From b6fda735ee0106b72500d927b9695a27ecd519f3 Mon Sep 17 00:00:00 2001
From: F001 <changchun.fan@qq.com>
Date: Fri, 30 Nov 2018 11:03:00 +0800
Subject: Replace mutex by atomics (#1238)

---
 src/libdeno.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/libdeno.rs')

diff --git a/src/libdeno.rs b/src/libdeno.rs
index bb0509e01..e85b37ed4 100644
--- a/src/libdeno.rs
+++ b/src/libdeno.rs
@@ -2,6 +2,7 @@
 use libc::c_char;
 use libc::c_int;
 use libc::c_void;
+use std::ptr::null_mut;
 
 #[repr(C)]
 pub struct isolate {
@@ -17,6 +18,17 @@ pub struct deno_buf {
   pub data_len: usize,
 }
 
+impl deno_buf {
+  pub fn empty() -> Self {
+    deno_buf {
+      alloc_ptr: null_mut(),
+      alloc_len: 0,
+      data_ptr: null_mut(),
+      data_len: 0,
+    }
+  }
+}
+
 type DenoRecvCb = unsafe extern "C" fn(
   user_data: *mut c_void,
   req_id: i32,
-- 
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