diff options
Diffstat (limited to 'ports/sysdeps/m68k/nptl/pthread_spin_lock.c')
| -rw-r--r-- | ports/sysdeps/m68k/nptl/pthread_spin_lock.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/ports/sysdeps/m68k/nptl/pthread_spin_lock.c b/ports/sysdeps/m68k/nptl/pthread_spin_lock.c index 90a8262b24..2616a7f2a2 100644 --- a/ports/sysdeps/m68k/nptl/pthread_spin_lock.c +++ b/ports/sysdeps/m68k/nptl/pthread_spin_lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2010 Free Software Foundation, Inc. +/* Copyright (C) 2010-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. @@ -16,15 +16,9 @@ License along with the GNU C Library. If not, see <http://www.gnu.org/licenses/>. */ -#include <atomic.h> -#include "pthreadP.h" +#define SPIN_LOCK_READS_BETWEEN_CMPXCHG 1000 -int -pthread_spin_lock (pthread_spinlock_t *lock) -{ - while (atomic_compare_and_exchange_val_acq(lock, 1, 0) != 0) - while (*lock != 0) - ; - - return 0; -} +/* We can't use the normal "#include <nptl/pthread_spin_lock.c>" because + it will resolve to this very file. Using "sysdeps/.." as reference to the + top level directory does the job. */ +#include <sysdeps/../nptl/pthread_spin_lock.c> |