simplistic regress test for KEVENT_TIMER kqueue(2) calls

ok and prodding tedu@

3 files changed, 78 insertions, 5 deletions

diff --git a/regress/sys/kern/kqueue/Makefile b/regress/sys/kern/kqueue/Makefile
index 11387b2175a..efc23d64bb6 100644
--- a/regress/sys/kern/kqueue/Makefile
+++ b/regress/sys/kern/kqueue/Makefile
@@ -1,10 +1,10 @@
-#	$OpenBSD: Makefile,v 1.17 2015/04/25 20:47:49 guenther Exp $
+#	$OpenBSD: Makefile,v 1.18 2015/12/05 10:51:49 blambert Exp $
 
 PROG=	kqueue-test
 CFLAGS+=-Wall
 SRCS=	kqueue-pipe.c kqueue-fork.c main.c kqueue-process.c kqueue-random.c \
 	kqueue-pty.c kqueue-tun.c kqueue-signal.c kqueue-fdpass.c \
-	kqueue-flock.c
+	kqueue-flock.c kqueue-timer.c
 LDADD=	-levent -lutil
 DPADD=	${LIBEVENT} ${LIBUTIL}
 
@@ -30,9 +30,11 @@ kq-fdpass: ${PROG}
 	./${PROG} -F
 kq-flock: ${PROG}
 	./${PROG} -l
+kq-timer: ${PROG}
+	./${PROG} -i
 
 REGRESS_TARGETS=kq-pipe kq-fork kq-process kq-random kq-pty kq-signal \
-	kq-fdpass kq-flock
+	kq-fdpass kq-flock kq-timer
 # kq-tun broke at some point, apparently from a change in tun routing 
 REGRESS_ROOT_TARGETS=${REGRESS_TARGETS}
 .PHONY: ${REGRESS_TARGETS}
diff --git a/regress/sys/kern/kqueue/kqueue-timer.c b/regress/sys/kern/kqueue/kqueue-timer.c
new file mode 100644
index 00000000000..9c162018d0a
--- /dev/null
+++ b/regress/sys/kern/kqueue/kqueue-timer.c
@@ -0,0 +1,67 @@
+/*	$OpenBSD: kqueue-timer.c,v 1.1 2015/12/05 10:51:49 blambert Exp $	*/
+/*
+ * Copyright (c) 2015 Bret Stephen Lambert <blambert@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/event.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+int do_timer(void);
+
+int
+do_timer(void)
+{
+	int kq, n;
+	struct kevent ev;
+	struct timespec ts;
+
+	if ((kq = kqueue()) == -1)
+		return (1);
+
+	memset(&ev, 0, sizeof(ev));
+	ev.filter = EVFILT_TIMER;
+	ev.flags = EV_ADD | EV_ENABLE | EV_ONESHOT;
+	ev.data = 500;			/* 1/2 second in ms */
+
+	if (kevent(kq, &ev, 1, NULL, 0, NULL) == -1)
+		return (1);
+
+	ts.tv_sec = 2;			/* wait 2s for kqueue timeout */
+	ts.tv_nsec = 0;
+
+	if ((n = kevent(kq, NULL, 0, &ev, 1, &ts)) != 1)
+		return (1);
+
+	/* Now retry w/o EV_ONESHOT, as EV_CLEAR is implicit */
+
+	memset(&ev, 0, sizeof(ev));
+	ev.filter = EVFILT_TIMER;
+	ev.flags = EV_ADD | EV_ENABLE;
+	ev.data = 500;			/* 1/2 second in ms */
+
+	if (kevent(kq, &ev, 1, NULL, 0, NULL) == -1)
+		return (1);
+
+	ts.tv_sec = 2;			/* wait 2s for kqueue timeout */
+	ts.tv_nsec = 0;
+
+	if ((n = kevent(kq, NULL, 0, &ev, 1, &ts)) != 1)
+		return (1);
+
+	return (0);
+}
diff --git a/regress/sys/kern/kqueue/main.c b/regress/sys/kern/kqueue/main.c
index d99507932ef..b4dca744e48 100644
--- a/regress/sys/kern/kqueue/main.c
+++ b/regress/sys/kern/kqueue/main.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: main.c,v 1.7 2012/07/08 12:31:03 guenther Exp $	*/
+/*	$OpenBSD: main.c,v 1.8 2015/12/05 10:51:49 blambert Exp $	*/
 /*
  *	Written by Artur Grabowski <art@openbsd.org> 2002 Public Domain
  */
@@ -16,6 +16,7 @@ int do_pty(void);
 int do_tun(void);
 int do_fdpass(void);
 int do_flock(void);
+int do_timer(void);
 
 int
 main(int argc, char **argv)
@@ -24,7 +25,7 @@ main(int argc, char **argv)
 	int ret, c;
 
 	ret = 0;
-	while ((c = getopt(argc, argv, "fFlpPrstT")) != -1) {
+	while ((c = getopt(argc, argv, "fFilpPrstT")) != -1) {
 		switch (c) {
 		case 'f':
 			ret |= check_inheritance();
@@ -32,6 +33,9 @@ main(int argc, char **argv)
 		case 'F':
 			ret |= do_fdpass();
 			break;
+		case 'i':
+			ret |= do_timer();
+			break;
 		case 'l':
 			ret |= do_flock();
 			break;