // for set
@@ -31,6 +32,7 @@ class Server
     Server &operator=(Server &&other) noexcept = delete;
 
     ~Server();
+    static void signalHandler(int signum);
 
     void run();
     void add(ASocket &socket, Client *client = nullptr);
@@ -44,6 +46,7 @@ class Server
 
   private:
     int epoll_fd_;
+    static volatile sig_atomic_t stop_;
     const ConfigManager &configManager_;
     std::vector<std::unique_ptr<ServerSocket>> listeners_;
     std::set<int> listener_fds_;