[PATCH 2/6] ipa: rpi: Add erase()/eraseLocked() to RPiController::Metadata

[Naushir Patuck]

These function erases a key/value pair from the metadata object.

Signed-off-by: Naushir Patuck <naush at raspberrypi.com>
---
 src/ipa/rpi/controller/metadata.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/ipa/rpi/controller/metadata.h b/src/ipa/rpi/controller/metadata.h
index eda4b59bca9a..62e54051f8f4 100644
--- a/src/ipa/rpi/controller/metadata.h
+++ b/src/ipa/rpi/controller/metadata.h
@@ -90,6 +90,12 @@ public:
 		data_.insert(other.data_.begin(), other.data_.end());
 	}
 
+	void erase(std::string const &tag)
+	{
+		std::scoped_lock lock(mutex_);
+		eraseLocked(tag);
+	}
+
 	template<typename T>
 	T *getLocked(std::string const &tag)
 	{
@@ -110,6 +116,14 @@ public:
 		data_[tag] = std::forward<T>(value);
 	}
 
+	void eraseLocked(std::string const &tag)
+	{
+		auto it = data_.find(tag);
+		if (it == data_.end())
+			return;
+		data_.erase(it);
+	}
+
 	/*
 	 * Note: use of (lowercase) lock and unlock means you can create scoped
 	 * locks with the standard lock classes.
-- 
2.43.0