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/* Copyright 2013 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#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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