alnyan/yggdrasil: add thread module

library/std/src/sys/yggdrasil/mod.rs

@@ -2,8 +2,6 @@
 
 use crate::io::ErrorKind;
 
-// #[path = "../unsupported/io.rs"]
-// pub mod io;
 #[path = "../unix/cmath.rs"]
 pub mod cmath;
 #[path = "../unix/os_str.rs"]
@@ -14,9 +12,6 @@ pub mod path;
 pub mod pipe;
 #[path = "../unsupported/process.rs"]
 pub mod process;
-#[path = "../unsupported/thread.rs"]
-pub mod thread;
-pub mod thread_local_key;
 
 pub mod alloc;
 pub mod args;
@@ -30,6 +25,8 @@ pub mod net;
 pub mod once;
 pub mod os;
 pub mod stdio;
+pub mod thread;
+pub mod thread_local_key;
 pub mod time;
 
 pub(self) use yggdrasil_rt;

library/std/src/sys/yggdrasil/thread.rs

@@ -0,0 +1,57 @@
+use crate::ffi::CStr;
+use crate::io;
+use crate::num::NonZeroUsize;
+use crate::time::Duration;
+
+pub struct Thread(!);
+
+pub const DEFAULT_MIN_STACK_SIZE: usize = 8192;
+
+impl Thread {
+    pub unsafe fn new(_stack: usize, _p: Box<dyn FnOnce()>) -> io::Result<Thread> {
+        yggdrasil_rt::sys::debug_trace("Thread::new()");
+        loop {}
+    }
+
+    pub fn yield_now() {
+        unsafe {
+            yggdrasil_rt::sys::debug_trace("Thread::yield_now()");
+        }
+    }
+
+    pub fn set_name(_name: &CStr) {
+        unsafe {
+            yggdrasil_rt::sys::debug_trace("Thread::set_name()");
+        }
+    }
+
+    pub fn sleep(dur: Duration) {
+        unsafe { yggdrasil_rt::sys::nanosleep(dur) }
+    }
+
+    pub fn join(self) {
+        unsafe {
+            yggdrasil_rt::sys::debug_trace("Thread::join()");
+        }
+        loop {}
+    }
+}
+
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
+    unsafe {
+        yggdrasil_rt::sys::debug_trace("thread::available_parallelism()");
+    }
+    loop {}
+}
+
+pub mod guard {
+    pub type Guard = !;
+
+    pub unsafe fn current() -> Option<Guard> {
+        None
+    }
+
+    pub unsafe fn init() -> Option<Guard> {
+        None
+    }
+}