1 /* $NetBSD: rumpuser_component.c,v 1.1 2013/03/01 18:15:36 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2013 Antti Kantee. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include "rumpuser_port.h" 29 30 #if !defined(lint) 31 __RCSID("$NetBSD: rumpuser_component.c,v 1.1 2013/03/01 18:15:36 pooka Exp $"); 32 #endif /* !lint */ 33 34 /* 35 * These interfaces affect the shlib major/minor; they can be called from 36 * any program when applicable. The rest of the interfaces provided 37 * by rumpuser are part of the rump kernel/hypervisor contract and 38 * are versioned by RUMPUSER_VERSION. 39 */ 40 41 #include <rump/rumpuser_component.h> 42 43 #include "rumpuser_int.h" 44 45 void * 46 rumpuser_component_unschedule(void) 47 { 48 int nlocks; 49 50 rumpuser__kunlock(0, &nlocks, NULL); 51 return (void *)(intptr_t)nlocks; 52 } 53 54 void 55 rumpuser_component_schedule(void *cookie) 56 { 57 int nlocks = (int)(intptr_t)cookie; 58 59 rumpuser__klock(nlocks, NULL); 60 } 61