Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 24 insertions, 0 deletions

diff --git a/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/Cargo.lock b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/Cargo.lock
new file mode 100644
index 000000000..8e7ba9cf5
--- /dev/null
+++ b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "shared-state"
+version = "0.1.0"
+
diff --git a/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/Cargo.toml b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/Cargo.toml
new file mode 100644
index 000000000..da297eaba
--- /dev/null
+++ b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "shared-state"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/src/main.rs b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/src/main.rs
new file mode 100644
index 000000000..0c0d6767a
--- /dev/null
+++ b/src/doc/book/listings/ch16-fearless-concurrency/listing-16-12/src/main.rs
@@ -0,0 +1,12 @@
+use std::sync::Mutex;
+
+fn main() {
+    let m = Mutex::new(5);
+
+    {
+        let mut num = m.lock().unwrap();
+        *num = 6;
+    }
+
+    println!("m = {:?}", m);
+}