Mutants.

src/xenia/kernel/objects/xmutant.cc

@@ -0,0 +1,51 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/kernel/objects/xmutant.h>
+
+
+using namespace xe;
+using namespace xe::kernel;
+
+
+XMutant::XMutant(KernelState* kernel_state) :
+    XObject(kernel_state, kTypeMutant),
+    handle_(NULL) {
+}
+
+XMutant::~XMutant() {
+  if (handle_) {
+    CloseHandle(handle_);
+  }
+}
+
+void XMutant::Initialize(bool initial_owner) {
+  XEASSERTNULL(handle_);
+
+  handle_ = CreateMutex(NULL, initial_owner ? TRUE : FALSE, NULL);
+}
+
+void XMutant::InitializeNative(void* native_ptr, DISPATCH_HEADER& header) {
+  XEASSERTNULL(handle_);
+
+  // Haven't seen this yet, but it's possible.
+  XEASSERTALWAYS();
+}
+
+X_STATUS XMutant::ReleaseMutant(
+    uint32_t priority_increment, bool abandon, bool wait) {
+  // TODO(benvanik): abandoning.
+  XEASSERTFALSE(abandon);
+  BOOL result = ReleaseMutex(handle_);
+  if (result) {
+    return X_STATUS_SUCCESS;
+  } else {
+    return X_STATUS_MUTANT_NOT_OWNED;
+  }
+}