diff --git a/loaded/Cargo.lock b/loaded/Cargo.lock
index f2c96d0..66603fc 100644
--- a/loaded/Cargo.lock
+++ b/loaded/Cargo.lock
@@ -2,6 +2,167 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "addr2line"
+version = "0.24.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
+
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+checksum = "8d82cb332cdfaed17ae235a638438ac4d4839913cc2af585c3c6746e8f8bee1a"
+dependencies = [
+ "addr2line",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+ "windows-targets",
+]
+
+[[package]]
+name = "cfg-if"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
+
+[[package]]
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+checksum = "5aaeb2981e0606ca11d79718f8bb01164f1d6ed75080182d3abf017e6d244b6d"
+
 [[package]]
 name = "loaded"
 version = "0.1.0"
+dependencies = [
+ "tokio",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
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+checksum = "4ffbe83022cedc1d264172192511ae958937694cd57ce297164951b8b3568394"
+dependencies = [
+ "adler2",
+]
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+checksum = "aedf0a2d09c573ed1d8d85b30c119153926a2b36dce0ab28322c09a117a4683e"
+dependencies = [
+ "memchr",
+]
+
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+
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+checksum = "5cec9b21b0450273377fc97bd4c33a8acffc8c996c987a7c5b319a0083707551"
+dependencies = [
+ "backtrace",
+ "pin-project-lite",
+]
+
+[[package]]
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+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
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+
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+
+[[package]]
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+
+[[package]]
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+[[package]]
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+
+[[package]]
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diff --git a/loaded/Cargo.toml b/loaded/Cargo.toml
index 9e6b57c..520f18a 100644
--- a/loaded/Cargo.toml
+++ b/loaded/Cargo.toml
@@ -7,3 +7,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+tokio = { version = "1.42.0", features = ["sync", "time"] }
diff --git a/loaded/src/lib.rs b/loaded/src/lib.rs
index f463fd7..9d64e9d 100644
--- a/loaded/src/lib.rs
+++ b/loaded/src/lib.rs
@@ -1,12 +1,15 @@
-use std::{future::Future, pin::Pin};
+use std::{future::Future, pin::Pin, time::Duration};
 
-pub async fn add(left: u64, right: u64) -> u64 {
-    left + right
+use tokio::sync::oneshot::Receiver;
+
+
+pub async fn add(left: u64, right: u64, under: Receiver<u64>) -> u64 {
+    left + right + under.await.unwrap()
 }
 
 #[no_mangle]
-pub fn add_wrapper(left: u64, right: u64) -> Pin<Box<dyn Future<Output = u64>>> {
-    Box::pin(add(left,right))
+pub fn add_wrapper(left: u64, right: u64, under: Receiver<u64>) -> Pin<Box<dyn Future<Output = u64> + Send >> {
+    Box::pin(add(left,right, under))
 }
 
 #[cfg(test)]
diff --git a/loader/Cargo.toml b/loader/Cargo.toml
index 635758b..e6dcbde 100644
--- a/loader/Cargo.toml
+++ b/loader/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.94"
 libloading = "0.8.6"
-tokio = { version = "1.42.0", features = ["full"] }
+tokio = { version = "1.42.0", features = ["full", "sync"] }
diff --git a/loader/src/main.rs b/loader/src/main.rs
index 2683925..b7eae1c 100644
--- a/loader/src/main.rs
+++ b/loader/src/main.rs
@@ -2,16 +2,25 @@ use std::{future::Future, pin::Pin};
 
 use anyhow::Result;
 use libloading::{Library, Symbol};
+use tokio::sync::oneshot::{self, Receiver};
 
 #[tokio::main]
 async fn main() -> Result<()> {
     let lib = unsafe {Library::new("../loaded/target/release/libloaded.so")?};
 
-    let func: Symbol<unsafe extern fn(u64,u64) -> Pin<Box<dyn Future<Output = u64>>>> =  unsafe {lib.get(b"add_wrapper")?};
+    let (tx,rx) = oneshot::channel();
 
-    let  fut = unsafe{func(12,54)};
-    let out = (fut).await;
+    let func: Symbol<unsafe extern fn(u64,u64, Receiver<u64>) -> Pin<Box<dyn Future<Output = u64> + Send>>> =  unsafe {lib.get(b"add_wrapper")?};
+    let func = unsafe{func.into_raw()};
+    let  fut = unsafe{func(12,54, rx)};
 
+    let out = tokio::spawn(async move {
+        fut.await
+    });
+
+    tx.send(8).unwrap();
+
+    let out = out.await.unwrap();
     println!("returned {out}");
 
     Ok(())