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Change the exit status for 0 and 2 to be the same as with ping(1)

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and be usable in scripts, etc.

This also changes the semantics in case when we lose one of n packets.
In that case, before we exited by SIG, now we exit with return(0).

Submitted by:	Gert Doering (gert space.net)
MFC after:	10 days
This commit is contained in:
Bjoern A. Zeeb 2008-05-27 10:51:19 +00:00
parent d92b4112c6
commit 115737b173
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=179356
2 changed files with 9 additions and 4 deletions
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6
sbin/ping6/ping6.8
View File

@ -29,7 +29,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd November 15, 2007
.Dd May 27, 2008
.Dt PING6 8
.Os
.Sh NAME
@ -409,7 +409,9 @@ option of
The
.Nm
utility returns 0 on success (the host is alive),
and non-zero if the arguments are incorrect or the host is not responding.
2 if the transmission was successful but no responses were received,
any other non-zero value if the arguments are incorrect or
another error has occured.
.Sh EXAMPLES
Normally,
.Nm

7
sbin/ping6/ping6.c
View File

@ -1074,6 +1074,9 @@ main(argc, argv)
/* signal handling */
if (seenalrm) {
/* last packet sent, timeout reached? */
if (npackets && ntransmitted >= npackets)
break;
retransmit();
seenalrm = 0;
continue;
@ -1173,7 +1176,7 @@ main(argc, argv)
break;
}
summary();
exit(nreceived == 0);
exit(nreceived == 0 ? 2 : 0);
}
void
@ -1224,7 +1227,7 @@ retransmit()
itimer.it_interval.tv_usec = 0;
itimer.it_value.tv_usec = 0;
(void)signal(SIGALRM, onint);
(void)signal(SIGALRM, onsignal);
(void)setitimer(ITIMER_REAL, &itimer, NULL);
}