/* Machine-dependent pthreads configuration and inline functions.
Alpha version.
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>.
/* Memory barrier; default is to do nothing */
#define MEMORY_BARRIER() __asm__ __volatile__("mb" : : : "memory")
+/* Write barrier. */
+#define WRITE_MEMORY_BARRIER() __asm__ __volatile__("wmb" : : : "memory")
/* Spinlock implementation; required. */