1// SPDX-License-Identifier: GPL-2.0 2// Test basic connection teardown where local process closes first: 3// the local process calls close() first, so we send a FIN, and receive an ACK. 4// Then we receive a FIN and ACK it. 5 6`./defaults.sh` 7 8 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 9 +.01...0.011 connect(3, ..., ...) = 0 10 +0 > S 0:0(0) <...> 11 +0 < S. 0:0(0) ack 1 win 32768 <mss 1000,nop,wscale 6,nop,nop,sackOK> 12 +0 > . 1:1(0) ack 1 13 14 +0 write(3, ..., 1000) = 1000 15 +0 > P. 1:1001(1000) ack 1 16 +0 < . 1:1(0) ack 1001 win 257 17 18 +0 close(3) = 0 19 +0 > F. 1001:1001(0) ack 1 20 +0 < . 1:1(0) ack 1002 win 257 21 22 +0 < F. 1:1(0) ack 1002 win 257 23 +0 > . 1002:1002(0) ack 2 24