104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*
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* ntp_tty.h - header file for serial lines handling
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*/
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#ifndef NTP_TTY_H
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#define NTP_TTY_H
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/*
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* use only one tty model - no use in initialising
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* a tty in three ways
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* HAVE_TERMIOS is preferred over HAVE_SYSV_TTYS over HAVE_BSD_TTYS
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*/
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#if defined(HAVE_TERMIOS_H) || defined(HAVE_SYS_TERMIOS_H)
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# define HAVE_TERMIOS
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#elif defined(HAVE_TERMIO_H)
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# define HAVE_SYSV_TTYS
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#elif defined(HAVE_SGTTY_H)
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# define HAVE_BSD_TTYS
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#endif
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#if !defined(VMS) && !defined(SYS_VXWORKS)
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# if !defined(HAVE_SYSV_TTYS) \
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&& !defined(HAVE_BSD_TTYS) \
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&& !defined(HAVE_TERMIOS)
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#include "ERROR: no tty type defined!"
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# endif
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#endif /* !VMS && !SYS_VXWORKS*/
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#if defined(HAVE_BSD_TTYS)
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#include <sgtty.h>
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#define TTY struct sgttyb
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#endif /* HAVE_BSD_TTYS */
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#if defined(HAVE_SYSV_TTYS)
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#include <termio.h>
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#define TTY struct termio
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#ifndef tcsetattr
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#define tcsetattr(fd, cmd, arg) ioctl(fd, cmd, arg)
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#endif
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#ifndef TCSANOW
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#define TCSANOW TCSETA
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#endif
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#ifndef TCIFLUSH
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#define TCIFLUSH 0
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#endif
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#ifndef TCOFLUSH
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#define TCOFLUSH 1
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#endif
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#ifndef TCIOFLUSH
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#define TCIOFLUSH 2
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#endif
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#ifndef tcflush
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#define tcflush(fd, arg) ioctl(fd, TCFLSH, arg)
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#endif
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#endif /* HAVE_SYSV_TTYS */
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#if defined(HAVE_TERMIOS)
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# if defined(HAVE_TERMIOS_H)
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# ifdef TERMIOS_NEEDS__SVID3
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# define _SVID3
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# endif
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# include <termios.h>
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# ifdef TERMIOS_NEEDS__SVID3
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# undef _SVID3
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# endif
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# elif defined(HAVE_SYS_TERMIOS_H)
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# include <sys/termios.h>
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# endif
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# define TTY struct termios
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#endif
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#if defined(HAVE_SYS_MODEM_H)
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#include <sys/modem.h>
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#endif
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/*
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* Line discipline flags. The depredated ones required line discipline
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* or streams modules to be installed/loaded in the kernel and are now
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* ignored. Leave the LDISC_CLK and other deprecated symbols defined
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* until 2013 or 2014 to avoid complicating the use of newer drivers on
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* older ntpd, which is often as easy as dropping in the refclock *.c.
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*/
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#define LDISC_STD 0x000 /* standard */
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#define LDISC_CLK 0x001 /* depredated tty_clk \n */
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#define LDISC_CLKPPS 0x002 /* depredated tty_clk \377 */
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#define LDISC_ACTS 0x004 /* depredated tty_clk #* */
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#define LDISC_CHU 0x008 /* depredated */
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#define LDISC_PPS 0x010 /* depredated */
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#define LDISC_RAW 0x020 /* raw binary */
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#define LDISC_ECHO 0x040 /* enable echo */
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#define LDISC_REMOTE 0x080 /* remote mode */
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#define LDISC_7O1 0x100 /* 7-bit, odd parity for Z3801A */
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/* function prototypes for ntp_tty.c */
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#if !defined(SYS_VXWORKS) && !defined(SYS_WINNT)
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# if defined(HAVE_TERMIOS) || defined(HAVE_SYSV_TTYS) || \
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defined(HAVE_BSD_TTYS)
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extern int ntp_tty_setup(int, u_int, u_int);
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extern int ntp_tty_ioctl(int, u_int);
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# endif
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#endif
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#endif /* NTP_TTY_H */
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