1 files changed, 50 insertions, 0 deletions
diff --git a/components/rust/examples/application/semaphore/src/lib.rs b/components/rust/examples/application/semaphore/src/lib.rs
new file mode 100644
index 0000000000..986acd1957
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+++ b/components/rust/examples/application/semaphore/src/lib.rs
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2006-2025, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     semaphore test demo
+ * 2025-10-29     foxglove     Updated to demonstrate new modular macro interface
+ */
+#![no_std]
+
+extern crate alloc;
+
+use alloc::sync::Arc;
+use core::time::Duration;
+use rt_macros::msh_cmd_export;
+use rt_rust::sem::Semaphore;
+use rt_rust::param::Param;
+use rt_rust::println;
+use rt_rust::thread;
+use rt_rust::time;
+
+#[msh_cmd_export(name = "rust_sem_demo", desc = "Rust example app.")]
+fn main(_param: Param) {
+    let send = Arc::new(Semaphore::new().unwrap());
+    let recv = send.clone();
+
+    let _ = thread::Thread::new()
+        .name("thread 1")
+        .stack_size(1024)
+        .start(move || {
+            loop {
+                time::sleep(Duration::new(1, 0));
+                send.release()
+            }
+        });
+    time::sleep(Duration::new(1, 0));
+    let _ = thread::Thread::new()
+        .name("thread 2")
+        .stack_size(1024)
+        .start(move || {
+            loop {
+                println!("waiting!");
+                recv.take_wait_forever().unwrap();
+                println!("recv a sem!")
+            }
+        });
+}
+