Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!uunet!wuarchive!cs.utexas.edu!romp!auschs!cello!d75!awdprime!toysrus!dcm
From: dcm@toysrus.uucp (dcm)
Newsgroups: comp.unix.aix
Subject: Re: CD's and CD-ROM Player
Message-ID: <3450@awdprime.UUCP>
Date: 10 Sep 90 15:24:56 GMT
References: <1990Sep10.023653.330@jdyx.UUCP>
Sender: news@awdprime.UUCP
Reply-To: dcm@toysrus.austin.ibm.com (Craig Miller)
Distribution: usa
Organization: IBM AWD, Austin, TX
Lines: 30

In article <1990Sep10.023653.330@jdyx.UUCP> shawn@jdyx.UUCP (Shawn Hayes) writes:
>
>     Has anyone gotten the CD-ROM player program to play music CD's yet?
>I have compiled the CD player program that was posted recently, but when I
>try to play anything I get a message that the program can't open 
>/dev/rcd0.  I've verified that the raw cd0 file exists and I'm not quite
>sure of what else to look at?       
>
>Any ideas?
>
>Thanks.
>
>Shawn


Shawn,

	Try running the program setuid root.  For some reason, only
	processes with euid = 0 can open the cd device file, regardless
	of the permissions on the file itself (actually, setuid 0 is
	probably overkill.  you probably just need to have one of the
	privilege bits set).

--------

	Craig Miller, contractor @ IBM AWD, Austin  (I don't speak for IBM)
	UUCP: ..!uunet!cs.utexas.edu!ibmaus!auschs!toysrus.austin.ibm.com!dcm

	"Just because it works doesn't means it's right, stupid!"
	"You should never install code you do not understand."