Date: Wed, 27 Feb 2008 03:27:02 -0700 From: John Hein <jhein@timing.com> To: Thomas Mueller <tmueller@sysgo.com> Cc: freebsd-x11@freebsd.org, d@delphij.net Subject: Re: Xorg vs gettimeofday() and clock_gettime() Message-ID: <18373.15094.120547.799908@gromit.timing.com> In-Reply-To: <20080227103210.694787ec@tom.ulm.sysgo.com> References: <47C320DB.70004@delphij.net> <18371.11144.568407.26227@gromit.timing.com> <20080227103210.694787ec@tom.ulm.sysgo.com>
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Thomas Mueller wrote at 10:32 +0100 on Feb 27, 2008:
> Apparently the autoconf check for presence of CLOCK_MONOTONIC fails on
> FreeBSD:
>
> #define _POSIX_C_SOURCE 199309L
> #include <time.h>
>
> int main(int argc, char *argv[]) {
> struct timespec tp;
>
> if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
> return 0;
> else
> return 1;
> }
>
> /usr/include/time.h:
> #if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112
> #define CLOCK_REALTIME 0
> [...]
> #define CLOCK_MONOTONIC 4
>
> Was CLOCK_MONOTONIC already defined for _POSIX_C_SOURCE 199309?
It was added to time.h on 2005-04-02 and since then, it was always
under _POSIX_C_SOURCE 2000112.
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