folly::SocketPair Class Reference

#include <SocketPair.h>

Public Types
enum	Mode { BLOCKING, NONBLOCKING }

Public Member Functions
	SocketPair (Mode mode=NONBLOCKING)
	~SocketPair ()
int	operator[] (int index) const
void	closeFD0 ()
void	closeFD1 ()
int	extractFD0 ()
int	extractFD1 ()
int	extractFD (int index)

Private Attributes
int	fds_ [2]

Detailed Description

Definition at line 21 of file SocketPair.h.

Member Enumeration Documentation

enum folly::SocketPair::Mode

Enumerator
BLOCKING
NONBLOCKING

Definition at line 23 of file SocketPair.h.

{ BLOCKING, NONBLOCKING };

Constructor & Destructor Documentation

folly::SocketPair::SocketPair ( Mode  mode = NONBLOCKING )

explicit

Definition at line 29 of file SocketPair.cpp.

References fds_, NONBLOCKING, and folly::netops::socketpair().

                                {
  if (socketpair(PF_UNIX, SOCK_STREAM, 0, fds_) != 0) {
    throw std::runtime_error(folly::to<std::string>(
        "test::SocketPair: failed create socket pair", errno));
  }

  if (mode == NONBLOCKING) {
    if (fcntl(fds_[0], F_SETFL, O_NONBLOCK) != 0) {
      throw std::runtime_error(folly::to<std::string>(
          "test::SocketPair: failed to set non-blocking "
          "read mode",
          errno));
    }
    if (fcntl(fds_[1], F_SETFL, O_NONBLOCK) != 0) {
      throw std::runtime_error(folly::to<std::string>(
          "test::SocketPair: failed to set non-blocking "
          "write mode",
          errno));
    }
  }
}

folly::SocketPair::~SocketPair

(

)

Definition at line 51 of file SocketPair.cpp.

References closeFD0(), and closeFD1().

                        {
  closeFD0();
  closeFD1();
}

Member Function Documentation

void folly::SocketPair::closeFD0

(

)

Definition at line 56 of file SocketPair.cpp.

References folly::netops::close(), and fds_.

Referenced by operator[](), and ~SocketPair().

                          {
  if (fds_[0] >= 0) {
    close(fds_[0]);
    fds_[0] = -1;
  }
}

void folly::SocketPair::closeFD1

(

)

Definition at line 63 of file SocketPair.cpp.

References folly::netops::close(), and fds_.

Referenced by operator[](), and ~SocketPair().

                          {
  if (fds_[1] >= 0) {
    close(fds_[1]);
    fds_[1] = -1;
  }
}

int folly::SocketPair::extractFD ( int  index )

inline

Definition at line 41 of file SocketPair.h.

References fds_.

Referenced by extractFD0(), and extractFD1().

                           {
    int fd = fds_[index];
    fds_[index] = -1;
    return fd;
  }

int folly::SocketPair::extractFD0 ( )

inline

Definition at line 35 of file SocketPair.h.

References extractFD().

                   {
    return extractFD(0);
  }

int folly::SocketPair::extractFD1 ( )

inline

Definition at line 38 of file SocketPair.h.

References extractFD().

                   {
    return extractFD(1);
  }

int folly::SocketPair::operator[] ( int  index ) const

inline

Definition at line 28 of file SocketPair.h.

References closeFD0(), closeFD1(), and fds_.

                                  {
    return fds_[index];
  }

Member Data Documentation

int folly::SocketPair::fds_[2]

private

Definition at line 48 of file SocketPair.h.

Referenced by closeFD0(), closeFD1(), extractFD(), operator[](), and SocketPair().

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

• proxygen/folly/folly/io/async/test/SocketPair.h
• proxygen/folly/folly/io/async/test/SocketPair.cpp