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NAME="POSIX-DEVICE-AND-CLASS-SPECIFIC-FUNCTIONS">Device and Class Specific Functions [POSIX Section 7]</H1
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NAME="POSIX-DEVICE-AND-CLASS-SPECIFIC-FUNCTIONS">Device and Class Specific Functions [POSIX Section 7]</H1
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NAME="AEN13079">Functions Implemented</H2
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NAME="AEN13079">Functions Implemented</H2
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>speed_t cfgetospeed( const struct termios *termios_p );
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>speed_t cfgetospeed( const struct termios *termios_p );
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int cfsetospeed( struct termios *termios_p, speed_t speed );
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int cfsetospeed( struct termios *termios_p, speed_t speed );
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speed_t cfgetispeed( const struct termios *termios_p );
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speed_t cfgetispeed( const struct termios *termios_p );
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int cfsetispeed( struct termios *termios_p, speed_t speed );
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int cfsetispeed( struct termios *termios_p, speed_t speed );
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int tcgetattr( int fd, struct termios *termios_p );
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int tcgetattr( int fd, struct termios *termios_p );
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int tcsetattr( int fd, int optional_actions,
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int tcsetattr( int fd, int optional_actions,
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const struct termios *termios_p );
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const struct termios *termios_p );
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int tcsendbreak( int fd, int duration );
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int tcsendbreak( int fd, int duration );
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int tcdrain( int fd );
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int tcdrain( int fd );
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int tcflush( int fd, int queue_selector );
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int tcflush( int fd, int queue_selector );
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int tcsendbreak( int fd, int action );</PRE
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int tcsendbreak( int fd, int action );</PRE
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NAME="AEN13082">Functions Omitted</H2
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NAME="AEN13082">Functions Omitted</H2
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>pid_t tcgetpgrp( int fd );
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>pid_t tcgetpgrp( int fd );
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int tcsetpgrp( int fd, pid_t pgrp );</PRE
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int tcsetpgrp( int fd, pid_t pgrp );</PRE
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NAME="AEN13085">Notes</H2
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NAME="AEN13085">Notes</H2
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><P
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><P
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> Only the functionality relevant to basic serial device
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> Only the functionality relevant to basic serial device
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control is implemented. Only very limited support for
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control is implemented. Only very limited support for
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canonical input is provided, and then only via the
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canonical input is provided, and then only via the
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“tty” devices, not the “serial”
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“tty” devices, not the “serial”
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devices. None of the functionality relevant to job
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devices. None of the functionality relevant to job
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control, controlling terminals and sessions is
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control, controlling terminals and sessions is
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implemented.
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implemented.
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</P
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</P
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> Only <SPAN
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> Only <SPAN
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> = 0 and
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> = 0 and
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<SPAN
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<SPAN
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><I
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><I
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CLASS="EMPHASIS"
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>TIME</I
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>TIME</I
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></SPAN
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></SPAN
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> = 0 functionality is
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> = 0 functionality is
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provided.
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provided.
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</P
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</P
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></LI
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></LI
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><LI
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><LI
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><P
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><P
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> Hardware flow control is supported if the underlying
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> Hardware flow control is supported if the underlying
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device driver and serial port support it.
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device driver and serial port support it.
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</P
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</P
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></LI
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><LI
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><LI
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><P
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><P
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> Support for break, framing and parity errors depends on
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> Support for break, framing and parity errors depends on
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the functionality of the hardware and device driver.
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the functionality of the hardware and device driver.
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</P
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