From 982ac1effd07be6fca30c1a1b06a8dd1d3784d6f Mon Sep 17 00:00:00 2001
From: Albin Hedman <albin9604@gmail.com>
Date: Thu, 14 Aug 2025 19:27:56 +0200
Subject: [PATCH] impl Send and Sync

---
 probe-plotter/src/metric.rs  | 8 ++++++++
 probe-plotter/src/setting.rs | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/probe-plotter/src/metric.rs b/probe-plotter/src/metric.rs
index 23fdf8c..cd0dfa1 100644
--- a/probe-plotter/src/metric.rs
+++ b/probe-plotter/src/metric.rs
@@ -15,6 +15,14 @@ pub struct Metric<T: Metricable> {
     x: *mut T,
 }
 
+// Safety: No one besides us and the debug probe has the raw pointer, so we can safely transfer
+// Metric to another thread / execution context if T can be safely transferred.
+unsafe impl<T> Send for Metric<T> where T: Send + Metricable {}
+
+// Safety: We only allow mutability through exclusive references so there is no risk
+// in having multiple shared references to this value across threads/execution contexts
+unsafe impl<T> Sync for Metric<T> where T: Sync + Metricable {}
+
 /// Create using [make_metric]
 ///
 /// ```
diff --git a/probe-plotter/src/setting.rs b/probe-plotter/src/setting.rs
index bd5d976..d8f2609 100644
--- a/probe-plotter/src/setting.rs
+++ b/probe-plotter/src/setting.rs
@@ -6,6 +6,14 @@ pub struct Setting<T: Metricable> {
     x: *mut T,
 }
 
+// Safety: No one besides us and the debug probe has the raw pointer, so we can safely transfer
+// Setting to another thread / execution context if T can be safely transferred.
+unsafe impl<T> Send for Setting<T> where T: Send + Metricable {}
+
+// Safety: We only allow mutability through exclusive references so there is no risk
+// in having multiple shared references to this value across threads/execution contexts
+unsafe impl<T> Sync for Setting<T> where T: Sync + Metricable {}
+
 /// Create using [make_setting]
 ///
 /// ```