Initial reorg.

This is largely the same as #305, but updated for the current tree.

crates/wasi-c/sandboxed-system-primitives/src/signals.h

@@ -0,0 +1,17 @@
+// Part of the Wasmtime Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://github.com/CraneStation/wasmtime/blob/master/LICENSE for license information.
+//
+// Significant parts of this file are derived from cloudabi-utils. See
+// https://github.com/CraneStation/wasmtime/blob/master/lib/wasi/sandboxed-system-primitives/src/LICENSE
+// for license information.
+//
+// The upstream file contains the following copyright notice:
+//
+// Copyright (c) 2016 Nuxi, https://nuxi.nl/
+
+#ifndef SIGNALS_H
+#define SIGNALS_H
+
+void signals_init(void);
+
+#endif