Provided move constructor & move assignment oper. for SpinLock to fix errors related to deleted copy ctors of atomics

Signed-Off-By: Salman A. Faruqi <[email protected]>

Author: safaruqi

CMakeLists.txt

@@ -45,7 +45,7 @@ set(CMAKE_BUILD_TYPE Debug)
 
 #Set the compiler if the CXX environment variable is not set
 if (NOT CMAKE_CXX_COMPILER)
-    set(CMAKE_CXX_COMPILER g++)
+    set(CMAKE_CXX_COMPILER clang)
 endif()
 #Set the compiler if the CXX_STANDARD environment variable is not set
 if (NOT CMAKE_CXX_STANDARD)
@@ -58,7 +58,7 @@ endif()
 if (QUANTUM_VERBOSE_MAKEFILE)
     message(STATUS "CMAKE_CXX_FLAGS = ${CMAKE_CXX_FLAGS}")
 endif()
-
+set(CXX_EXTENSIONS ON)
 # Determine if this is a 32 or 64 bit build
 math(EXPR BITS "8*${CMAKE_SIZEOF_VOID_P}")
 

quantum/impl/quantum_spinlock_impl.h

@@ -28,6 +28,19 @@ namespace quantum {
 //==============================================================================
 //                                   SpinLock
 //==============================================================================
+inline
+SpinLock::SpinLock(SpinLock&& o) : _flag(o._flag.load()) { }
+
+inline
+SpinLock& SpinLock::operator=(SpinLock&& o)
+{
+    if(this != &o)
+    {
+        _flag.store(o._flag.load());
+    }
+    return *this;
+}
+
 inline
 void SpinLock::lock()
 {

quantum/quantum_spinlock.h

@@ -39,13 +39,13 @@ class SpinLock
     SpinLock(const SpinLock&) = delete;
 
     /// @brief Move constructor.
-    SpinLock(SpinLock&&) = default;
+    SpinLock(SpinLock&&);
 
     /// @brief Copy assignment operator.
     SpinLock& operator=(const SpinLock&) = delete;
 
     /// @brief Move assignment operator.
-    SpinLock& operator=(SpinLock&&) = default;
+    SpinLock& operator=(SpinLock&&);
 
     /// @brief Locks this object.
     /// @note Blocks the current thread until the lock is acquired. Blocking is achieved