Added thread-basic example

ctru-rs/examples/thread-basic.rs

@@ -0,0 +1,47 @@
+use ctru::console::Console;
+use ctru::gfx::Gfx;
+use ctru::services::apt::Apt;
+use ctru::services::hid::{Hid, KeyPad};
+use ctru::thread;
+
+use std::time::Duration;
+
+fn main() {
+    // Initialize services
+    ctru::init();
+    let apt = Apt::init().unwrap();
+    let hid = Hid::init().unwrap();
+    let gfx = Gfx::default();
+    let _console = Console::init(gfx.top_screen.borrow_mut());
+
+    let prio = thread::current().priority();
+    println!("Main thread prio: {}\n", prio);
+    
+    for ix in 0..3 {
+        thread::Builder::new()
+            .priority(prio - 1)
+            .spawn(move || {
+                let sleep_duration: u64 = 1000 + ix * 250;
+                let mut i = 0;
+                loop {
+                    println!("Thread{ix} says {i}");
+                    i += 1;
+                    thread::sleep(Duration::from_millis(sleep_duration));
+                }
+            })
+            .unwrap();
+
+        println!("Created thread {ix}");
+    }
+
+    while apt.main_loop() {
+        gfx.flush_buffers();
+        gfx.swap_buffers();
+        gfx.wait_for_vblank();
+
+        hid.scan_input();
+        if hid.keys_down().contains(KeyPad::KEY_START) {
+            break;
+        }
+    }
+}

ctru-rs/src/thread.rs

@@ -10,8 +10,7 @@
 
 //! 3DS-specific threading API
 //!
-//! While it is possible to create threads on the 3DS using functions found in
+//! The standard API does not expose the ability to set a thread's
-//! `std::thread`, the standard API does not expose the ability to set a thread's
 //! priority level and to pin a thread to a specific CPU core. This module exists
 //! to address those and other shortcomings.
 //!