From 0b3366f6a93ac0f7e2028745ea557c0acd8722c6 Mon Sep 17 00:00:00 2001 From: "\"Steven J. Hill\"" Date: Sat, 7 May 2005 02:04:55 +0000 Subject: Import in NPTL code from glibc. For further information please consult the 'README.NPTL' file. --- libpthread/nptl/sysdeps/sh/pthread_spin_trylock.S | 32 +++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libpthread/nptl/sysdeps/sh/pthread_spin_trylock.S (limited to 'libpthread/nptl/sysdeps/sh/pthread_spin_trylock.S') diff --git a/libpthread/nptl/sysdeps/sh/pthread_spin_trylock.S b/libpthread/nptl/sysdeps/sh/pthread_spin_trylock.S new file mode 100644 index 000000000..18112ba23 --- /dev/null +++ b/libpthread/nptl/sysdeps/sh/pthread_spin_trylock.S @@ -0,0 +1,32 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .globl pthread_spin_trylock + .type pthread_spin_trylock,@function + .align 5 +pthread_spin_trylock: + tas.b @r4 + bf/s 1f + mov #EBUSY, r0 + mov #0, r0 +1: + rts + nop + .size pthread_spin_trylock,.-pthread_spin_trylock -- cgit v1.2.3