PipeFDEntry Class Reference

Holds the metadata needed to maintain the mappings for file descriptors allocated with the pipe() system calls and its variants. More...

#include <fd_entry.hh>

Inheritance diagram for PipeFDEntry:

Public Types
enum	EndType { read = 0, write = 1 }

Public Member Functions
	PipeFDEntry (int sim_fd, int flags, EndType pipe_end_type, bool close_on_exec=false)
	PipeFDEntry (PipeFDEntry const &pipe, bool close_on_exec=false)
std::shared_ptr< FDEntry >	clone () const override
EndType	getEndType () const
int	getPipeReadSource () const
void	setPipeReadSource (int tgt_fd)
void	setEndType (EndType type)
void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...
void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...
Public Member Functions inherited from HBFDEntry
	HBFDEntry (int flags, int sim_fd, bool close_on_exec=false)
int	getFlags () const
int	getSimFD () const
void	setFlags (int flags)
void	setSimFD (int sim_fd)
Public Member Functions inherited from FDEntry
	FDEntry (bool close_on_exec=false)
bool	getCOE () const
void	setCOE (bool close_on_exec)
Public Member Functions inherited from Serializable
	Serializable ()
virtual	~Serializable ()
void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...
void	serializeSection (CheckpointOut &cp, const std::string &name) const
void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...
void	unserializeSection (CheckpointIn &cp, const std::string &name)

Private Attributes
int	_pipeReadSource
EndType	_pipeEndType

Additional Inherited Members
Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Get the fully-qualified name of the active section. More...
static void	serializeAll (const std::string &cpt_dir)
static void	unserializeGlobals (CheckpointIn &cp)
Static Public Attributes inherited from Serializable
static int	ckptCount = 0
static int	ckptMaxCount = 0
static int	ckptPrevCount = -1
Protected Attributes inherited from HBFDEntry
int	_flags
int	_simFD
Protected Attributes inherited from FDEntry
bool	_closeOnExec

Detailed Description

Holds the metadata needed to maintain the mappings for file descriptors allocated with the pipe() system calls and its variants.

Definition at line 140 of file fd_entry.hh.

Member Enumeration Documentation

enum PipeFDEntry::EndType

Enumerator
read
write

Definition at line 143 of file fd_entry.hh.

Constructor & Destructor Documentation

PipeFDEntry::PipeFDEntry ( int  sim_fd, int  flags, EndType  pipe_end_type, bool  close_on_exec = false  )

inline

Definition at line 148 of file fd_entry.hh.

PipeFDEntry::PipeFDEntry ( PipeFDEntry const &  pipe, bool  close_on_exec = false  )

inline

Definition at line 154 of file fd_entry.hh.

Member Function Documentation

std::shared_ptr<FDEntry> PipeFDEntry::clone ( ) const

inlineoverridevirtual

Implements FDEntry.

Definition at line 161 of file fd_entry.hh.

EndType PipeFDEntry::getEndType ( ) const

inline

Definition at line 166 of file fd_entry.hh.

References _pipeEndType.

int PipeFDEntry::getPipeReadSource ( ) const

inline

Definition at line 167 of file fd_entry.hh.

References _pipeReadSource.

void PipeFDEntry::serialize ( CheckpointOut &  cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Reimplemented from FDEntry.

Definition at line 71 of file fd_entry.cc.

References FDEntry::_closeOnExec, HBFDEntry::_flags, and SERIALIZE_SCALAR.

void PipeFDEntry::setEndType ( EndType  type )

inline

Definition at line 170 of file fd_entry.hh.

References _pipeEndType, and X86ISA::type.

void PipeFDEntry::setPipeReadSource ( int  tgt_fd )

inline

Definition at line 169 of file fd_entry.hh.

References _pipeReadSource.

void PipeFDEntry::unserialize ( CheckpointIn &  cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Reimplemented from FDEntry.

Definition at line 79 of file fd_entry.cc.

References FDEntry::_closeOnExec, HBFDEntry::_flags, and UNSERIALIZE_SCALAR.

Member Data Documentation

EndType PipeFDEntry::_pipeEndType

private

Definition at line 177 of file fd_entry.hh.

Referenced by getEndType(), and setEndType().

int PipeFDEntry::_pipeReadSource

private

Definition at line 176 of file fd_entry.hh.

Referenced by getPipeReadSource(), and setPipeReadSource().

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

• sim/fd_entry.hh
• sim/fd_entry.cc