diff options
Diffstat (limited to 'nptl/sysdeps/powerpc/pthread_spin_trylock.c')
-rw-r--r-- | nptl/sysdeps/powerpc/pthread_spin_trylock.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/nptl/sysdeps/powerpc/pthread_spin_trylock.c b/nptl/sysdeps/powerpc/pthread_spin_trylock.c deleted file mode 100644 index 3131ae529c..0000000000 --- a/nptl/sysdeps/powerpc/pthread_spin_trylock.c +++ /dev/null @@ -1,42 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.ibm.com>, 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, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include "pthreadP.h" - -int -pthread_spin_trylock (lock) - pthread_spinlock_t *lock; -{ - unsigned int old; - int err = EBUSY; - - asm ("1: lwarx %0,0,%2\n" - " cmpwi 0,%0,0\n" - " bne 2f\n" - " stwcx. %3,0,%2\n" - " bne- 1b\n" - " li %1,0\n" - " isync\n" - "2: " - : "=&r" (old), "=&r" (err) - : "r" (lock), "r" (1), "1" (err) - : "cr0", "memory"); - - return err; -} |