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setitimer: if it_value == 0 clear it_interval now

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non-zero it_interval values have no sense if it_value == 0 but
checked by itimerfix which may cause EINVAL return
This commit is contained in:
ache 1997-08-14 08:15:12 +00:00
parent a90cec3859
commit eae600e4b4
1 changed files with 6 additions and 2 deletions
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8
sys/kern/kern_time.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)kern_time.c 8.1 (Berkeley) 6/10/93
* $Id: kern_time.c,v 1.30 1997/08/03 07:26:50 bde Exp $
* $Id: kern_time.c,v 1.31 1997/08/13 17:55:11 ache Exp $
*/
#include <sys/param.h>
@ -583,7 +583,11 @@ setitimer(p, uap, retval)
return (error);
if (itvp == 0)
return (0);
if (itimerfix(&aitv.it_value) || itimerfix(&aitv.it_interval))
if (itimerfix(&aitv.it_value))
return (EINVAL);
if (!timerisset(&aitv.it_value))
timerclear(&aitv.it_interval);
else if (itimerfix(&aitv.it_interval))
return (EINVAL);
s = splclock();
if (uap->which == ITIMER_REAL) {