[Asterisk-code-review] func_lock: fix multiple-channel-grant problems. (asterisk[16])

[Jaco Kroon]

Jaco Kroon has posted comments on this change. ( https://gerrit.asterisk.org/c/asterisk/+/15259 )

Change subject: func_lock: fix multiple-channel-grant problems.
......................................................................


Patch Set 1:

(1 comment)

Patchset:

PS1: 
> Would just using named locks (see named_locks. […]
As per IRC discussion:

<jkroon> LOCK + UNLOCK don't match count in case of channel being destroyed with lock held ... so four issues that would need to be overcome:
<jkroon> 1.  recursive locking
<jkroon> 2.  can we recursively unlock on channel destroy
<jkroon> 3.  how do we track for module unload.
<jkroon> 4.  locks must be timed on acquire.



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Gerrit-Project: asterisk
Gerrit-Branch: 16
Gerrit-Change-Id: I6f68b5ec82ff25b2909daf6e4d19ca864a463e29
Gerrit-Change-Number: 15259
Gerrit-PatchSet: 1
Gerrit-Owner: Jaco Kroon <jaco at uls.co.za>
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Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
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Gerrit-Comment-Date: Wed, 06 Jan 2021 15:17:54 +0000
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