subprocess::detail::Streams Class Reference

#include <subprocess.h>

Collaboration diagram for subprocess::detail::Streams:

Public Member Functions
	Streams ()
	Streams (const Streams &)=delete
Streams &	operator= (const Streams &)=delete
	Streams (Streams &&)=default
Streams &	operator= (Streams &&)=default
void	setup_comm_channels ()
void	cleanup_fds ()
void	close_parent_fds ()
void	close_child_fds ()
FILE *	input ()
FILE *	output ()
FILE *	error ()
void	input (FILE *fp)
void	output (FILE *fp)
void	error (FILE *fp)
void	set_out_buf_cap (size_t cap)
void	set_err_buf_cap (size_t cap)
int	send (const char *msg, size_t length)
int	send (const std::vector< char > &msg)
std::pair< OutBuffer, ErrBuffer >	communicate (const char *msg, size_t length)
std::pair< OutBuffer, ErrBuffer >	communicate (const std::vector< char > &msg)

Public Attributes
std::shared_ptr< FILE >	input_ = nullptr
std::shared_ptr< FILE >	output_ = nullptr
std::shared_ptr< FILE >	error_ = nullptr
int	write_to_child_ = -1
int	read_from_parent_ = -1
int	write_to_parent_ = -1
int	read_from_child_ = -1
int	err_write_ = -1
int	err_read_ = -1

Private Attributes
Communication	comm_

Detailed Description

This is a helper class to Popen. It takes care of management of all the file descriptors and file pointers. It dispatches of the communication aspects to the Communication class. Read through the data members to understand about the various file descriptors used.

Definition at line 810 of file subprocess.h.

Constructor & Destructor Documentation

Streams() [1/3]

subprocess::detail::Streams::Streams ( )

inline

Definition at line 813 of file subprocess.h.

Streams() [2/3]

subprocess::detail::Streams::Streams ( const Streams &  )

delete

Streams() [3/3]

subprocess::detail::Streams::Streams ( Streams &&  )

default

Member Function Documentation

cleanup_fds()

void subprocess::detail::Streams::cleanup_fds ( )

inline

Definition at line 822 of file subprocess.h.

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close_child_fds()

void subprocess::detail::Streams::close_child_fds ( )

inline

Definition at line 842 of file subprocess.h.

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close_parent_fds()

void subprocess::detail::Streams::close_parent_fds ( )

inline

Definition at line 835 of file subprocess.h.

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communicate() [1/2]

std::pair< OutBuffer, ErrBuffer > subprocess::detail::Streams::communicate ( const char *  msg, size_t  length  )

inline

Definition at line 867 of file subprocess.h.

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communicate() [2/2]

std::pair< OutBuffer, ErrBuffer > subprocess::detail::Streams::communicate ( const std::vector< char > &  msg )

inline

Definition at line 870 of file subprocess.h.

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error() [1/2]

FILE * subprocess::detail::Streams::error ( )

inline

Definition at line 851 of file subprocess.h.

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error() [2/2]

void subprocess::detail::Streams::error ( FILE *  fp )

inline

Definition at line 855 of file subprocess.h.

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input() [1/2]

FILE * subprocess::detail::Streams::input ( )

inline

Definition at line 849 of file subprocess.h.

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input() [2/2]

void subprocess::detail::Streams::input ( FILE *  fp )

inline

Definition at line 853 of file subprocess.h.

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operator=() [1/2]

Streams & subprocess::detail::Streams::operator= ( const Streams &  )

delete

operator=() [2/2]

Streams & subprocess::detail::Streams::operator= ( Streams &&  )

default

output() [1/2]

FILE * subprocess::detail::Streams::output ( )

inline

Definition at line 850 of file subprocess.h.

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output() [2/2]

void subprocess::detail::Streams::output ( FILE *  fp )

inline

Definition at line 854 of file subprocess.h.

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send() [1/2]

int subprocess::detail::Streams::send ( const char *  msg, size_t  length  )

inline

Definition at line 861 of file subprocess.h.

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send() [2/2]

int subprocess::detail::Streams::send ( const std::vector< char > &  msg )

inline

Definition at line 864 of file subprocess.h.

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set_err_buf_cap()

void subprocess::detail::Streams::set_err_buf_cap ( size_t  cap )

inline

Definition at line 858 of file subprocess.h.

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set_out_buf_cap()

void subprocess::detail::Streams::set_out_buf_cap ( size_t  cap )

inline

Definition at line 857 of file subprocess.h.

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setup_comm_channels()

void subprocess::detail::Streams::setup_comm_channels ( )

inline

Definition at line 1321 of file subprocess.h.

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Member Data Documentation

comm_

Communication subprocess::detail::Streams::comm_

private

Definition at line 904 of file subprocess.h.

err_read_

int subprocess::detail::Streams::err_read_ = -1

Definition at line 901 of file subprocess.h.

err_write_

int subprocess::detail::Streams::err_write_ = -1

Definition at line 900 of file subprocess.h.

error_

std::shared_ptr<FILE> subprocess::detail::Streams::error_ = nullptr

Definition at line 878 of file subprocess.h.

input_

std::shared_ptr<FILE> subprocess::detail::Streams::input_ = nullptr

Definition at line 876 of file subprocess.h.

output_

std::shared_ptr<FILE> subprocess::detail::Streams::output_ = nullptr

Definition at line 877 of file subprocess.h.

read_from_child_

int subprocess::detail::Streams::read_from_child_ = -1

Definition at line 897 of file subprocess.h.

read_from_parent_

int subprocess::detail::Streams::read_from_parent_ = -1

Definition at line 893 of file subprocess.h.

write_to_child_

int subprocess::detail::Streams::write_to_child_ = -1

Definition at line 892 of file subprocess.h.

write_to_parent_

int subprocess::detail::Streams::write_to_parent_ = -1

Definition at line 896 of file subprocess.h.

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

• src/util/subprocess.h