Attention is currently required from: arehbein, laforge, fixeria.
pespin has posted comments on this change. (
https://gerrit.osmocom.org/c/osmo-bts/+/31533
)
Change subject: common: Have PCU socket connection use osmo_wqueue
......................................................................
Patch Set 9:
(2 comments)
File src/common/pcu_sock.c:
https://gerrit.osmocom.org/c/osmo-bts/+/31533/comment/3a377072_536f8195
PS6, Line 990: pcu_sock_close(state);
I think this was not yet addressed?
Not sure
what you are talking about arehbein. pcu_sock_send() is not creating the sturct msgb, but
the caller expects it to take ownsership of the object, hence it is the duty of
pcu_sock_send() to make sure the object is always freed.
Similary, osmo_wqueue_enqueue is expected to take ownsership of the message if it
doesn't fail, that's what the documentation of the API states. Hence, it's
pcu_sock_send() duty to free the object to avoid the leak.
https://gerrit.osmocom.org/c/osmo-bts/+/31533/comment/10d00429_f8c74f74
PS6, Line 1106: rc = osmo_wqueue_enqueue(&state->upqueue, m);
Thanks for the reference, I'm now returning
`-errno` just in case `write()` causes `errno` to be `EB […]
No, that's wrong.
write() returning -EBADF doesn't mean we should return it.
-EBADF is a return code with a specific meaning the callback should return in case it
frees the related object/ofd.
I wouldn't return -errno here in all cases, but rather return specific errnos based
on what's needed, to avoid unexpected consequences (eg -EBADF forwarded from write()
to the calle of thi function).
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: Ia6e61dda4b3cd4bba76e6acb7771d70335062fe1
Gerrit-Change-Number: 31533
Gerrit-PatchSet: 9
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