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futex_private.h revision 1.1 
      1 /*	$NetBSD: futex_private.h,v 1.1 2020/04/26 18:53:32 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2019 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef __LIBC_FUTEX_PRIVATE
     33 #define __LIBC_FUTEX_PRIVATE
     34 
     35 #if defined(_LIBC)
     36 #include "namespace.h"
     37 #endif
     38 
     39 #include <sys/cdefs.h>
     40 #include <sys/syscall.h>
     41 #include <sys/futex.h>
     42 #include <unistd.h>
     43 
     44 static inline int __unused
     45 __futex(volatile int *uaddr, int op, int val, const struct timespec *timeout,
     46 	volatile int *uaddr2, int val2, int val3)
     47 {
     48 	return syscall(SYS___futex, uaddr, op, val, timeout, uaddr2,
     49 			val2, val3);
     50 }
     51 
     52 static inline int __unused
     53 __futex_set_robust_list(void *head, size_t len)
     54 {
     55 	return syscall(SYS___futex_set_robust_list, head, len);
     56 }
     57 
     58 static inline int __unused
     59 __futex_get_robust_list(lwpid_t lwpid, void **headp, size_t *lenp)
     60 {
     61 	return syscall(SYS___futex_get_robust_list, lwpid, headp, lenp);
     62 }
     63 
     64 #endif /* __LIBC_FUTEX_PRIVATE */
     65