Mail Archives: cygwin-developers/2002/12/30/09:38:45
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 AT yaccom DOT 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 AT sokhapkin DOT dyndns DOT org]
Envoyé : lundi 30 décembre 2002 12:56
À : gilles BOURGEOIS; cygwin AT cygwin DOT com
Objet : Re: setitimer/SIGVTALRM error form cygwin shell.
Cygwin supports ITIMER_REAL only.
Sergey Okhapkin
Somerset, NJ
----- Original Message -----
From: "gilles BOURGEOIS" <gbourgeois AT yaccom DOT com>
To: <cygwin AT cygwin DOT 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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