X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fsync%2Fnostd_sync.rs;h=27cfb9b8f782c4bafabecd5180a5d0d2256105c3;hb=42e2f1d1a645156180cbcc664989df78175301d2;hp=caf88a7cc04a8617a86e63988a7cc7a291fe96bc;hpb=fad52d8b98467e18e4112006cebdb1dec39d199a;p=rust-lightning

diff --git a/lightning/src/sync/nostd_sync.rs b/lightning/src/sync/nostd_sync.rs
index caf88a7c..27cfb9b8 100644
--- a/lightning/src/sync/nostd_sync.rs
+++ b/lightning/src/sync/nostd_sync.rs
@@ -1,29 +1,10 @@
 pub use ::alloc::sync::Arc;
 use core::ops::{Deref, DerefMut};
-use core::time::Duration;
 use core::cell::{RefCell, Ref, RefMut};
+use super::{LockTestExt, LockHeldState};
 
 pub type LockResult<Guard> = Result<Guard, ()>;
 
-pub struct Condvar {}
-
-impl Condvar {
-	pub fn new() -> Condvar {
-		Condvar { }
-	}
-
-	pub fn wait<'a, T>(&'a self, guard: MutexGuard<'a, T>) -> LockResult<MutexGuard<'a, T>> {
-		Ok(guard)
-	}
-
-	#[allow(unused)]
-	pub fn wait_timeout<'a, T>(&'a self, guard: MutexGuard<'a, T>, _dur: Duration) -> LockResult<(MutexGuard<'a, T>, ())> {
-		Ok((guard, ()))
-	}
-
-	pub fn notify_all(&self) {}
-}
-
 pub struct Mutex<T: ?Sized> {
 	inner: RefCell<T>
 }
@@ -59,6 +40,21 @@ impl<T> Mutex<T> {
 	pub fn try_lock<'a>(&'a self) -> LockResult<MutexGuard<'a, T>> {
 		Ok(MutexGuard { lock: self.inner.borrow_mut() })
 	}
+
+	pub fn into_inner(self) -> LockResult<T> {
+		Ok(self.inner.into_inner())
+	}
+}
+
+impl<'a, T: 'a> LockTestExt<'a> for Mutex<T> {
+	#[inline]
+	fn held_by_thread(&self) -> LockHeldState {
+		if self.inner.try_borrow_mut().is_err() { return LockHeldState::HeldByThread; }
+		else { return LockHeldState::NotHeldByThread; }
+	}
+	type ExclLock = MutexGuard<'a, T>;
+	#[inline]
+	fn unsafe_well_ordered_double_lock_self(&'a self) -> MutexGuard<T> { self.lock().unwrap() }
 }
 
 pub struct RwLock<T: ?Sized> {
@@ -116,4 +112,15 @@ impl<T> RwLock<T> {
 	}
 }
 
+impl<'a, T: 'a> LockTestExt<'a> for RwLock<T> {
+	#[inline]
+	fn held_by_thread(&self) -> LockHeldState {
+		if self.inner.try_borrow_mut().is_err() { return LockHeldState::HeldByThread; }
+		else { return LockHeldState::NotHeldByThread; }
+	}
+	type ExclLock = RwLockWriteGuard<'a, T>;
+	#[inline]
+	fn unsafe_well_ordered_double_lock_self(&'a self) -> RwLockWriteGuard<T> { self.write().unwrap() }
+}
+
 pub type FairRwLock<T> = RwLock<T>;