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-rw-r--r--regress/sys/kern/kqueue/kqueue-timer.c67
1 files changed, 67 insertions, 0 deletions
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);
+}