text: /*
   * Copyright 2012 Bjorn Fahller <bjorn@fahller.se>
   * All rights reserved
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <crpcut.hpp>
  #include "../posix_error.hpp"
  
  namespace crpcut {
    namespace comm {
      data_reader
      ::~data_reader()
      {
      }
  
      void
      data_reader
      ::read_loop(void *buff, size_t len, const char *context) const
      {
        char *p = static_cast<char*>(buff);
        size_t bytes_read = 0;
        errno = 0;
        while (bytes_read < len)
          {
            ssize_t rv = read(p + bytes_read, len - bytes_read);
            if (rv == -1 && errno == EINTR)
              {
                continue;
              }
            if (rv <= 0)
              {
                throw posix_error(errno, context);
              }
            bytes_read += size_t(rv);
          }
  
      }
    }
  }
  
  
  
  
  
  
  
  