only use control pipe with helpers IF the helper actually supports it

1 files changed, 3 insertions, 1 deletions

diff --git a/src/include/gnunet_helper_lib.h b/src/include/gnunet_helper_lib.h
index 12a4d3fe1..7f43f1a64 100644
--- a/src/include/gnunet_helper_lib.h
+++ b/src/include/gnunet_helper_lib.h
@@ -51,6 +51,7 @@ typedef void (*GNUNET_HELPER_ExceptionCallback) (void *cls);
  * restarted when it dies except when it is stopped using GNUNET_HELPER_stop()
  * or when the exp_cb callback is not NULL.
  *
+ * @param with_control_pipe does the helper support the use of a control pipe for signalling?
  * @param binary_name name of the binary to run
  * @param binary_argv NULL-terminated list of arguments to give when starting the binary (this
  *                    argument must not be modified by the client for
@@ -62,7 +63,8 @@ typedef void (*GNUNET_HELPER_ExceptionCallback) (void *cls);
  * @return the new Handle, NULL on error
  */
 struct GNUNET_HELPER_Handle *
-GNUNET_HELPER_start (const char *binary_name,
+GNUNET_HELPER_start (int with_control_pipe,
+                     const char *binary_name,
                      char *const binary_argv[],
                      GNUNET_SERVER_MessageTokenizerCallback cb,
                      GNUNET_HELPER_ExceptionCallback exp_cb,