Add atomic comparison operators.

git-svn-id: http://svn.drobilla.net/lad/trunk/raul@4684 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 16 insertions, 0 deletions

diff --git a/raul/AtomicInt.hpp b/raul/AtomicInt.hpp
index 2fd624c..172af6b 100644
--- a/raul/AtomicInt.hpp
+++ b/raul/AtomicInt.hpp
@@ -51,6 +51,11 @@ public:
 	inline int        operator+(int val)  const { return get() + val; }
 	inline int        operator-(int val)  const { return get() - val; }
 
+	inline bool operator==(const AtomicInt& other) const {
+		Raul::barrier();
+		return _val == other._val;
+	}
+
 	inline AtomicInt& operator+=(int val) {
 		__sync_fetch_and_add(&_val, val);
 		return *this;
diff --git a/raul/AtomicPtr.hpp b/raul/AtomicPtr.hpp
index 91c5c35..0dc369b 100644
--- a/raul/AtomicPtr.hpp
+++ b/raul/AtomicPtr.hpp
@@ -38,6 +38,11 @@ public:
 		return static_cast<T*>(_val);
 	}
 
+	inline bool operator==(const AtomicPtr& other) const {
+		Raul::barrier();
+		return _val == other._val;
+	}
+
 	inline void operator=(T* val) {
 		_val = val;
 		Raul::barrier();
diff --git a/test/atomic_test.cpp b/test/atomic_test.cpp
index e3a8d73..5b6260c 100644
--- a/test/atomic_test.cpp
+++ b/test/atomic_test.cpp
@@ -29,6 +29,9 @@ main()
 	AtomicInt i(0);
 	TEST(i == 0);
 
+	AtomicInt j(i);
+	TEST(i == j);
+
 	++i;
 	TEST(i == 1);
 
@@ -59,6 +62,9 @@ main()
 	AtomicPtr<int> p;
 	TEST(p.get() == NULL);
 
+	AtomicPtr<int> q(p);
+	TEST(p == q);
+
 	p = &five;
 	TEST(p.get() == &five);
 	TEST(*p.get() == 5);