From 342c218262f8d82ddc144a5e7490e52a3a77c8fb Mon Sep 17 00:00:00 2001
From: Andrew Mackenzie <andrew@mackenzie-serres.net>
Date: Sat, 26 Jan 2019 15:32:18 +0100
Subject: [PATCH] Implement Send+Sync for ModuleInstance & ModuleRef

---
 src/module.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/module.rs b/src/module.rs
index bbce6de..e5ad87d 100644
--- a/src/module.rs
+++ b/src/module.rs
@@ -39,6 +39,9 @@ use {Error, MemoryInstance, Module, RuntimeValue, Signature, TableInstance};
 #[derive(Clone, Debug)]
 pub struct ModuleRef(pub(crate) Rc<ModuleInstance>);
 
+unsafe impl Sync for ModuleRef {}
+unsafe impl Send for ModuleRef {}
+
 impl ::core::ops::Deref for ModuleRef {
     type Target = ModuleInstance;
     fn deref(&self) -> &ModuleInstance {
@@ -164,6 +167,9 @@ pub struct ModuleInstance {
     exports: RefCell<HashMap<String, ExternVal>>,
 }
 
+unsafe impl Sync for ModuleInstance {}
+unsafe impl Send for ModuleInstance {}
+
 impl ModuleInstance {
     fn default() -> Self {
         ModuleInstance {