Update.

[glibc.git] / linuxthreads / sysdeps / alpha / pt-machine.h

diff --git a/linuxthreads/sysdeps/alpha/pt-machine.h b/linuxthreads/sysdeps/alpha/pt-machine.h
index 25ba634528901af1d6c784979a5538a1480af34a..99c9bb6b2840b57414da2dcabc6dd0ffedb303c0 100644 (file)
--- a/linuxthreads/sysdeps/alpha/pt-machine.h
+++ b/linuxthreads/sysdeps/alpha/pt-machine.h
@@ -1,6 +1,6 @@
 /* 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>.
 
@@ -34,6 +34,8 @@ register char *stack_pointer __asm__("$30");
 
 /* 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.  */