From 4a3dc85f695e6448e6279dc48894b500168f42f9 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Tue, 24 Sep 2024 15:28:16 +0200
Subject: estream: Let poll return an error for a closed fd.

* src/estream.c (_gpgrt_poll): Set got_nval.
---
 src/estream.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/estream.c b/src/estream.c
index 66ebc4b..035d30d 100644
--- a/src/estream.c
+++ b/src/estream.c
@@ -5533,6 +5533,11 @@ _gpgrt_poll (gpgrt_poll_t *fds, unsigned int nfds, int timeout)
           item->got_hup = 1;
           any = 1;
         }
+      if ((poll_fds[poll_nfds].revents & POLLNVAL))
+        {
+          item->got_nval = 1;
+          any = 1;
+        }
       if (item->want_read && (poll_fds[poll_nfds].revents & (POLLIN|POLLHUP)))
         {
           item->got_read = 1;
-- 
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