core: Make the exclusive monitor a unique_ptr instead of a shared_ptr

Like the barrier, this is owned entirely by the System and will always
outlive the encompassing state, so shared ownership semantics aren't
necessary here.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/core/core.cpp b/src/core/core.cpp
index 1b9b1f608..876469ee3 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -142,7 +142,7 @@ struct System::Impl {
         cpu_barrier = std::make_unique<CpuBarrier>();
         cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
         for (std::size_t index = 0; index < cpu_cores.size(); ++index) {
-            cpu_cores[index] = std::make_shared<Cpu>(cpu_exclusive_monitor, *cpu_barrier, index);
+            cpu_cores[index] = std::make_shared<Cpu>(*cpu_exclusive_monitor, *cpu_barrier, index);
         }
 
         telemetry_session = std::make_unique<Core::TelemetrySession>();
@@ -245,6 +245,7 @@ struct System::Impl {
         for (auto& cpu_core : cpu_cores) {
             cpu_core.reset();
         }
+        cpu_exclusive_monitor.reset();
         cpu_barrier.reset();
 
         // Shutdown kernel and core timing
@@ -282,7 +283,7 @@ struct System::Impl {
     std::unique_ptr<VideoCore::RendererBase> renderer;
     std::unique_ptr<Tegra::GPU> gpu_core;
     std::shared_ptr<Tegra::DebugContext> debug_context;
-    std::shared_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
+    std::unique_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
     std::unique_ptr<CpuBarrier> cpu_barrier;
     std::array<std::shared_ptr<Cpu>, NUM_CPU_CORES> cpu_cores;
     std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> cpu_core_threads;