[Asterisk-code-review] pbx: Ensure we don't operate on dialplan while dialplan is reloading, ... (asterisk[18])

[Mark Murawski]

Attention is currently required from: Sean Bright, Joshua Colp, Kevin Harwell.
Mark Murawski has posted comments on this change. ( https://gerrit.asterisk.org/c/asterisk/+/17798 )

Change subject: pbx: Ensure we don't operate on dialplan while dialplan is reloading, which causes deadlocks
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Patch Set 5:

(1 comment)

File main/pbx.c:

https://gerrit.asterisk.org/c/asterisk/+/17798/comment/a0aeac8c_17b5c546 
PS5, Line 7307: 	if (ast_mutex_trylock(&conlock)) {
> Have you audited all of the callers of this to see how they react? What user experience/etc occurs? […]
Yeah I did a review of all the callers to the various ast_add_extension*, most of which are in pbx_config.c and pbx.c and all have graceful error handling for ast_add_extension2 failing.

But with a new approach noted below, all callers would need to be refactored to use a new add_extension_queued().



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Gerrit-Project: asterisk
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Gerrit-Change-Id: I435db97fc56f18b6f5c25a3e400603817b07aa49
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