sttybuf & csdbg::sttybuf::sync ( ) const

virtual

Commit cached data to the serial interface line.

Returns

*this

Exceptions

csdbg::exception

Implements csdbg::streambuf.

Definition at line 330 of file sttybuf.cpp.

References m_devnode, csdbg::streambuf::m_handle, and unlikely.

Referenced by flush().

{
  i32 retval;
  do {
    retval = tcdrain(m_handle);
  }
  while ( unlikely(retval < 0 && errno == EINTR) );

  if ( unlikely(retval < 0) )
    throw exception(
      "failed to flush serial interface '%s' (errno %d - %s)",
      m_devnode,
      errno,
      strerror(errno)
    );

  return const_cast<sttybuf&> (*this);
}

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