tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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