Date: Thu, 2 Sep 1999 14:30:03 -0700 (PDT) From: "Kelly Yancey" <kbyanc@alcnet.com> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/13326: additional timeval interfaces for <sys/time.h> Message-ID: <199909022130.OAA75291@freefall.freebsd.org>
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The following reply was made to PR misc/13326; it has been noted by GNATS. From: "Kelly Yancey" <kbyanc@alcnet.com> To: <freebsd-gnats-submit@freebsd.org>, <kbyanc@kronos.alcnet.com> Cc: Subject: Re: misc/13326: additional timeval interfaces for <sys/time.h> Date: Thu, 2 Sep 1999 17:26:46 -0400 Updates to previous patch per suggestions by Poul-Henning Kamp... Kelly ~kbyanc@posi.net~ FreeBSD - The Power To Serve - http://www.freebsd.org/ Join Team FreeBSD - http://www.posi.net/freebsd/Team-FreeBSD/ "The ultimate result of shielding men from the effects of folly is to fill the world with fools." - Herbert Spencer --- /usr/include/sys/time.h.orig Thu Sep 2 14:35:53 1999 +++ /usr/include/sys/time.h Thu Sep 2 16:41:25 1999 @@ -155,8 +155,6 @@ struct timecounter *tc_tweak; }; -#ifdef KERNEL - /* Operations on timespecs */ #define timespecclear(tvp) ((tvp)->tv_sec = (tvp)->tv_nsec = 0) #define timespecisset(tvp) ((tvp)->tv_sec || (tvp)->tv_nsec) @@ -182,6 +180,32 @@ (vvp)->tv_nsec += 1000000000; \ } \ } while (0) +#define timespecmul(tvp, uvp, x) \ + do { \ + (uvp)->tv_sec = ((tvp)->tv_sec * x) + \ + (quad_t)(tvp)->tv_nsec * x / 1000000000;\ + (uvp)->tv_nsec = (quad_t)(tvp)->tv_nsec * x % 1000000000;\ + } while(0) +#define timespecdiv(tvp, uvp, x) \ + do { \ + (uvp)->tv_sec = (tvp)->tv_sec / x; \ + (uvp)->tv_nsec = (tvp)->tv_nsec / x; \ + } while(0) + +/* + * Operations for converting timespecs to/from quad_t's representing + * times in nanoseconds. + */ +#define tstoq(tvp, q) \ + do { \ + q = ((tvp)->tv_sec * 1000000000) + (tvp)->tv_nsec; \ + } while(0) +#define qtots(q, tvp) \ + do { \ + (tvp)->tv_sec = q / 1000000000; \ + (tvp)->tv_nsec = q % 1000000000; \ + } while(0) +#ifdef KERNEL /* Operations on timevals. */ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the messagehelp
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