linux-kernel - Re: [ntp:hackers] ntp-dev-4.2.5p235-RC build failure: MOD

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Date:	Thu, 22 Oct 2009 01:58:12 +0000
From:	Harlan Stenn <stenn@....org>
To:	Reg Clemens <reg@....com>
cc:	john stultz <johnstul@...ibm.com>, hackers@...ts.ntp.org,
	davehart_gmail_exchange_tee@...ehart.net,
	Roman Zippel <zippel@...ux-m68k.org>,
	linux-kernel@...r.kernel.org, reg@...eb.dwf.com,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [ntp:hackers] ntp-dev-4.2.5p235-RC build failure: MOD_NANO not #defined 

> Isnt it just time to get rid of these MOD_ constructs in ntp?

Could be, but the spec says:

/*
 * The following defines and structures define the user interface for
 * the ntp_gettime() and ntp_adjtime() syscalls.
 *
 * Control mode codes (timex.modes)
 */
#define MOD_OFFSET	0x0001	/* set time offset */
#define MOD_FREQUENCY	0x0002	/* set frequency offset */
#define MOD_MAXERROR	0x0004	/* set maximum time error */
#define MOD_ESTERROR	0x0008	/* set estimated time error */
#define MOD_STATUS	0x0010	/* set clock status bits */
#define MOD_TIMECONST	0x0020	/* set PLL time constant */
#define MOD_PPSMAX	0x0040	/* set PPS maximum averaging time */
#define MOD_TAI		0x0080	/* set TAI offset */
#define	MOD_MICRO	0x1000	/* select microsecond resolution */
#define	MOD_NANO	0x2000	/* select nanosecond resolution */
#define MOD_CLKB	0x4000	/* select clock B */
#define MOD_CLKA	0x8000	/* select clock A */

/*
 * Status codes (timex.status)
 */
#define STA_PLL		0x0001	/* enable PLL updates (rw) */
#define STA_PPSFREQ	0x0002	/* enable PPS freq discipline (rw) */
#define STA_PPSTIME	0x0004	/* enable PPS time discipline (rw) */
#define STA_FLL		0x0008	/* enable FLL mode (rw) */
#define STA_INS		0x0010	/* insert leap (rw) */
#define STA_DEL		0x0020	/* delete leap (rw) */
#define STA_UNSYNC	0x0040	/* clock unsynchronized (rw) */
#define STA_FREQHOLD	0x0080	/* hold frequency (rw) */
#define STA_PPSSIGNAL	0x0100	/* PPS signal present (ro) */
#define STA_PPSJITTER	0x0200	/* PPS signal jitter exceeded (ro) */
#define STA_PPSWANDER	0x0400	/* PPS signal wander exceeded (ro) */
#define STA_PPSERROR	0x0800	/* PPS signal calibration error (ro) */
#define STA_CLOCKERR	0x1000	/* clock hardware fault (ro) */
#define STA_NANO	0x2000	/* resolution (0 = us, 1 = ns) (ro) */
#define STA_MODE	0x4000	/* mode (0 = PLL, 1 = FLL) (ro) */
#define STA_CLK		0x8000	/* clock source (0 = A, 1 = B) (ro) */

H
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