lib/arch: Add IArchMultithread::wait_cond_var() for standard mutex

src/lib/arch/IArchMultithread.cpp

@@ -21,6 +21,12 @@
 
 bool IArchMultithread::waitCondVar(ArchCond cond, ArchMutexLock& lock,
                                    double timeout)
+{
+    return wait_cond_var(*cond, lock.lock, timeout);
+}
+
+bool IArchMultithread::wait_cond_var(std::condition_variable& cv,
+                                     std::unique_lock<std::mutex>& lock, double timeout)
 {
     // we can't wait on a condition variable and also wake it up for
     // cancellation since we don't use posix cancellation.  so we
@@ -38,7 +44,7 @@ bool IArchMultithread::waitCondVar(ArchCond cond, ArchMutexLock& lock,
     // see if we should cancel this thread
     testCancelThread();
 
-    auto ret = cond->wait_for(lock.lock, seconds_to_chrono(timeout));
+    auto ret = cv.wait_for(lock, seconds_to_chrono(timeout));
 
     // check for cancel again
     testCancelThread();
@@ -47,3 +53,5 @@ bool IArchMultithread::waitCondVar(ArchCond cond, ArchMutexLock& lock,
         return true;
     return false;
 }
+
+

src/lib/arch/IArchMultithread.h

@@ -110,6 +110,9 @@ public:
     */
     bool waitCondVar(ArchCond cv, ArchMutexLock& lock, double timeout);
 
+    bool wait_cond_var(std::condition_variable& cv, std::unique_lock<std::mutex>& lock,
+                       double timeout);
+
     //
     // mutex methods
     //