?? pthread_spin_trylock.s
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/* Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@twiddle.net>, 2003. 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. */#define _ERRNO_H 1#include <bits/errno.h> .text .align 4 .globl pthread_spin_trylock .ent pthread_spin_trylockpthread_spin_trylock: .frame $sp, 0, $26, 0 .prologue 00: ldl_l $1, 0($16) lda $2, 1 lda $0, EBUSY bne $1, 1f stl_c $2, 0($16) beq $2, 2f mb lda $0, 01: ret2: br 0b .end pthread_spin_trylock
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