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ping, ping6: Use setitimer(2) instead of obsolete alarm(3)

Browse source 
Submitted by:	Ján Sučan <sucanjan@gmail.com>
Differential Revision:	https://reviews.freebsd.org/D22103
This commit is contained in:
Alan Somers 2019-11-26 05:06:25 +00:00
parent 98b49d8e1a
commit 2eb6acc277
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=355106
2 changed files with 18 additions and 2 deletions
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10
sbin/ping/ping.c
View file

@ -505,7 +505,15 @@ main(int argc, char *const *argv)
if (alarmtimeout > MAXALARM)
errx(EX_USAGE, "invalid timeout: `%s' > %d",
optarg, MAXALARM);
alarm((int)alarmtimeout);
{
struct itimerval itv;
timerclear(&itv.it_interval);
timerclear(&itv.it_value);
itv.it_value.tv_sec = (time_t)alarmtimeout;
if (setitimer(ITIMER_REAL, &itv, NULL) != 0)
err(1, "setitimer");
}
break;
case 'v':
options |= F_VERBOSE;

10
sbin/ping6/ping6.c
View file

@ -574,7 +574,15 @@ main(int argc, char *argv[])
if (alarmtimeout > MAXALARM)
errx(EX_USAGE, "invalid timeout: `%s' > %d",
optarg, MAXALARM);
alarm((int)alarmtimeout);
{
struct itimerval itv;
timerclear(&itv.it_interval);
timerclear(&itv.it_value);
itv.it_value.tv_sec = (time_t)alarmtimeout;
if (setitimer(ITIMER_REAL, &itv, NULL) != 0)
err(1, "setitimer");
}
break;
#ifdef IPSEC
#ifdef IPSEC_POLICY_IPSEC