The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/sys/callout.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1990, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  * (c) UNIX System Laboratories, Inc.
    5  * All or some portions of this file are derived from material licensed
    6  * to the University of California by American Telephone and Telegraph
    7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
    8  * the permission of UNIX System Laboratories, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)callout.h   8.2 (Berkeley) 1/21/94
   35  * $FreeBSD: releng/9.2/sys/sys/callout.h 235220 2012-05-10 10:02:56Z kib $
   36  */
   37 
   38 #ifndef _SYS_CALLOUT_H_
   39 #define _SYS_CALLOUT_H_
   40 
   41 #include <sys/_callout.h>
   42 
   43 #define CALLOUT_LOCAL_ALLOC     0x0001 /* was allocated from callfree */
   44 #define CALLOUT_ACTIVE          0x0002 /* callout is currently active */
   45 #define CALLOUT_PENDING         0x0004 /* callout is waiting for timeout */
   46 #define CALLOUT_MPSAFE          0x0008 /* callout handler is mp safe */
   47 #define CALLOUT_RETURNUNLOCKED  0x0010 /* handler returns with mtx unlocked */
   48 #define CALLOUT_SHAREDLOCK      0x0020 /* callout lock held in shared mode */
   49 #define CALLOUT_DFRMIGRATION    0x0040 /* callout in deferred migration mode */
   50 
   51 struct callout_handle {
   52         struct callout *callout;
   53 };
   54 
   55 #ifdef _KERNEL
   56 extern int ncallout;
   57 
   58 #define callout_active(c)       ((c)->c_flags & CALLOUT_ACTIVE)
   59 #define callout_deactivate(c)   ((c)->c_flags &= ~CALLOUT_ACTIVE)
   60 #define callout_drain(c)        _callout_stop_safe(c, 1)
   61 void    callout_init(struct callout *, int);
   62 void    _callout_init_lock(struct callout *, struct lock_object *, int);
   63 #define callout_init_mtx(c, mtx, flags)                                 \
   64         _callout_init_lock((c), ((mtx) != NULL) ? &(mtx)->lock_object : \
   65             NULL, (flags))
   66 #define callout_init_rw(c, rw, flags)                                   \
   67         _callout_init_lock((c), ((rw) != NULL) ? &(rw)->lock_object :   \
   68            NULL, (flags))
   69 #define callout_pending(c)      ((c)->c_flags & CALLOUT_PENDING)
   70 int     callout_reset_on(struct callout *, int, void (*)(void *), void *, int);
   71 #define callout_reset(c, on_tick, fn, arg)                              \
   72     callout_reset_on((c), (on_tick), (fn), (arg), (c)->c_cpu)
   73 #define callout_reset_curcpu(c, on_tick, fn, arg)                       \
   74     callout_reset_on((c), (on_tick), (fn), (arg), PCPU_GET(cpuid))
   75 int     callout_schedule(struct callout *, int);
   76 int     callout_schedule_on(struct callout *, int, int);
   77 #define callout_schedule_curcpu(c, on_tick)                             \
   78     callout_schedule_on((c), (on_tick), PCPU_GET(cpuid))
   79 #define callout_stop(c)         _callout_stop_safe(c, 0)
   80 int     _callout_stop_safe(struct callout *, int);
   81 void    callout_tick(void);
   82 int     callout_tickstofirst(int limit);
   83 extern void (*callout_new_inserted)(int cpu, int ticks);
   84 
   85 #endif
   86 
   87 #endif /* _SYS_CALLOUT_H_ */

Cache object: bd0755c0ac60f05c68157d0bcd99bc0c


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.