Module Name: src
Committed By: thorpej
Date: Sat Oct 2 14:41:36 UTC 2021
Modified Files:
src/tests/lib/libc/sys: t_poll.c
Log Message:
In the fifo_hup1 test, also ensure that POLLHUP is de-asserted when a
new writer appears.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/tests/lib/libc/sys/t_poll.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/lib/libc/sys/t_poll.c
diff -u src/tests/lib/libc/sys/t_poll.c:1.5 src/tests/lib/libc/sys/t_poll.c:1.6
--- src/tests/lib/libc/sys/t_poll.c:1.5 Sat Oct 2 02:07:41 2021
+++ src/tests/lib/libc/sys/t_poll.c Sat Oct 2 14:41:36 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: t_poll.c,v 1.5 2021/10/02 02:07:41 thorpej Exp $ */
+/* $NetBSD: t_poll.c,v 1.6 2021/10/02 14:41:36 thorpej Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -278,6 +278,18 @@ ATF_TC_BODY(fifo_hup1, tc)
ATF_REQUIRE(poll(&pfd, 1, 0) == 1);
ATF_REQUIRE((pfd.revents & POLLHUP) != 0);
+
+ /*
+ * Check that POLLHUP is cleared when a writer re-connects.
+ * Since the writer will not put any data into the FIFO, we
+ * expect no events.
+ */
+ memset(&pfd, 0, sizeof(pfd));
+ pfd.fd = rfd;
+ pfd.events = POLLIN;
+
+ ATF_REQUIRE((wfd = open(fifo_path, O_WRONLY)) >= 0);
+ ATF_REQUIRE(poll(&pfd, 1, 0) == 0);
}
ATF_TC_CLEANUP(fifo_hup1, tc)
