[CRIU] [PATCH 3/3] log: log engine slight redesign

[Pavel Emelyanov]

On 02/29/2012 02:24 AM, Cyrill Gorcunov wrote:
> As being pointed by Kir there must be a clear
> distinction between errors and output messages.
> 
> Errors should always go to stderr descriptor
> while any other messages should go to stdout
> descriptor.
> 
> To achieve this a log engine was redesigned
> a bit.
> 
> The messages are filtered by their type
> 
>     LOG_MSG     - [stdout] plain messages, they escape any
>                            log level filtration
>     LOG_ERROR   - [stderr] error messages
>     LOG_WARN    - [strerr] warning messages
>     LOG_INFO    - [stdout] informative messages
>     LOG_DEBUG   - [stdout] debug messages

These 4 above should go to logfd, no?

> By default the LOG_WARN log level is used, thus LOG_INFO
> and LOG_DEBUG messages will not appear in output stream.