From mboxrd@z Thu Jan  1 00:00:00 1970
From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Date: Mon, 9 Mar 2009 11:22:46 -0400
Subject: [ltt-dev] format in marker_entry problem
In-Reply-To: <49B4D705.4010208@cn.fujitsu.com>
References: <49B4D705.4010208@cn.fujitsu.com>
Message-ID: <20090309152246.GB10939@Krystal>

* Gui Jianfeng (guijianfeng at cn.fujitsu.com) wrote:
> Hi Mathieu,
> 
> I'd like to know what's the actual value of the *format* member in 
> struct marker_entry. Why i have to pass a format parameter when calling
> marker_probe_register(). Consider the following scenario:
> There are two are markers A and B with same channel and name, but 
> different format like this: 
> A("mychan", "mymarker", "format 1")
> B("mychan", "mymarker", "format 2")
> 
> Call marker_probe_register("mychan", "mymarker", "format 1",....)
> here A is activated.
> IIUC, B can't be activated until A is deactivated.
> I guess this is what we don't want.
> 

marker.c will detect a format mismatch and show an error. It will not
care about the second marker. Therefore, you should consider a 1 -> 1
mapping between channel/marker names -> format string.

Mathieu

> -- 
> Regards
> Gui Jianfeng
> 
> 
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-- 
Mathieu Desnoyers
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