diff --git a/src/tools/cppunit/SemaphoreSyncObject.cpp b/src/tools/cppunit/SemaphoreSyncObject.cpp
new file mode 100644
index 0000000000..017a7b0401
--- /dev/null
+++ b/src/tools/cppunit/SemaphoreSyncObject.cpp
@@ -0,0 +1,25 @@
+#include <SemaphoreSyncObject.h>
+#include <cppunit/Exception.h>
+
+SemaphoreSyncObject::SemaphoreSyncObject()
+	: fSemId(create_sem(1, "CppUnitSync"))
+{
+	if (fSemId < B_OK)
+		throw CppUnit::Exception("SemaphoreSyncObject::SemaphoreSyncObject() -- Error creating semaphore");
+}
+
+SemaphoreSyncObject::~SemaphoreSyncObject() {
+	delete_sem(fSemId);
+}
+
+void
+SemaphoreSyncObject::lock() {
+	if (acquire_sem(fSemId) < B_OK)
+		throw CppUnit::Exception("SemaphoreSyncObject::lock() -- Error acquiring semaphore");
+}
+
+void
+SemaphoreSyncObject::unlock() {
+	if (release_sem(fSemId) < B_OK)
+		throw CppUnit::Exception("SemaphoreSyncObject::unlock() -- Error releasing semaphore");
+}