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// processinfo.cpp
/* Copyright 2009 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 "pch.h"
#include "processinfo.h"
#include "mmap.h"
#include <iostream>
using namespace std;
namespace mongo {
class PidFileWiper {
public:
~PidFileWiper() {
ofstream out( path.c_str() , ios_base::out );
out.close();
}
void write( const string& p ) {
path = p;
ofstream out( path.c_str() , ios_base::out );
out << getpid() << endl;
out.close();
}
string path;
} pidFileWiper;
void writePidFile( const string& path ) {
pidFileWiper.write( path );
}
void printMemInfo( const char * where ) {
cout << "mem info: ";
if ( where )
cout << where << " ";
ProcessInfo pi;
if ( ! pi.supported() ) {
cout << " not supported" << endl;
return;
}
cout << "vsize: " << pi.getVirtualMemorySize() << " resident: " << pi.getResidentSize() << " mapped: " << ( MemoryMappedFile::totalMappedLength() / ( 1024 * 1024 ) ) << endl;
}
}
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