aboutsummaryrefslogtreecommitdiff
path: root/linuxthreads/sysdeps/alpha/pt-machine.h
diff options
context:
space:
mode:
Diffstat (limited to 'linuxthreads/sysdeps/alpha/pt-machine.h')
-rw-r--r--linuxthreads/sysdeps/alpha/pt-machine.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/linuxthreads/sysdeps/alpha/pt-machine.h b/linuxthreads/sysdeps/alpha/pt-machine.h
index 25ba634..99c9bb6 100644
--- 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. */