ports/151725: sysutils/hal: hald fails to start with dbus-1.4

[Joe Marcus Clarke]

The following reply was made to PR ports/151725; it has been noted by GNATS.

From: Joe Marcus Clarke <marcus at freebsd.org>
To: Andriy Gapon <avg at freebsd.org>
Cc: Kevin Oberman <oberman at es.net>, gnome at freebsd.org,
        bug-followup at freebsd.org
Subject: Re: ports/151725: sysutils/hal: hald fails to start with dbus-1.4
Date: Tue, 09 Nov 2010 00:47:33 -0500

 On 11/9/10 12:36 AM, Andriy Gapon wrote:
 > on 09/11/2010 02:14 Kevin Oberman said the following:
 >> I'll try this as soon as I can. I'm not too sure that it will happen as
 >> I think that this is somehow timing related. I suspect that the entry is
 >> disappearing too quickly with 1.4 in some cases but is not a problem
 >> with 1.2. Perhaps some optimization? 
 >>
 >> I suggest this because on at least rare occasion, 1.4 did run
 >> successfully, not because I have any clue what was happening under the
 >> covers. 
 > 
 > I guess that I already explained this part.
 > The problem happened because we tried to write something (even if it's just zero
 > sized something) into stdin of a child process that already exited.
 > Sometimes the child process was quicker, sometimes the parent process was
 > quicker, hence the non-determinism.
 > 
 
 Ah, I missed that.  I wonder if it would be safer then to ignore SIGPIPE
 around the write block.
 
 Joe
 
 -- 
 Joe Marcus Clarke
 FreeBSD GNOME Team	::	gnome at FreeBSD.org
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