June 2008 - Darwin-dev - lists.apple.com

Re: USB Serial - RS232
by Steve Checkoway 08 Jun '08

08 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Jun 8, 2008, at 9:54 AM, Allen Curtis wrote: Oh well, I guess the brute force method of specifying the device name directly will work. Maybe darwin-dev isn't the best list to ask. Try the USB list. -- Steve Checkoway "Anyone who says that the solution is to educate the users hasn't ever met an actual user." -- Bruce Schneier _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com I had changed this like of code to match kIOSerialBSDAllTypes. The enumeration finds the Bluetooth modem and PDA sync but nothing from USB. I didn't see anything about matching but types. Have you examined IORegistryExplorer while your device is plugged in to make sure it is showing up there? Maybe that will give a clue as what to use to match the device. smime.p7s

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Re: USB Serial - RS232
by Allen Curtis 08 Jun '08

08 Jun '08

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Re: USB Serial - RS232
by Allen Curtis 08 Jun '08

08 Jun '08

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Re: USB Serial - RS232
by Ben Greenfield 08 Jun '08

08 Jun '08

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Re: USB Serial - RS232
by Allen Curtis 08 Jun '08

08 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type:references; bh=uCcGboNQ9irsxsbIKWWj18evsfIySR2bCtTNT1W4Xss=; b=aloBdD+2Z6aXAJ8qH3PhD92hmN6bnrNz44ro/sKNUxvT9JJAohWeTWrCvMLRh81WZx p5QUFs7WgBz9kVw0DBRE3Lzf6ns1jNeu+LfCMFaPtR6Pj5pqXw56xZqfurjvFgKEm3++ RvFXz+pQOBC/ru8s25GFZZ5rcn6DlBSc3PxUQ= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:references; b=EnQuJKqamSDQc9WJS0NZ7HOXsPb2ddnU8MQtJFyC8pq3s1OtMPgU+SEi/oVxISOXAF zcm3PhJY3orBsXVr//C7CE9YKQjghLs7MlV9XQNtzcb1KkoV+3gGQKbUEq1mFh43mjuh 8jBk08Dy4kt5cFTRK4LhKTkF41U5Qo9UFIhxI= _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: USB Serial - RS232
by Ben Greenfield 08 Jun '08

08 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Jun 7, 2008, at 10:04 PM, Allen Curtis wrote: Hello, Ben TIA - Allen _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/ben%40cogs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… I have searched the mailing list for the answers to my question but it appears that what I have done should work. I have purchase a USB to serial adapter from two different vendors. One from ioGear, the other from i.Connect. In both cases the device drivers where installed and I could see the device in the System Profiller. However when I run the SerialPortSample program, I only see the Bluetooth devices. The sample code has been modified to find any serial type device so both the PDA-Sync and Modem devices get reported, but I never see the USB serial devices. I am running MAC OS X 10.5.3, with XCode 3.1. Shouldn't the USB serial devices enumerate just like the Bluetooth ones? What do I need to do? I can't quite remember the details but doing an ls -la /dev/ should reveal the tty devices they will probably have a name that includes some sort of manufactuers signature. If you can't find it that why do one ls -la without anything plugged in and the do another after plugging in the device compare and if there are addtions in the second one that is the serial device. If I searched around I could give better advice but I figure at least this advice is a fast response and it may work for you. This email sent to ben(a)cogs.com This email sent to site_archiver(a)lists.apple.com

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USB Serial - RS232
by Allen Curtis 08 Jun '08

08 Jun '08

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Re: DiskArbitration, unmounting busy due to fseventsd?
by Terry Lambert 06 Jun '08

06 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com Good day! So here's the setup: 2) I format these devices by calling standard format commands, such as newfs_{hfs,msdos,...}. The problem I have is this: 2.1) I try to unmount a mounted device using DADiskUnmount. 2.2) This fails because the device is "busy". - There are no IO operations happening. - There are no files open by users. - The only file open on the mount point is (output from lsof): fseventsd 34 root 12u REG 14,4 0 999999999 <mountpoint>/.fseventsd/0000000000006478 2.3) If I use the kDADiskUnmountOptionForce option in the call to DADiskUnmount, it corrupts the filesystem. So my questions are: Yes. -- Terry _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… On Jun 6, 2008, at 1:44 AM, Tim Schooley wrote: 1) I have a kext that creates an IOBlockStorageDriver. I setup and tear down block devices from userspace with an application. 3) Using an application, and the DiskArbitration calls (namely DADiskMountWithArguments and DADiskUnmount), I mount these devices to a directory on the filesystem. 3.0) Is the fseventsd causing this busy mount point issue? 3.1) What is this fseventsd doing sticking its nose into my mountpoint? It is looking for file creations/changes on the device so it can report them to Spotlight for (re)indexing, or to other clients of fseventsd (like TimeMachine backup). It sticks it's nose in your mount point to create an event log file, which it then holds open until the disk is unmounted. The intent of the log file is to ensure that you don't have to rescan the entire disk due to last minute changes (or that last minute changes will not be indexed or backed up). Typically such changes represent events that have occurred, but for which fseventd clients have either been stopped or are not reading and reacting to events (e.g. at shutdown time, due to non-ordered shutdown of processes). It technically doesn't actually need to keep this log file open if it's not actively logging something, but it does so anyway. fseventsd registers a callback with DARegisterDiskUnmountApprovalCallback to permit it to get notification of the pending unmount. If you have failed to register an unmount completion callback, a direct call to the unmount is considered synchronous instead of asynchronous, and the unmount will fail, since it does not give fseventd time to close down the log. 3.2) Can I stop the fseventsd from doing this? Yes. The mount option MNT_NOBROWSE ("-o nobrowse" on the mount command line) will prevent fseventd from listening for events on the volume. It will also disable TimeMachine, Spotlight indexing, and other clients of fseventd, so this is generally not a good idea. 3.3) Am I missing some sort of call to the fseventsd? No, but you are missing registering an unmount completion callback with DiskArbitration so that the DADiskUnmount is not synchrnously answered with the only answer available at the time it returns ("busy"). This email sent to site_archiver(a)lists.apple.com

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DiskArbitration, unmounting busy due to fseventsd?
by Tim Schooley 06 Jun '08

06 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com User-agent: Thunderbird 2.0.0.14 (X11/20080505) Good day! So here's the setup: 1) I have a kext that creates an IOBlockStorageDriver. I setup and tear down block devices from userspace with an application. 2) I format these devices by calling standard format commands, such as newfs_{hfs,msdos,...}. 3) Using an application, and the DiskArbitration calls (namely DADiskMountWithArguments and DADiskUnmount), I mount these devices to a directory on the filesystem. The problem I have is this: 2.1) I try to unmount a mounted device using DADiskUnmount. 2.2) This fails because the device is "busy". - There are no IO operations happening. - There are no files open by users. - The only file open on the mount point is (output from lsof): fseventsd 34 root 12u REG 14,4 0 999999999 <mountpoint>/.fseventsd/0000000000006478 2.3) If I use the kDADiskUnmountOptionForce option in the call to DADiskUnmount, it corrupts the filesystem. So my questions are: 3.0) Is the fseventsd causing this busy mount point issue? 3.1) What is this fseventsd doing sticking its nose into my mountpoint? 3.2) Can I stop the fseventsd from doing this? 3.3) Am I missing some sort of call to the fseventsd? My apologies if I missed some documentation on this, but I honestly did try looking :( Many thanks for any help/advice/comments. Kind regards, Tim _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com signature.asc

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Re: How to build darwin packages like netinfo?
by Jean-Daniel Dupas 06 Jun '08

06 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Le 6 juin 08 à 05:22, Michael Grigoni a écrit : Greetings, How does one build Apple-packaged system code like netinfo (I need to add debugging to 'lookupd') on Darwin (as opposed to OS-X)? Some things like 'launchd' come with autoconf scripts and build with just a few glitches, but 'netinfo' depends on a system build framework and 'Project Builder' which isn't part of the Darwin distribution. IDE's like XCode require OS-X and the GUI. Where do I get the stuff necessary to build the o/s code and tools? It doesn't look like there is any sort of full source and toolchain distribution that could 'make world' like in some other *BSD flavors. I am working on Darwin8. All help appreciated. _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com DarwinBuild is probably what your looking for (http://darwinbuild.macosforge.org/ ). Michael smime.p7s

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