olb::olb_fstream Class Reference

#include <parallelIO.h>

Inheritance diagram for olb::olb_fstream:

Collaboration diagram for olb::olb_fstream:

Public Member Functions
	olb_fstream ()
	olb_fstream (const char *filename, openmode mode=in|out)
	~olb_fstream () override
std::streambuf *	rdbuf () const
bool	is_open ()
void	open (const char *filename, openmode mode=in|out)
void	close ()

Detailed Description

Definition at line 92 of file parallelIO.h.

Constructor & Destructor Documentation

olb_fstream() [1/2]

olb::olb_fstream::olb_fstream

(

)

Definition at line 354 of file parallelIO.h.

                         : std::iostream(nullptr), fbuf(), mybuf(&fbuf)
{
  this->init(&mybuf);
}

olb_fstream() [2/2]

olb::olb_fstream::olb_fstream ( const char * filename, openmode mode = in | out )

explicit

Definition at line 359 of file parallelIO.h.

  : std::iostream(nullptr), fbuf(), mybuf(&fbuf)
{
  init(&mybuf);
  open(filename, mode);
}

References open().

Here is the call graph for this function:

~olb_fstream()

olb::olb_fstream::~olb_fstream ( )

override

Definition at line 366 of file parallelIO.h.

{ }

Member Function Documentation

close()

void olb::olb_fstream::close

(

)

Definition at line 399 of file parallelIO.h.

{
  int ok;
#ifdef PARALLEL_MODE_MPI
  if (singleton::mpi().isMainProcessor()) {
#endif
    ok = (bool) fbuf.close();
#ifdef PARALLEL_MODE_MPI
  }
  singleton::mpi().bCast(&ok, 1);
#endif
  if (!ok) {
    setstate(ios_base::failbit);
  }
}

References olb::singleton::MpiManager::bCast(), and olb::singleton::mpi().

Here is the call graph for this function:

is_open()

bool olb::olb_fstream::is_open

(

)

Definition at line 376 of file parallelIO.h.

{
  return fbuf.is_open();
}

open()

void olb::olb_fstream::open	(	const char *	filename,
		openmode	mode = in | out )

Definition at line 382 of file parallelIO.h.

{
  int ok;
#ifdef PARALLEL_MODE_MPI
  if (singleton::mpi().isMainProcessor()) {
#endif
    ok = (bool) fbuf.open(filename, mode);
#ifdef PARALLEL_MODE_MPI
  }
  singleton::mpi().bCast(&ok, 1);
#endif
  if (!ok) {
    this->setstate(ios_base::failbit);
  }
}

References olb::singleton::MpiManager::bCast(), and olb::singleton::mpi().

Here is the call graph for this function:

Here is the caller graph for this function:

rdbuf()

std::streambuf * olb::olb_fstream::rdbuf

(

)

const

Definition at line 370 of file parallelIO.h.

{
  return const_cast<ParBuf*>(&mybuf);
}

---

The documentation for this class was generated from the following file:

• src/io/parallelIO.h