[Bug 231848] accept4() doesn't return a socket address when threading is involved
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bugzilla-noreply at freebsd.org
Fri Nov 9 18:12:30 UTC 2018
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231848
--- Comment #3 from Anoop C S <anoopcs at autistici.org> ---
See attachment for a client-server program and Compile it as follows to
reproduce the issue:
# cc sv.c -o sv
# cc cl.c -lpthread -o cl
Run server in one shell:
# ./sv
Execute client program from another shell with thread count value:
# ./cl 10
Output samples:
with thread count = 5
client:
-------
$ ./cl 5
hello world
hello world
hello world
hello world
hello world
server:
-------
$ ./sv
1 CONNECTION/S ESTABLISHED
2 CONNECTION/S ESTABLISHED
3 CONNECTION/S ESTABLISHED
4 CONNECTION/S ESTABLISHED
5 CONNECTION/S ESTABLISHED
^C
with thread count = 10
client:
$ ./cl 10
Failed to connect to socket: Connection refused
server:
$ ./sv
1 CONNECTION/S ESTABLISHED
2 CONNECTION/S ESTABLISHED
3 CONNECTION/S ESTABLISHED
4 CONNECTION/S ESTABLISHED
5 CONNECTION/S ESTABLISHED
6 CONNECTION/S ESTABLISHED
7 CONNECTION/S ESTABLISHED
8 CONNECTION/S ESTABLISHED
^C
client program is written in such a way that it terminates on receiving refusal
during a connect() to server.
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