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Date: Thu, 6 Dec 2001 14:11:25 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: cygwin ualarm() breaks Perl [WAS Re: cygwin @ 13452 warnings]
Message-ID: <20011206191125.GA25361@redhat.com>
Reply-To: cygwin AT cygwin DOT com
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References: <20011204134524 DOT 5ABD DOT H DOT M DOT BRAND AT hccnet DOT nl> <3C0FAB15 DOT 2697F6C0 AT rowman DOT com>
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On Thu, Dec 06, 2001 at 12:29:57PM -0500, John Peacock wrote:
>"H.Merijn Brand" wrote:
>> 
>> the ualarm is still fatal on 1.3.6-2. I've just removed the second argument in
>> 
>
>I found the following entry in winsup/cygwin/ChangeLog:
>
> 2001-11-27  Christopher Faylor  <cgf AT redhat DOT com>
> 
>         * cygwin.din (ualarm): New export.
>         (ualarm): New function.  From Alexandr V. Shutko.
>
>It looks like the unistd.h header never got updated; here is a small patch to
>/usr/include/sys/unistd.h which seems to fix the compiling:
>
>--- unistd.h.old        Thu Dec  6 12:17:06 2001
>+++ unistd.h    Thu Dec  6 12:19:06 2001
>@@ -133,7 +133,7 @@
> #if defined(__CYGWIN__) || defined(__rtems__)
> int    _EXFUN(getdtablesize, (void));
> int    _EXFUN(setdtablesize, (int));
>-useconds_t _EXFUN(ualarm, (useconds_t __useconds));
>+useconds_t _EXFUN(ualarm, (useconds_t __useconds, useconds_t __interval));
> unsigned _EXFUN(usleep, (unsigned int __useconds));
> int     _EXFUN(ftruncate, (int __fd, off_t __length));
> int     _EXFUN(truncate, (const char *, off_t __length));

You're right.  That was my problem.  You can probably see what I did.  I just
duplicated the usleep line and (apparently) halfheartedly edited for ualarm.

I've patched newlib (the ChangeLog entry is in your name), so the next release
will have the proper prototype.

Thanks for the patch.

cgf

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