[asterisk-bugs] [JIRA] Closed: (ASTERISK-20283) Files descriptors for dummy channels need to be set to -1

[Digium Subversion (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Digium Subversion closed ASTERISK-20283.
----------------------------------------

    Resolution: Fixed

> Files descriptors for dummy channels need to be set to -1
> ---------------------------------------------------------
>
>                 Key: ASTERISK-20283
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20283
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/General
>    Affects Versions: SVN, 11.0.0-beta1
>            Reporter: Gareth Palmer
>            Assignee: Richard Mudgett
>            Severity: Minor
>         Attachments: svn-371580.patch
>
>
> ast_dummy_channel_alloc doesn't set the file descriptors for the newly created channel to -1, instead they are left as 0 which is a valid file descriptor.
> Dummy channels usually aren't read from, but functions like SHELL and CURL use autoservice on the channel. Without the patch the following is printed to the console:
> ERROR[10552]: channel_internal_api.c:1095 ast_channel_internal_alert_read: Alertpipe on channel  lost O_NONBLOCK?!!
> WARNING[10552]: channel.c:3980 __ast_read: No read routine on channel
> WARNING[10549]: channel.c:1330 __ast_queue_frame: Unable to write to alert pipe on  (qlen = 0): Bad file descriptor!
> Patch initializes the file descriptors using the same code for normal channel allocations. Bug us minor because the function's output is returned correctly.

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