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/* $NetBSD: linux_futex.h,v 1.2 2005/12/11 12:20:19 christos Exp $ */ /*- * Copyright (c) 2005 Emmanuel Dreyfus, all rights reserved. * * 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 Emmanuel Dreyfus * 4. The name of the author may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR 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 AUTHOR 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. * * $FreeBSD: release/9.1.0/sys/compat/linux/linux_futex.h 218118 2011-01-31 06:06:23Z dchagin $ */ #ifndef _LINUX_FUTEX_H #define _LINUX_FUTEX_H extern LIST_HEAD(futex_list, futex) futex_list; extern struct mtx futex_mtx; #define LINUX_FUTEX_WAIT 0 #define LINUX_FUTEX_WAKE 1 #define LINUX_FUTEX_FD 2 /* unused */ #define LINUX_FUTEX_REQUEUE 3 #define LINUX_FUTEX_CMP_REQUEUE 4 #define LINUX_FUTEX_WAKE_OP 5 #define LINUX_FUTEX_LOCK_PI 6 #define LINUX_FUTEX_UNLOCK_PI 7 #define LINUX_FUTEX_TRYLOCK_PI 8 #define LINUX_FUTEX_WAIT_BITSET 9 #define LINUX_FUTEX_WAKE_BITSET 10 #define LINUX_FUTEX_WAIT_REQUEUE_PI 11 #define LINUX_FUTEX_CMP_REQUEUE_PI 12 #define LINUX_FUTEX_PRIVATE_FLAG 128 #define LINUX_FUTEX_CLOCK_REALTIME 256 #define FUTEX_OP_SET 0 /* *(int *)UADDR2 = OPARG; */ #define FUTEX_OP_ADD 1 /* *(int *)UADDR2 += OPARG; */ #define FUTEX_OP_OR 2 /* *(int *)UADDR2 |= OPARG; */ #define FUTEX_OP_ANDN 3 /* *(int *)UADDR2 &= ~OPARG; */ #define FUTEX_OP_XOR 4 /* *(int *)UADDR2 ^= OPARG; */ #define FUTEX_OP_OPARG_SHIFT 8 /* Use (1 << OPARG) instead of OPARG. */ #define FUTEX_OP_CMP_EQ 0 /* if (oldval == CMPARG) wake */ #define FUTEX_OP_CMP_NE 1 /* if (oldval != CMPARG) wake */ #define FUTEX_OP_CMP_LT 2 /* if (oldval < CMPARG) wake */ #define FUTEX_OP_CMP_LE 3 /* if (oldval <= CMPARG) wake */ #define FUTEX_OP_CMP_GT 4 /* if (oldval > CMPARG) wake */ #define FUTEX_OP_CMP_GE 5 /* if (oldval >= CMPARG) wake */ #define FUTEX_WAITERS 0x80000000 #define FUTEX_OWNER_DIED 0x40000000 #define FUTEX_TID_MASK 0x3fffffff #define FUTEX_BITSET_MATCH_ANY 0xffffffff void release_futexes(struct proc *); #endif /* !_LINUX_FUTEX_H */