Re: [Jack-Devel] Help! Using pipe() before jack_client_open() makes Jack crazy

I know of at least two applications which call pipe(2) before calling
jack_client_open(), without issues.

Whatever the problem is, it isn't what you think it is.


On Tue, Sep 24, 2013 at 5:02 PM, Yury Alyaev <[hidden]> wrote:

> Hello all,
>
> I'am now debugging some application, some times ago working perfectly with
> Jack. Now I have found, that if an application calls pipe() before
> jack_client_open(), some strange bugs appear. First, the message "jackd:
> wait for startup process exit failed" is printed to a console from which an
> application was run. Looking at Jack sources, I've found out, that this is
> a code of starting jackd. But it has already started from another console.
> In general, the behaviour of an application becomes unpredictable at this
> point, including hang-ups and writes of some trash to opened pipes, not
> initiated by an application itself. So I have no idea (and nothing is found
> in the internet) what is the reason of this thing and what should I do to
> avoid it?
>
> Thanks in advance,
> Yury.
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