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use SIGTERM to kill off udhcpd, not SIGKILL
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@ -555,8 +555,11 @@ static int dhcp_down(struct interface_defn_t *ifd, execfn *exec)
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{
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int result = 0;
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if (execable("/sbin/udhcpc")) {
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/* SIGUSR2 forces udhcpc to release the current lease and go inactive,
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* and SIGTERM causes udhcpc to exit. Signals are queued and processed
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* sequentially so we don't need to sleep */
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result = execute("kill -USR2 `cat /var/run/udhcpc.%iface%.pid` 2>/dev/null", ifd, exec);
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result += execute("kill -9 `cat /var/run/udhcpc.%iface%.pid` 2>/dev/null", ifd, exec);
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result += execute("kill -TERM `cat /var/run/udhcpc.%iface%.pid` 2>/dev/null", ifd, exec);
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} else if (execable("/sbin/pump")) {
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result = execute("pump -i %iface% -k", ifd, exec);
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} else if (execable("/sbin/dhclient")) {
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