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Give the RELEASE packet a chance to leave the kernel

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before dropping the ip.
This commit is contained in:
Roy Marples 2009-11-24 01:15:08 +00:00
parent 68510bef05
commit 0f2b9f7223
1 changed files with 6 additions and 0 deletions
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6
dhcpcd.c
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@ -704,6 +704,8 @@ open_sockets(struct interface *iface)
static void
send_release(struct interface *iface)
{
struct timespec ts;
if (iface->state->lease.addr.s_addr &&
!IN_LINKLOCAL(htonl(iface->state->lease.addr.s_addr)))
{
@ -712,6 +714,10 @@ send_release(struct interface *iface)
open_sockets(iface);
iface->state->xid = arc4random();
send_message(iface, DHCP_RELEASE, NULL);
/* Give the packet a chance to go before dropping the ip */
ts.tv_sec = 1;
ts.tv_nsec = 0;
nanosleep(&ts, NULL);
drop_config(iface, "RELEASE");
}
unlink(iface->leasefile);