nbdkit/0019-server-Return-from-nbdkit_nanosleep-early-if-the-soc.patch
Richard W.M. Jones 704d2b18ae Fix parsing of delay-* options
resolves: rhbz#1991649
Fix assertion failure during server shutdown
Fix delay-close option
  resolves: rhbz#1991652
tests/test-debug-flags.sh: Don't use port 10809 during test
  resolves: rhbz#1991945
2021-08-10 16:17:42 +01:00

42 lines
1.5 KiB
Diff

From 33318699bf1255aef0c6ee4863236d26d7b326ec Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Mon, 9 Aug 2021 20:11:41 +0100
Subject: [PATCH] server: Return from nbdkit_nanosleep early if the socket
closes
https://bugzilla.redhat.com/show_bug.cgi?id=1991652#c2
Reported-by: Ming Xie
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1991652
(cherry picked from commit 87a88f8c52a0d2fd392c35d37f8b048bcede1382)
---
server/public.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/server/public.c b/server/public.c
index 3362f1ab..4870e2d3 100644
--- a/server/public.c
+++ b/server/public.c
@@ -693,6 +693,8 @@ nbdkit_nanosleep (unsigned sec, unsigned nsec)
* - the current connection is multi-threaded and another thread detects
* NBD_CMD_DISC or a problem with the connection
* - the input socket detects POLLRDHUP/POLLHUP/POLLERR
+ * - the input socket is invalid (POLLNVAL, probably closed by
+ * another thread)
*/
struct connection *conn = threadlocal_get_conn ();
struct pollfd fds[] = {
@@ -724,7 +726,8 @@ nbdkit_nanosleep (unsigned sec, unsigned nsec)
*/
assert (quit ||
(conn && conn->nworkers > 0 && connection_get_status () < 1) ||
- (conn && (fds[2].revents & (POLLRDHUP | POLLHUP | POLLERR))));
+ (conn && (fds[2].revents & (POLLRDHUP | POLLHUP | POLLERR |
+ POLLNVAL))));
nbdkit_error ("aborting sleep to shut down");
errno = ESHUTDOWN;
return -1;
--
2.31.1