analysis-utilities/IOUtils_8hpp_source.html

#ifndef IOUTILS_H

#define IOUTILS_H


#include <TFile.h>

#include <TString.h>

#include <TSystem.h>


namespace IO {


void SetRootFilesBaseDir(const TString &dir);


TString GetRootFilesBaseDir();


void SetThreadSafe(Bool_t enabled = kTRUE);


Bool_t IsThreadSafe();


TFile *OpenForReading(const TString &subpath);


TFile *OpenForWriting(const TString &subpath, const TString mode = "RECREATE");


class ScopedRootLock {

public:

  ScopedRootLock();

  ~ScopedRootLock();


private:

  Bool_t engaged_;

  ScopedRootLock(const ScopedRootLock &);

  ScopedRootLock &operator=(const ScopedRootLock &);

};


} // namespace IO


#endif

IO::ScopedRootLock::ScopedRootLock
ScopedRootLock()
Acquire the shared file-open lock if thread-safe mode is on.
Definition IOUtils.cpp:48

IO::ScopedRootLock::~ScopedRootLock
~ScopedRootLock()
Release the lock if this guard acquired one.
Definition IOUtils.cpp:53

IO
Path-aware ROOT file helpers with optional thread-safe opening.
Definition IOUtils.hpp:18

IO::GetRootFilesBaseDir
TString GetRootFilesBaseDir()
Current base directory for relative subpaths, without trailing slash.
Definition IOUtils.cpp:37

IO::SetRootFilesBaseDir
void SetRootFilesBaseDir(const TString &dir)
Set the base directory that relative subpaths resolve against.
Definition IOUtils.cpp:30

IO::IsThreadSafe
Bool_t IsThreadSafe()
Whether thread-safe file opening is currently engaged.
Definition IOUtils.cpp:46

IO::SetThreadSafe
void SetThreadSafe(Bool_t enabled=kTRUE)
Enable ROOT thread safety and serialise file opening.
Definition IOUtils.cpp:39

IO::OpenForWriting
TFile * OpenForWriting(const TString &subpath, const TString mode="RECREATE")
Open a ROOT file for writing, creating parent directories first.
Definition IOUtils.cpp:68

IO::OpenForReading
TFile * OpenForReading(const TString &subpath)
Open a ROOT file for reading, resolved against the base directory.
Definition IOUtils.cpp:58