[taler-taler-mdb] branch master updated: comments added

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marco-boss pushed a commit to branch master
in repository taler-mdb.

The following commit(s) were added to refs/heads/master by this push:
     new f65ff1d  comments added
f65ff1d is described below

commit f65ff1dcc78817568ccec591e43f2c436abb2347
Author: Boss Marco <address@hidden>
AuthorDate: Thu Jan 2 20:18:32 2020 +0100

    comments added
---
 src/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main.c b/src/main.c
index fb15fc7..4ddbaab 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1537,6 +1537,7 @@ launch_payment (struct Product *product)
     GNUNET_free (pa);
     return NULL;
   }
+  /* Start to read the button on the VM to cancel this payment */
   if (0 < cancelButton.cancelbuttonfd)
     start_read_cancel_button ();
   return pa;
@@ -1759,6 +1760,9 @@ cancel_button_pressed (void *cls)
 
   read (cancelButton.cancelbuttonfd, &value, 1);
   lseek (cancelButton.cancelbuttonfd, 0, SEEK_SET);
+  /* This point should only be reached  when a order is pending, because
+   * the scheduler read file gets added in the function "launch_payment".
+   * But anyway safe check, else do nothing */
   if (NULL != payment_activity)
   {
     if ('1' == value)

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