upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-08 16:22:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

This file hasn't been used for some time; nuke it.

Browse source
This commit is contained in:
Daniel Eischen 2003-07-31 21:29:04 +00:00
parent 799aba9656
commit 9c76f2b9d6
1 changed files with 0 additions and 42 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
lib/libpthread/arch/i386/i386/_atomic_lock.S
View file

@ -1,42 +0,0 @@
/*
* Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
* copyright Douglas Santry 1996
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the above copyright is retained
* in the source form.
*
* THIS SOFTWARE IS PROVIDED BY Douglas Santry 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 Douglas Santry 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.
*/
#if defined(LIBC_RCS) && !defined(lint)
.text
.asciz "$FreeBSD$"
#endif /* LIBC_RCS and not lint */
#include <machine/asm.h>
/*
* Atomicly lock a location with an identifier provided the location
* is not currently locked.
*
* long _atomic_lock(long *);
* eax will contain the return value (zero if lock obtained).
*/
ENTRY(_atomic_lock)
movl 4(%esp), %ecx
movl $1, %eax
xchg %eax, (%ecx)
ret