[asterisk-bugs] [JIRA] (ASTERISK-28862) res_musiconhold: Race condition between starting/stopping

[Sean Bright (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=252176#comment-252176 ] 

Sean Bright commented on ASTERISK-28862:
----------------------------------------

[For later reference|https://github.com/asterisk/asterisk/blob/17a878dd9945e1b395d5d93b2ad88303713e44cc/bridges/bridge_softmix.c#L485-L490]:

{noformat}
        if (ast_channel_hold_state(bridge_channel->chan) == AST_CONTROL_HOLD) {
                ast_debug(1, "Channel %s simulating UNHOLD for bridge softmix join.\n",
                        ast_channel_name(bridge_channel->chan));
                ast_indicate(bridge_channel->chan, AST_CONTROL_UNHOLD);
        }
{noformat}

> res_musiconhold: Race condition between starting/stopping
> ---------------------------------------------------------
>
>                 Key: ASTERISK-28862
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28862
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_musiconhold
>    Affects Versions: 13.32.0, 16.9.0, 17.3.0
>            Reporter: Joshua C. Colp
>            Severity: Minor
>         Attachments: softmix_unhold.txt
>
>
> Given a scenario where music on hold is started from one thread and it is stopped in another it is possible for music on hold to not actually be stopped, when it should be. The attached full log shows this happening.



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