1 files changed, 24 insertions, 0 deletions
diff --git a/libgo/runtime/go-lock-os-thread.c b/libgo/runtime/go-lock-os-thread.c
new file mode 100644
index 0000000000..204f11dce7
--- /dev/null
+++ b/libgo/runtime/go-lock-os-thread.c
@@ -0,0 +1,24 @@
+/* go-lock-os-thread.c -- the LockOSThread and UnlockOSThread functions.
+
+   Copyright 2009 The Go Authors. All rights reserved.
+   Use of this source code is governed by a BSD-style
+   license that can be found in the LICENSE file.  */
+
+/* The runtime.LockOSThread and runtime.UnlockOSThread functions are
+   meaningless in the current implementation, since for us a goroutine
+   always stays on a single OS thread.  */
+
+extern void LockOSThread (void) __asm__ ("libgo_runtime.runtime.LockOSThread");
+
+void
+LockOSThread (void)
+{
+}
+
+extern void UnlockOSThread (void)
+  __asm__ ("libgo_runtime.runtime.UnlockOSThread");
+
+void
+UnlockOSThread (void)
+{
+}