GEEKING

App/util/NamedMutex.cpp

@@ -0,0 +1,52 @@
+#include "stdafx.h"
+
+#include "util/NamedMutex.h"
+#include "FastLog.h"
+#include "RbxFormat.h"
+#include "rbx/Debug.h"
+
+#include <sstream>
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+using namespace RBX;
+
+DYNAMIC_LOGVARIABLE(NamedMutex, 0)
+
+ScopedNamedMutex::ScopedNamedMutex(const char* name)
+{
+    if (DFLog::NamedMutex)
+    {
+        std::stringstream ss;
+        ss << reinterpret_cast<void*>(this) << "): " << name;
+        FASTLOGS(DFLog::NamedMutex, "ScopedNamedMutex(%s", ss.str().c_str());
+    }
+
+    if (NULL == (hMutex = CreateMutex(NULL, false, name)))
+    {
+        boost::system::error_code ec(GetLastError(), boost::system::system_category());
+        throw RBX::runtime_error("ScopedNamedMutex: CreateMutex failed: %s", ec.message().c_str());
+    }
+    if (WAIT_FAILED == WaitForSingleObject(hMutex, INFINITE))
+    {
+        boost::system::error_code ec(GetLastError(), boost::system::system_category());
+        throw RBX::runtime_error("ScopedNamedMutex: WaitForSingleObject failed: %s", ec.message().c_str());
+    }
+}
+
+ScopedNamedMutex::~ScopedNamedMutex()
+{
+    if (hMutex && !ReleaseMutex(hMutex) && DFLog::NamedMutex)
+    {
+        boost::system::error_code ec(GetLastError(), boost::system::system_category());
+        std::stringstream ss;
+        ss << reinterpret_cast<void*>(this) << "): " << ec.message();
+        FASTLOGS(DFLog::NamedMutex, "~ScopedNamedMutex(%s", ss.str().c_str());
+    }
+    else
+    {
+        FASTLOG1(DFLog::NamedMutex, "~ScopedNamedMutex(%p)", this);
+    }
+}