From 596cf585ea8dc278d88e0652dffbacbc75de04c6 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Mon, 24 Jun 2019 14:09:12 +0200
Subject: Monotonic trait is safe; add MultiCore trait

---
 src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/lib.rs')

diff --git a/src/lib.rs b/src/lib.rs
index acb3a63d..decd2da1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -117,7 +117,7 @@ impl From<cortex_m::Peripherals> for Peripherals {
 }
 
 /// A monotonic clock / counter
-pub unsafe trait Monotonic {
+pub trait Monotonic {
     /// A measurement of this clock
     type Instant: Copy + Ord + Sub;
 
@@ -134,6 +134,9 @@ pub unsafe trait Monotonic {
     fn zero() -> Self::Instant;
 }
 
+/// A marker trait that indicates that it is correct to use this type in multi-core context
+pub trait MultiCore {}
+
 /// Sets the given `interrupt` as pending
 ///
 /// This is a convenience function around
-- 
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