icinga2/lib/base/atomic-file.hpp

35 lines
562 B
C++

/* Icinga 2 | (c) 2022 Icinga GmbH | GPLv2+ */
#ifndef ATOMIC_FILE_H
#define ATOMIC_FILE_H
#include "base/string.hpp"
#include <boost/iostreams/device/file_descriptor.hpp>
#include <boost/iostreams/stream.hpp>
namespace icinga
{
/**
* Atomically replaces a file's content.
*
* @ingroup base
*/
class AtomicFile : public boost::iostreams::stream<boost::iostreams::file_descriptor>
{
public:
AtomicFile(String path, int mode);
~AtomicFile();
void Commit();
private:
String m_Path;
String m_TempFilename;
int m_Fd;
};
}
#endif /* ATOMIC_FILE_H */