@@ -195,8 +195,15 @@
  * This method needs to be called for some programs before data can be read,
  * since some programs don't start processing before the write direction is
  * closed.
  */
 - (void)closeForWriting;
+
+/*!
+ * @brief Waits for the process to terminate and returns the exit status.
+ *
+ * If the process has already exited, this returns the exit status immediately.
+ */
+- (int)waitForTermination;
 @end
 
 OF_ASSUME_NONNULL_END