From: Bill Joy <bill@ucbvax.Berkeley.EDU>
Date: Thu, 10 Apr 1980 07:23:21 +0000 (-0800)
Subject: date and time created 80/04/09 16:23:21 by bill
X-Git-Tag: BSD-4^3~1254
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/88d86bda3901d6108196393409df0529ebc150dc

date and time created 80/04/09 16:23:21 by bill

SCCS-vsn: sys/sys/callout.h 3.1
---

diff --git a/usr/src/sys/sys/callout.h b/usr/src/sys/sys/callout.h
new file mode 100644
index 0000000000..961e3baf20
--- /dev/null
+++ b/usr/src/sys/sys/callout.h
@@ -0,0 +1,19 @@
+/*	callout.h	3.1	%H%	*/
+
+/*
+ * The callout structure is for
+ * a routine arranging
+ * to be called by the clock interrupt
+ * (clock.c) with a specified argument,
+ * in a specified amount of time.
+ * Used, for example, to time tab
+ * delays on typewriters.
+ */
+
+struct	callo
+{
+	int	c_time;		/* incremental time */
+	caddr_t	c_arg;		/* argument to routine */
+	int	(*c_func)();	/* routine */
+};
+struct	callo	callout[NCALL];