Author: delphij
Date: Mon Jul 28 08:22:08 2014
New Revision: 269180
URL: http://svnweb.freebsd.org/changeset/base/269180
Log:
When interval is set to very small value with limited amount of packets,
ping6(8) would quit before the remote side gets a chance to respond.
Solve this by resetting the itimer when we have reached the maximum packet
number have reached, but let the other handling to continue.
PR: bin/151023
Submitted by: tjmao at tjmao.net
MFC after: 2 weeks
Modified:
head/sbin/ping6/ping6.c
Modified: head/sbin/ping6/ping6.c
==============================================================================
--- head/sbin/ping6/ping6.c Mon Jul 28 07:20:22 2014 (r269179)
+++ head/sbin/ping6/ping6.c Mon Jul 28 08:22:08 2014 (r269180)
@@ -1090,8 +1090,14 @@ main(int argc, char *argv[])
/* signal handling */
if (seenalrm) {
/* last packet sent, timeout reached? */
- if (npackets && ntransmitted >= npackets)
- break;
+ if (npackets && ntransmitted >= npackets) {
+ struct timeval zerotime = {0, 0};
+ itimer.it_value = zerotime;
+ itimer.it_interval = zerotime;
+ (void)setitimer(ITIMER_REAL, &itimer, NULL);
+ seenalrm = 0; /* clear flag */
+ continue;
+ }
retransmit();
seenalrm = 0;
continue;
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