From 847c341d9e555573634d0da652eec2bd202a8127 Mon Sep 17 00:00:00 2001
From: Sara <sara@objectionable.solutions>
Date: Fri, 17 Apr 2026 15:46:35 +0200
Subject: [PATCH] feat: SharedMutex is_locked; use of binary mtx

---
 modules/terrain/shared_mutex.cpp | 10 ++++++++++
 modules/terrain/shared_mutex.h   |  5 +++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/modules/terrain/shared_mutex.cpp b/modules/terrain/shared_mutex.cpp
index 0a5971e4..f52564a0 100644
--- a/modules/terrain/shared_mutex.cpp
+++ b/modules/terrain/shared_mutex.cpp
@@ -28,6 +28,16 @@ void SharedMutex::unlock_exclusive() {
 	this->lock.unlock();
 }
 
+bool SharedMutex::is_locked() {
+	if (this->lock.try_lock()) {
+		bool locked{ this->shared_count != 0 };
+		this->lock.unlock();
+		return locked;
+	} else {
+		return false;
+	}
+}
+
 SharedMutex::LockExclusive::LockExclusive(SharedMutex &mutex) : mtx{ mutex } {
 	this->mtx.lock_exclusive();
 }
diff --git a/modules/terrain/shared_mutex.h b/modules/terrain/shared_mutex.h
index fcb0e6bd..3f47f998 100644
--- a/modules/terrain/shared_mutex.h
+++ b/modules/terrain/shared_mutex.h
@@ -7,10 +7,11 @@ struct SharedMutex {
 	void unlock_shared();
 	void lock_exclusive();
 	void unlock_exclusive();
+	bool is_locked();
 
 private:
-	Mutex lock{};
-	int shared_count{};
+	BinaryMutex lock{};
+	unsigned shared_count{};
 
 public:
 	class LockExclusive {