# Civetweb API Reference ### `mg_unlock_connection( conn );` ### Parameters | Parameter | Type | Description | | :--- | :--- | :--- | |**`conn`**|`struct mg_connection *`|Connection to remove the lock from| ### Return Value *none* ### Description The function `mg_unlock_connection()` removes the lock on a connection which was previously set with a call to [`mg_lock_connection()`](mg_lock_connection.md). Locking may be necessary when using [`mg_write()`](mg_write.md) or [`mg_printf()`](mg_printf.md) on websocket connections to prevent data corruption. ### See Also * [`mg_lock_connection();`](mg_lock_connection.md) * [`mg_lock_context();`](mg_lock_context.md) * [`mg_printf();`](mg_printf.md) * [`mg_unlock_context();`](mg_unlock_context.md) * [`mg_websocket_client_write();`](mg_websocket_client_write.md) * [`mg_websocket_write();`](mg_websocket_write.md) * [`mg_write();`](mg_write.md)