FW: setitimer/SIGVTALRM error form cygwin shell.

[Sergey Okhapkin]

It seems to me it would be better to set errno to ENOSYS rather than
EINVAL if the first argument of setitimer call is not ITIMER_REAL. Any
objections?


-----Original Message-----
From: gilles BOURGEOIS [mailto:gbourgeois@yaccom.com]
Sent: Monday, December 30, 2002 9:27 AM
To: Sergey Okhapkin
Subject: RE: setitimer/SIGVTALRM error form cygwin shell.


thanks for help.
just I was wondering why the #define ITIMER_VIRTUAL is still in the
interface ! (sys/time.h) gilles


-----Message d'origine-----
De : Sergey Okhapkin [mailto:sos@sokhapkin.dyndns.org]
Envoyé : lundi 30 décembre 2002 12:56
À : gilles BOURGEOIS; cygwin@cygwin.com
Objet : Re: setitimer/SIGVTALRM error form cygwin shell.


Cygwin supports ITIMER_REAL only.

Sergey Okhapkin
Somerset, NJ
----- Original Message -----
From: "gilles BOURGEOIS" <gbourgeois@yaccom.com>
To: <cygwin@cygwin.com>
Sent: Monday, December 30, 2002 3:27 AM
Subject: setitimer/SIGVTALRM error form cygwin shell.


> Hello
> I am trying to simulate a tick timer under cygwin but it does not work

> : with the following code :
>
>  /* Initialise timer structure */
>   interval.it_interval.tv_sec = 1;
>   interval.it_interval.tv_usec = 0;
>   interval.it_value.tv_sec = 1;
>   interval.it_value.tv_usec = 0;
>
>    /* Initialise virtual timer */
>    if (!sigaction (SIGVTALRM, &sigact, 0))
>       {
>       if ( (err=setitimer (ITIMER_PROF, &s_Rtk_interval, NULL)) <0)
>      {printf ("StartTimer could not setitimer %d\n",err);
>      printf ("errno errno = %d (%s).\n", errno, strerror(errno));
>
>           exit (0);
> }
>       }
>    else
>       {
>       fprintf( stderr, "Erreur :%d\n", errno );
>       }
>
> I got the invalid argument (errno) error ??
> did someone manage the use of virtual timer under cygwin? thanks
> gilles
>
>
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