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Message-ID: <51670B6B.3000503@net-b.de>
Date: Thu, 11 Apr 2013 21:13:47 +0200
From: Tobias Burnus <burnus AT net-b DOT de>
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To: cygwin AT cygwin DOT com, fortran AT gcc DOT gnu DOT org
Subject: Re: Cygwin with clock_gettime and CLOCK_MONOTONIC - gives always 0
References: <5166A0B3 DOT 70801 AT net-b DOT de> <5166BCA1 DOT 5040204 AT net-b DOT de> <20130411134835 DOT GD18333 AT calimero DOT vinschen DOT de>
In-Reply-To: <20130411134835.GD18333@calimero.vinschen.de>
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Corinna Vinschen wrote:
> Works fine for me with the current Cygwin 1.7.17, and the upcoming
> Cygwin 1.7.18:
>      if (!clock_gettime (CLOCK_MONOTONIC, &tp))
>        printf ("tv_sec = %ld, tv_nsec = %ld\n", tp.tv_sec, tp.tv_nsec);
...
>    tv_sec = 0, tv_nsec = 29920

Where is actually the source code of the clock_gettime, which Cygwin 
uses? I thought that it was newlib. But looking at
http://sourceware.org/cgi-bin/cvsweb.cgi/src/newlib/libc/sys/linux/clock_gettime.c?cvsroot=src
the code should return -1 for "clock_gettime (CLOCK_MONOTONIC" as 
CLOCK_MONOTONIC (= 4) is not handled, only CLOCK_REALTIME (= 1, 
according to src/newlib/libc/include/time.h).

However, as both you and Angelo get a zero return value, I must look at 
the wrong file.

Tobias

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