Add mesosphere (VERY VERY WIP)

mesosphere/source/threading/KConditionVariable.cpp

@@ -0,0 +1,39 @@
+#include <mesosphere/threading/KConditionVariable.hpp>
+#include <mesosphere/threading/KScheduler.hpp>
+#include <mesosphere/core/KCoreContext.hpp>
+
+namespace mesosphere
+{
+
+void KConditionVariable::wait_until_impl(const KSystemClock::time_point &timeoutPoint) noexcept
+{
+    // Official kernel counts number of waiters, but that isn't necessary
+    {
+        KThread *currentThread = KCoreContext::GetCurrentInstance().GetCurrentThread();
+        std::lock_guard guard{KScheduler::GetCriticalSection()};
+        mutex_.unlock();
+        if (currentThread->WaitForKernelSync(waiterList)) {
+            (void)timeoutPoint; //TODO!
+        } else {
+            // Termination
+        }
+    }
+    mutex_.lock();
+}
+
+void KConditionVariable::notify_one() noexcept
+{
+    std::lock_guard guard{KScheduler::GetCriticalSection()};
+    auto t = waiterList.begin();
+    if (t != waiterList.end()) {
+        t->ResumeFromKernelSync();
+    }
+}
+
+void KConditionVariable::notify_all() noexcept
+{
+    std::lock_guard guard{KScheduler::GetCriticalSection()};
+    KThread::ResumeAllFromKernelSync(waiterList);
+}
+
+}