linux_futex.h

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    1 /*      $NetBSD: linux_futex.h,v 1.3 2008/10/26 16:38:22 christos Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 2005 Emmanuel Dreyfus, all rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  * 3. All advertising materials mentioning features or use of this software
   15  *    must display the following acknowledgement:
   16  *      This product includes software developed by Emmanuel Dreyfus
   17  * 4. The name of the author may not be used to endorse or promote 
   18  *    products derived from this software without specific prior written 
   19  *    permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 
   22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
   23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 
   25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   31  * POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 
   34 #ifndef _LINUX_FUTEX_H
   35 #define _LINUX_FUTEX_H
   36 
   37 #define LINUX_FUTEX_WAIT        0 
   38 #define LINUX_FUTEX_WAKE        1
   39 #define LINUX_FUTEX_FD          2
   40 #define LINUX_FUTEX_REQUEUE     3
   41 #define LINUX_FUTEX_CMP_REQUEUE 4
   42 #define LINUX_FUTEX_WAKE_OP     5
   43 
   44 #define LINUX_FUTEX_PRIVATE_FLAG        128
   45 
   46 #define FUTEX_OP_SET            0
   47 #define FUTEX_OP_ADD            1
   48 #define FUTEX_OP_OR             2
   49 #define FUTEX_OP_ANDN           3
   50 #define FUTEX_OP_XOR            4
   51 
   52 #define FUTEX_OP_OPARG_SHIFT    8
   53 
   54 #define FUTEX_OP_CMP_EQ         0
   55 #define FUTEX_OP_CMP_NE         1
   56 #define FUTEX_OP_CMP_LT         2
   57 #define FUTEX_OP_CMP_LE         3
   58 #define FUTEX_OP_CMP_GT         4
   59 #define FUTEX_OP_CMP_GE         5
   60 
   61 struct linux_robust_list {
   62         struct linux_robust_list        *next;
   63 };
   64 
   65 struct linux_robust_list_head {
   66         struct linux_robust_list        list;
   67         unsigned long                   futex_offset;
   68         struct linux_robust_list        *pending_list;
   69 };
   70 
   71 #define FUTEX_WAITERS           0x80000000
   72 #define FUTEX_OWNER_DIED        0x40000000
   73 #define FUTEX_TID_MASK          0x3fffffff
   74 
   75 void    release_futexes(struct proc *);
   76 
   77 #endif /* !_LINUX_FUTEX_H */

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

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