1331722Seadler/* 234378Sjb * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>. 334378Sjb * All rights reserved. 434378Sjb * 534378Sjb * Redistribution and use in source and binary forms, with or without 634378Sjb * modification, are permitted provided that the following conditions 734378Sjb * are met: 834378Sjb * 1. Redistributions of source code must retain the above copyright 934378Sjb * notice, this list of conditions and the following disclaimer. 1034378Sjb * 2. Redistributions in binary form must reproduce the above copyright 1134378Sjb * notice, this list of conditions and the following disclaimer in the 1234378Sjb * documentation and/or other materials provided with the distribution. 13165968Simp * 3. Neither the name of the author nor the names of any co-contributors 1434378Sjb * may be used to endorse or promote products derived from this software 1534378Sjb * without specific prior written permission. 1634378Sjb * 1734378Sjb * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 1834378Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1934378Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2034378Sjb * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2134378Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2234378Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2334378Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2434378Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2534378Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2634378Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2734378Sjb * SUCH DAMAGE. 2834378Sjb */ 2934378Sjb 3090039Sobrien#include <sys/cdefs.h> 3190039Sobrien__FBSDID("$FreeBSD: stable/11/lib/libc/gen/_spinlock_stub.c 319442 2017-06-01 16:03:01Z vangyzen $"); 3290039Sobrien 3334378Sjb#include <stdio.h> 3435500Sjb 3534378Sjb#include "spinlock.h" 36278751Skib#include "libc_private.h" 3734378Sjb 38205996Sdelphijlong _atomic_lock_stub(volatile long *); 39205996Sdelphijvoid _spinlock_stub(spinlock_t *); 40205996Sdelphijvoid _spinunlock_stub(spinlock_t *); 41205996Sdelphij 4275368Sdeischen__weak_reference(_atomic_lock_stub, _atomic_lock); 4334378Sjb 4471579Sdeischenlong 45205996Sdelphij_atomic_lock_stub(volatile long *lck __unused) 4671579Sdeischen{ 4771579Sdeischen return (0L); 4871579Sdeischen} 4971579Sdeischen 50278751Skib#pragma weak _spinlock 51278751Skibvoid 52278751Skib_spinlock(spinlock_t *lck) 53278751Skib{ 5471579Sdeischen 55278751Skib ((void (*)(spinlock_t *lck))__libc_interposing[INTERPOS_spinlock]) 56278751Skib (lck); 57278751Skib 58278751Skib} 59278751Skib 60279367Skib#pragma weak _spinunlock 6134378Sjbvoid 62278751Skib_spinunlock(spinlock_t *lck) 6334378Sjb{ 64278751Skib 65278751Skib ((void (*)(spinlock_t *lck))__libc_interposing[INTERPOS_spinunlock]) 66278751Skib (lck); 67278751Skib 6834378Sjb} 6934378Sjb 70112665Sjeffvoid 71278751Skib__libc_spinlock_stub(spinlock_t *lck __unused) 72112665Sjeff{ 73112665Sjeff} 74112665Sjeff 7534378Sjbvoid 76278751Skib__libc_spinunlock_stub(spinlock_t *lck __unused) 7734378Sjb{ 7834378Sjb} 79