--- a/seobeo/s_linux_network.c	Fri Oct 03 06:50:33 2025 -0700
+++ b/seobeo/s_linux_network.c	Fri Oct 03 09:55:51 2025 -0700
@@ -106,6 +106,7 @@
   p_handle->file = NULL;
   p_handle->text_copy = NULL;
   p_handle->file_name = NULL;
+  p_handle->destroyed = false;
 
   return p_handle;
 }
@@ -147,14 +148,23 @@
 
 void Seobeo_Handle_Destroy(Seobeo_PHandle p_handle)
 {
-  close(p_handle->socket);
-  free(p_handle->host);
-  free(p_handle->port);
-  free(p_handle->read_buffer);
-  free(p_handle->write_buffer);
-  free(p_handle->file);
-  free(p_handle->text_copy);
-  free(p_handle->file_name);
+  if (!p_handle) return;
+
+  bool expected = false;
+  if (!atomic_compare_exchange_strong(&p_handle->destroyed, &expected, true))
+  {
+    // Already destroyed by another thread
+    return;
+  }
+
+  if (p_handle->host) free(p_handle->host);
+  if (p_handle->port) free(p_handle->port);
+  if (p_handle->socket) close(p_handle->socket);
+  if (p_handle->read_buffer) free(p_handle->read_buffer);
+  if (p_handle->write_buffer) free(p_handle->write_buffer);
+  if (p_handle->text_copy) free(p_handle->text_copy);
+  if (p_handle->file_name) free(p_handle->file_name);
+
   free(p_handle);
 }