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


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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_sigevent.h

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    1 /*-
    2  * Copyright (c) 2005 The NetBSD Foundation, Inc.
    3  * All rights reserved.
    4  *
    5  * This code is derived from software contributed to The NetBSD Foundation
    6  * by Frank van der Linden.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   27  * POSSIBILITY OF SUCH DAMAGE.
   28  */
   29 
   30 #ifndef _LINUX_SIGEVENT_H
   31 #define _LINUX_SIGEVENT_H
   32 
   33 #define LINUX_SIGEV_SIGNAL    0       /* notify via signal */
   34 #define LINUX_SIGEV_NONE      1       /* other notification: meaningless */
   35 #define LINUX_SIGEV_THREAD    2       /* deliver via thread creation */
   36 #define LINUX_SIGEV_THREAD_ID 4       /* deliver to thread */
   37 
   38 #define LINUX_SIGEV_MAX  64
   39 #ifndef LINUX_SIGEV_PAD
   40 #define LINUX_SIGEV_PAD  ((LINUX_SIGEV_MAX/sizeof(int)) - 3)
   41 #endif
   42 
   43 typedef struct linux_sigevent {
   44         sigval_t sigev_value;
   45         int sigev_signo;
   46         int sigev_notify;
   47         union {
   48                 int pad[LINUX_SIGEV_PAD];
   49                 int tid;
   50                 struct {
   51                         void (*func)(sigval_t);
   52                         void *attr;
   53                 } _sigev_thread;
   54         } _sigev_un;
   55 } linux_sigevent_t;
   56 
   57 #endif /* _LINUX_SIGEVENT_H */

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