X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=lightning%2Fsrc%2Fsync%2Fnostd_sync.rs;fp=lightning%2Fsrc%2Fsync%2Fnostd_sync.rs;h=ee3e375028eba44bbb0ac723b0eb520c398be227;hb=a1b5a1bba38e0a4ab08603adbcf9e54f27e86f19;hp=17307997d8176cc2b82a0d9559307971f3e2c252;hpb=2fab8873f939242bcde16ee4b9a107d288e8c535;p=rust-lightning

diff --git a/lightning/src/sync/nostd_sync.rs b/lightning/src/sync/nostd_sync.rs
index 17307997..ee3e3750 100644
--- a/lightning/src/sync/nostd_sync.rs
+++ b/lightning/src/sync/nostd_sync.rs
@@ -8,6 +8,11 @@ pub type LockResult<Guard> = Result<Guard, ()>;
 
 pub struct Condvar {}
 
+pub struct WaitTimeoutResult(bool);
+impl WaitTimeoutResult {
+	pub fn timed_out(&self) -> bool { self.0 }
+}
+
 impl Condvar {
 	pub fn new() -> Condvar {
 		Condvar { }
@@ -22,6 +27,22 @@ impl Condvar {
 		Ok((guard, ()))
 	}
 
+	pub fn wait_while<'a, T, F: FnMut(&mut T) -> bool>(&'a self, mut guard: MutexGuard<'a, T>, mut condition: F)
+	-> LockResult<MutexGuard<'a, T>> {
+		assert!(!condition(&mut *guard));
+		Ok(guard)
+	}
+
+	#[allow(unused)]
+	pub fn wait_timeout_while<'a, T, F: FnMut(&mut T) -> bool>(&'a self, mut guard: MutexGuard<'a, T>, dur: Duration, mut condition: F)
+	-> LockResult<(MutexGuard<'a, T>, WaitTimeoutResult)> {
+		if condition(&mut *guard) {
+			Ok((guard, WaitTimeoutResult(true)))
+		} else {
+			Ok((guard, WaitTimeoutResult(false)))
+		}
+	}
+
 	pub fn notify_all(&self) {}
 }