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Re: [PATCH v2] ivshmem-server: Clean up shmem on shutdown


From: Markus Armbruster
Subject: Re: [PATCH v2] ivshmem-server: Clean up shmem on shutdown
Date: Fri, 08 Nov 2019 16:14:41 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)

Jan Kiszka <address@hidden> writes:

> On 06.08.19 15:01, Claudio Fontana wrote:
>> On 8/5/19 7:54 AM, Jan Kiszka wrote:
>>> From: Jan Kiszka <address@hidden>
>>>
>>> So far, the server leaves the posix shared memory object behind when
>>> terminating, requiring the user to explicitly remove it in order to
>>> start a new instance.
>>>
>>> Signed-off-by: Jan Kiszka <address@hidden>
>>> ---
>>>
>>> Changes in v2:
>>>   - respect use_shm_open
>>>   - also clean up in ivshmem_server_start error path
>>>
>>>   contrib/ivshmem-server/ivshmem-server.c | 6 ++++++
>>>   1 file changed, 6 insertions(+)
>>>
>>> diff --git a/contrib/ivshmem-server/ivshmem-server.c 
>>> b/contrib/ivshmem-server/ivshmem-server.c
>>> index 77f97b209c..88daee812d 100644
>>> --- a/contrib/ivshmem-server/ivshmem-server.c
>>> +++ b/contrib/ivshmem-server/ivshmem-server.c
>>> @@ -353,6 +353,9 @@ ivshmem_server_start(IvshmemServer *server)
>>>   err_close_sock:
>>>       close(sock_fd);
>>>   err_close_shm:
>>> +    if (server->use_shm_open) {
>>> +        shm_unlink(server->shm_path);
>>> +    }
>>>       close(shm_fd);
>>>       return -1;
>>>   }
>>> @@ -370,6 +373,9 @@ ivshmem_server_close(IvshmemServer *server)
>>>       }
>>>
>>>       unlink(server->unix_sock_path);
>>> +    if (server->use_shm_open) {
>>> +        shm_unlink(server->shm_path);
>>> +    }
>>>       close(server->sock_fd);
>>>       close(server->shm_fd);
>>>       server->sock_fd = -1;
>>> --
>>> 2.16.4
>>>
>>>
>>
>> Reviewed-by: Claudio Fontana <address@hidden>
>
> Markus, would you take this?

ivshmem has no maintainer.  I you need me to serve as a pull request
monkey of last resort, I can do that.  However, for this one,
qemu-trivial (cc'ed) should do.




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