[libmicrohttpd] branch master updated: handle gnutls_record_uncork() failure, might help issue PC reported on the list

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grothoff pushed a commit to branch master
in repository libmicrohttpd.

The following commit(s) were added to refs/heads/master by this push:
     new 0d771f77 handle gnutls_record_uncork() failure, might help issue PC 
reported on the list
0d771f77 is described below

commit 0d771f770e6c444cfee7f4f588620e9c8b934d97
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Tue Jun 16 20:46:32 2020 +0200

    handle gnutls_record_uncork() failure, might help issue PC reported on the 
list
---
 ChangeLog                 | 3 +++
 src/microhttpd/mhd_send.c | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index a8940d51..693abad3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+Tue 16 Jun 2020 08:44:22 PM CEST
+    Add logic to try again if GNUtls uncork() fails. -CG
+
 Wed 10 Jun 2020 09:44:29 PM CEST
     Fixed PostProcessor bug discovered by MD, which given certain parser
     boundaries caused the returned values to be wrong. -CG/MD
diff --git a/src/microhttpd/mhd_send.c b/src/microhttpd/mhd_send.c
index 0864d532..1ff45231 100644
--- a/src/microhttpd/mhd_send.c
+++ b/src/microhttpd/mhd_send.c
@@ -313,7 +313,10 @@ MHD_send_on_connection_ (struct MHD_Connection *connection,
 
     if (! want_cork && have_cork)
     {
-      (void) gnutls_record_uncork (connection->tls_session, 0);
+      int err = gnutls_record_uncork (connection->tls_session, 0);
+
+      if (0 > err)
+        return MHD_ERR_AGAIN_;
       connection->sk_cork_on = false;
     }
   }

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