BSD 4_3_Net_2 release

[unix-history] / usr / src / sys / sys / callout.h

diff --git a/usr/src/sys/sys/callout.h b/usr/src/sys/sys/callout.h
index 1f3831e..522be36 100644 (file)
--- a/usr/src/sys/sys/callout.h
+++ b/usr/src/sys/sys/callout.h
@@ -1,28 +1,46 @@
-/*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.  The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.

  *
  *

- *     @(#)callout.h   7.1 (Berkeley) 6/4/86
- */
-
-/*
- * 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.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)callout.h   7.2 (Berkeley) 2/15/91

  */
 
  */
 

-struct callout {
-       int     c_time;         /* incremental time */
-       caddr_t c_arg;          /* argument to routine */
-       int     (*c_func)();    /* routine */
-       struct  callout *c_next;
+struct callout {
+       struct callout *c_next;         /* next callout in queue */
+       caddr_t c_arg;                  /* function argument */
+       int (*c_func)();                /* function to call */
+       int c_time;                     /* ticks to the event */

 };
 };

+

 #ifdef KERNEL
 #ifdef KERNEL

-struct callout *callfree, *callout, calltodo;
-int    ncallout;
+struct callout *callfree, *callout, calltodo;
+int ncallout;

 #endif
 #endif