From 37da2899f40661e3e9631e497da8dc59b971cbd0 Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Fri, 22 Dec 2006 17:07:39 +0000
Subject: 20060303a

---
 lib9/lock-Nt-386.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 lib9/lock-Nt-386.c

(limited to 'lib9/lock-Nt-386.c')

diff --git a/lib9/lock-Nt-386.c b/lib9/lock-Nt-386.c
new file mode 100644
index 00000000..641907ef
--- /dev/null
+++ b/lib9/lock-Nt-386.c
@@ -0,0 +1,15 @@
+#include "lib9.h"
+
+ulong
+_tas(ulong *la)
+{
+	ulong v;
+
+	_asm {
+		mov eax, la
+		mov ebx, 1
+		xchg	ebx, [eax]
+		mov	v, ebx
+	}
+	return v;
+}
-- 
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