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/* Copyright 2013 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mongo/platform/basic.h"
#include "mongo/platform/process_id.h"
#include <boost/static_assert.hpp>
#include <iostream>
#include <sstream>
#include <limits>
namespace mongo {
BOOST_STATIC_ASSERT(sizeof(NativeProcessId) == sizeof(uint32_t));
namespace {
#ifdef _WIN32
inline NativeProcessId getCurrentNativeProcessId() { return GetCurrentProcessId(); }
#else
inline NativeProcessId getCurrentNativeProcessId() { return getpid(); }
#endif
} // namespace
ProcessId ProcessId::getCurrent() {
return fromNative(getCurrentNativeProcessId());
}
int64_t ProcessId::asInt64() const {
typedef std::numeric_limits<NativeProcessId> limits;
if (limits::is_signed)
return _npid;
else
return static_cast<int64_t>(static_cast<uint64_t>(_npid));
}
long long ProcessId::asLongLong() const {
return static_cast<long long>(asInt64());
}
std::string ProcessId::toString() const {
std::ostringstream os;
os << *this;
return os.str();
}
std::ostream& operator<<(std::ostream& os, ProcessId pid) {
return os << pid.toNative();
}
} // namespace mongo
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