From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/threads-sendsync/task-comm-3.rs | 63 +++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/test/ui/threads-sendsync/task-comm-3.rs

(limited to 'src/test/ui/threads-sendsync/task-comm-3.rs')

diff --git a/src/test/ui/threads-sendsync/task-comm-3.rs b/src/test/ui/threads-sendsync/task-comm-3.rs
new file mode 100644
index 000000000..570ae0a82
--- /dev/null
+++ b/src/test/ui/threads-sendsync/task-comm-3.rs
@@ -0,0 +1,63 @@
+// run-pass
+#![allow(unused_must_use)]
+// ignore-emscripten no threads support
+
+use std::thread;
+use std::sync::mpsc::{channel, Sender};
+
+pub fn main() { println!("===== WITHOUT THREADS ====="); test00(); }
+
+fn test00_start(ch: &Sender<isize>, message: isize, count: isize) {
+    println!("Starting test00_start");
+    let mut i: isize = 0;
+    while i < count {
+        println!("Sending Message");
+        ch.send(message + 0).unwrap();
+        i = i + 1;
+    }
+    println!("Ending test00_start");
+}
+
+fn test00() {
+    let number_of_tasks: isize = 16;
+    let number_of_messages: isize = 4;
+
+    println!("Creating tasks");
+
+    let (tx, rx) = channel();
+
+    let mut i: isize = 0;
+
+    // Create and spawn threads...
+    let mut results = Vec::new();
+    while i < number_of_tasks {
+        let tx = tx.clone();
+        results.push(thread::spawn({
+            let i = i;
+            move|| {
+                test00_start(&tx, i, number_of_messages)
+            }
+        }));
+        i = i + 1;
+    }
+
+    // Read from spawned threads...
+    let mut sum = 0;
+    for _r in &results {
+        i = 0;
+        while i < number_of_messages {
+            let value = rx.recv().unwrap();
+            sum += value;
+            i = i + 1;
+        }
+    }
+
+    // Join spawned threads...
+    for r in results { r.join(); }
+
+    println!("Completed: Final number is: ");
+    println!("{}", sum);
+    // assert (sum == (((number_of_threads * (number_of_threads - 1)) / 2) *
+    //       number_of_messages));
+    assert_eq!(sum, 480);
+}
-- 
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