diff options
Diffstat (limited to 'nptl/sysdeps/ia64/pthread_spin_lock.c')
-rw-r--r-- | nptl/sysdeps/ia64/pthread_spin_lock.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/nptl/sysdeps/ia64/pthread_spin_lock.c b/nptl/sysdeps/ia64/pthread_spin_lock.c deleted file mode 100644 index 7d25af7c4b..0000000000 --- a/nptl/sysdeps/ia64/pthread_spin_lock.c +++ /dev/null @@ -1,36 +0,0 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include "pthreadP.h" - -int -pthread_spin_lock (lock) - pthread_spinlock_t *lock; -{ - int *p = (int *) lock; - - while (__builtin_expect (__sync_val_compare_and_swap (p, 0, 1), 0)) - { - /* Spin without using the atomic instruction. */ - do - __asm __volatile ("hint @pause" : : : "memory"); - while (*p); - } - return 0; -} |