intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 75 insertions, 0 deletions

diff --git a/contrib/libs/poco/Foundation/src/NamedMutex_WIN32U.cpp b/contrib/libs/poco/Foundation/src/NamedMutex_WIN32U.cpp
new file mode 100644
index 0000000000..1358658b96
--- /dev/null
+++ b/contrib/libs/poco/Foundation/src/NamedMutex_WIN32U.cpp
@@ -0,0 +1,75 @@
+//
+// NamedMutex_WIN32.cpp
+//
+// Library: Foundation
+// Package: Processes
+// Module:  NamedMutex
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#include "Poco/NamedMutex_WIN32U.h"
+#include "Poco/Exception.h"
+#include "Poco/UnicodeConverter.h"
+
+
+namespace Poco {
+
+
+NamedMutexImpl::NamedMutexImpl(const std::string& name):
+	_name(name)
+{
+	UnicodeConverter::toUTF16(_name, _uname);
+	_mutex = CreateMutexW(NULL, FALSE, _uname.c_str());
+	if (!_mutex) 
+		throw SystemException("cannot create named mutex", _name);
+}
+
+
+NamedMutexImpl::~NamedMutexImpl()
+{
+	CloseHandle(_mutex);
+}
+
+
+void NamedMutexImpl::lockImpl()
+{
+	switch (WaitForSingleObject(_mutex, INFINITE))
+	{
+	case WAIT_OBJECT_0:
+		return;
+	case WAIT_ABANDONED:
+		throw SystemException("cannot lock named mutex (abadoned)", _name);
+	default:
+		throw SystemException("cannot lock named mutex", _name);
+	}
+}
+
+
+bool NamedMutexImpl::tryLockImpl()
+{
+	switch (WaitForSingleObject(_mutex, 0))
+	{
+	case WAIT_OBJECT_0:
+		return true;
+	case WAIT_TIMEOUT:
+		return false;
+	case WAIT_ABANDONED:
+		throw SystemException("cannot lock named mutex (abadoned)", _name);
+	default:
+		throw SystemException("cannot lock named mutex", _name);
+	}
+}
+
+
+void NamedMutexImpl::unlockImpl()
+{
+	ReleaseMutex(_mutex);
+}
+
+
+} // namespace Poco