1 files changed, 59 insertions, 0 deletions
diff --git a/runtime/objects.cc b/runtime/objects.cc
new file mode 100644
index 0000000..374b185
--- /dev/null
+++ b/runtime/objects.cc
@@ -0,0 +1,59 @@
+#include "objects.h"
+
+#ifdef WIN_DRIVER
+
+extern "C" EXCEPTION_DISPOSITION __cdecl __CxxFrameHandler3(int a, int b, int c, int d)
+{
+	return ExceptionContinueSearch;
+}
+
+#endif
+
+/**
+ * CriticalSection
+ */
+
+CriticalSection::CriticalSection(CRITICAL_SECTION &critical_section)
+	: critical_section_(critical_section)
+{
+#ifdef VMP_GNU
+	pthread_mutex_lock(&critical_section_);
+#elif defined(WIN_DRIVER)
+	KeWaitForMutexObject(&critical_section_, Executive, KernelMode, FALSE, NULL);
+#else
+	EnterCriticalSection(&critical_section_);
+#endif
+}
+	
+CriticalSection::~CriticalSection()
+{
+#ifdef VMP_GNU
+	pthread_mutex_unlock(&critical_section_);
+#elif defined(WIN_DRIVER)
+	KeReleaseMutex(&critical_section_, FALSE);
+#else
+	LeaveCriticalSection(&critical_section_);
+#endif
+}
+
+void CriticalSection::Init(CRITICAL_SECTION &critical_section)
+{
+#ifdef VMP_GNU
+	pthread_mutex_init(&critical_section, NULL);
+#elif defined(WIN_DRIVER)
+	KeInitializeMutex(&critical_section, 0);
+#else
+	InitializeCriticalSection(&critical_section);
+#endif
+}
+
+void CriticalSection::Free(CRITICAL_SECTION &critical_section)
+{
+#ifdef VMP_GNU
+	pthread_mutex_destroy(&critical_section);
+#elif defined(WIN_DRIVER)
+	// do nothing
+#else
+	DeleteCriticalSection(&critical_section);
+#endif
+}
+\ No newline at end of file