Avoid exceptions

src/connection_registry.cpp

@@ -1,15 +1,16 @@
 #include "connection_registry.hpp"
 #include "connection.hpp"
 #include <atomic>
+#include <cstdlib>
 #include <cstring>
-#include <stdexcept>
 #include <unistd.h>
 
 ConnectionRegistry::ConnectionRegistry() : connections_(nullptr), max_fds_(0) {
   // Get the process file descriptor limit
   struct rlimit rlim;
   if (getrlimit(RLIMIT_NOFILE, &rlim) == -1) {
-    throw std::runtime_error("Failed to get RLIMIT_NOFILE");
+    perror("getrlimit");
+    std::abort();
   }
   max_fds_ = rlim.rlim_cur;
 
@@ -25,7 +26,8 @@ ConnectionRegistry::ConnectionRegistry() : connections_(nullptr), max_fds_(0) {
            MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
 
   if (connections_ == MAP_FAILED) {
-    throw std::runtime_error("Failed to mmap for connection registry");
+    perror("mmap");
+    std::abort();
   }
 
   // Store aligned size for munmap