Direct IO

• Introduction
• Installing/Configuring
  • Requirements
  • Installation
  • Runtime Configuration
  • Resource Types
• Predefined Constants
• Direct IO Functions
  • dio_close — Closes the file descriptor given by fd
  • dio_fcntl — Performs a c library fcntl on fd
  • dio_open — Opens a file (creating it if necessary) at a lower level than the C library input/ouput stream functions allow
  • dio_read — Reads bytes from a file descriptor
  • dio_seek — Seeks to pos on fd from whence
  • dio_stat — Gets stat information about the file descriptor fd
  • dio_tcsetattr — Sets terminal attributes and baud rate for a serial port
  • dio_truncate — Truncates file descriptor fd to offset bytes
  • dio_write — Writes data to fd with optional truncation at length