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Userspace Corporation: Management Team Userspace seeks individuals who excel in their areas of expertise and are willing to get down and dirty with the details of running a small business. Userspace strongly emphasizes a manager's ability to work with people from diverse cultural and ethnic backgrounds in the United States and elsewhere. They are open to talking with employees about their roles with Userspace, their work at Userspace and where they'd like to go in their careers. www.userspace.com /mt.html   (527 words)

Cool Solutions: UserSpace 1.3 UserSpace is designed to work with the NDS and therefore requires NetWare 4.x or higher servers. UserSpace allows the you to specify the context from which you want to start the scan. UserSpace makes use of the Netware API, and requires that a Novell networking client be installed on the machine being used. www.novell.com /coolsolutions/tools/13705.html   (249 words)

Legislative Issues - Inslee Announces $194,000 SBIR Grant for Kirkland-based Userspace This grant, part of a two-year project, is expected to reach $394,000 overall once Userspace receives anticipated government funding of $200,000 next year pending the satisfactory progress of the project. These instruments can be controlled using Userspace's BioInstrument Manager platform, and the algorithms can independently process data in parallel or offline as they emerge in large data sets from one or many Mass Spectrometers. It is wonderful that the federal government recognizes that improvements in the flow of information for the life science industry lead to substantial social and scientific benefits. www.house.gov /inslee/issues/technology/sbir_userspace.html   (383 words)

Writing Simple Applications with RTLinux - fsmlabs.com   (Site not responding. Last check: 2007-10-10) The userspace code simply reads the two FIFOs coming from the two threads, and periodically pushes a command to the handler directing them to switch roles. For this reason, we have the mkfifo() call configure the userspace interaction threads to be visible in the host filesystem, but the internal ones to remain only within the context of the real-time system. The userspace application could have easily just written to the thread directly over this second FIFO, but this step was taken in order to demonstrate the sigaction() event handler and how to communicate between real-time threads. www.fsmlabs.com /writing-simple-applications-with-rtlinux-16.html   (1498 words)

Support Central : Userspace   (Site not responding. Last check: 2007-10-10) Userspace is the term that Everyones Internet uses to describe the 300 megabytes of web space that is available to each of the subscribers to our internet service at no additional cost. Once you have activated your userspace and created your site, you need to have a way to transfer files from your computer to the server. As a note, if you enable Frontpage extensions on your userspace, you MUST use Frontpage to upload your files to the server. users3.ev1.net /~techsupport/userspace   (860 words)

LKML: Gareth Knight: [PATCH] generic signal code (small new feature - userspace signal mask), kernel 2.6.16 Userspace signal mask ================== Inspiration and rationale: This is a proposed addition to the linux kernel to reduce the overhead required to mask signals. At any time the userspace sigmask is enabled, the effective sigmask is the union of the userspace sigmask and the traditional sigmask in the kernel for that thread. As soon as the relevant bit is set in the userspace sigmask, that signal is blocked in the same way it would be as if you'd blocked it via a traditional sigprocmask call. lkml.org /lkml/2006/10/15/162   (508 words)

Linux Kernel Documentation :: early-userspace : README 19 - klibc, a userspace C library, currently packaged separately, that is 20 optimized for correctness and small size. There are 24 two ways to add an early userspace image: specify an existing cpio 25 archive to be used as the image or have the kernel build process build 26 the image from specifications. The klibc distribution is currently 86 maintained separately from the kernel, but this may change early in 87 the 2.7 era (it missed the boat for 2.5). www.mjmwired.net /kernel/Documentation/early-userspace/README   (993 words)

DmUserspace - Xen Wiki It does this by sending messages to a userspace application when block requests are made, allowing userspace to respond with a destination device and sector location for the request to be satisfied. To reduce communication and simplify the internal data structures, the pseudo-device is divided into logical blocks, which are multiples of a single sector, as passed on the command line. Requests that come in while waiting for userspace to respond, while waiting to copy a block copy, or while flushing pending requests are queued and flushed in-order. wiki.xensource.com /xenwiki/DmUserspace   (991 words)

MaLinux   (Site not responding. Last check: 2007-10-10) LUFS is a hybrid userspace file system framework supporting an indefinite number of file systems transparently for any application. It consists of a kernel module and an userspace daemon. The reason for the userspace stuff: there are operations only suited for userspace (cryptography for example) and implementing them in kernel would be bloat. lufs.sourceforge.net /lufs/intro.html   (378 words)

SELinux Mailing List: by thread The question that still remains is whether to do this entirely in userspace or to create a kernel interface (via selinuxfs) to query the kernel about object class values and permission offsets. I'd prefer to do this in userspace if possible, as that would mean that a userspace object manager could use the same mechanism for querying any security server (i.e. That would be an overly limiting restriction for userspace object manager classes and permissions, so we would need to adjust that at least for non-kernel classes and permissions. www.nsa.gov /selinux/list-archive/0608/thread_body121.cfm   (3507 words)

The GadgetFactory. Netware and Windows management tools   (Site not responding. Last check: 2007-10-10) UserSpace quickly scans users home directories and/or profile directories reports on the amount of space used in each one. UserSpace will then find each user matching the criteria and calculate the size of their home/profile directories. UserSpace is designed to work with our Directory Sizer service and will automatically detect and use it if present. www.gadgetfactory.com /userspacewindows.shtml   (206 words)

bootsplash in debian kernel In the past it has been done in userspace so it seems that it is possible to do it right in userspace. Displaying the logo right would probably require it being displayed in early userspace, which although it means its not in the kernel itself it would be in the initrd/initramfs and would still need to be in the kernel debs. If bootsplash achieves something that can't be done using a combination of early userspace and regular userspace perhaps that part could be left as a kernel module and sent to lkml for inclusion. www.webservertalk.com /message61093.html   (975 words)

newuserfs -- a userspace filesystem hook for Linux 2.4 Userspace code should not depend on a particular kernel version, or machine, though it is OK if the format is different across machines. One approach is to write a userspace NFS server, but the NFS protocol is both more limited than the native VFS, and it also imposes a fair bit of work, for example in mapping to persistent filehandles. The mount process passes two file descriptors to the kernel, which are normally connected to pipes or sockets running to the userspace process. etc.samba.org /newuserfs   (2029 words)

futex(4): Fast Userspace Locking - Linux man page Futex operation is entirely userspace for the non-contended case. Any futex operation starts in userspace, but it may necessary to communicate with the kernel using the futex(2) system call. Userspace should now set the counter to 1 and instruct the kernel to wake up any waiters using the FUTEX_WAKE operation. www.die.net /doc/linux/man/man4/futex.4.html   (566 words)

[dm-devel] [RFC] dm-userspace Actual data flow should happen only in the kernel, and userspace should be able to control it without the blocks being passed back and forth. With the functionality it provides, I was able to write a userspace daemon that handles the mapping of blocks such that a qcow file could be presented as a single block device, mounted and accessed as if it were a normal disk. It's possible that new device-mapper targets could be developed in userspace using a special application that used dm-userspace to simulate the kernel environment. www.redhat.com /archives/dm-devel/2006-April/msg00114.html   (382 words)

libipq(3): iptables userspace packet queuing ... - Linux man page Netfilter provides a mechanism for passing packets out of the stack for queueing to userspace, then receiving these packets back into the kernel with a verdict specifying what to do with the packets (such as ACCEPT or DROP). These packets may also be modified in userspace prior to reinjection back into the kernel. Once ip_queue is loaded, IP packets may be selected with iptables and queued for userspace processing via the QUEUE target. www.die.net /doc/linux/man/man3/libipq.3.html   (662 words)

Userspace Administrative Tools   (Site not responding. Last check: 2007-10-10) For LinSec to represent a fully functional package a complete set of userspace tools to manage the mandatory security policy has to be provided. As one of the aims of LinSec was that it should represent a practical system the decision was made to allow external development of the tools according to the strict interface specification. Userspace tools were, therefore, implemented by Mr Bosko Radivojevic and Mr Veselin Mijuskovic at the Computer Centre, Faculty of Electrical Engineering, University of Belgrade. www.linsec.org /doc/final/node110.html   (164 words)

IPFlex Inc. :: Userspace Starts Evaluation of IPFlex's DAPDNA-2 Dynamically Reconfigurable Processor for U.S. ... Sanjaya Joshi, co-founder and CTO of Userspace and Principal Investigator of the grant, comments: "With protein characterization now one of the cornerstones of Systems Biology, real-time mass spectrometry will spearhead the understanding of disease processes. This configuration change can take place not only when the system is designed, but also during operation, dynamically, in a single clock cycle****, to meet the instantaneous change in needs of applications implemented by the system. Userspace Corporation is a life-sciences platform and services company that has specialized in laboratory and clinical process automation in Proteomics and Flow Cytometry. sev.prnewswire.com /computer-electronics/20050426/NYM01325042005-1.html   (648 words)

cpudyn If it is userspace then the user can issue commands to the scaling_setspeed to throttle the cpu by kilohertz. If cpudyn is working correctly then it will issue either the powersave or performance command to the scaling_setspeed file which then sets your cpu speed to either the maximum or minimum frequency defined by scaling_max_freq or scaling_min_freq. cpudyn uses the userspace governor even though it doesn't appear to since it issues either the powersave or performance governor to the scaling_governor. web.ics.purdue.edu /~nino/Linux/cpudyn.html   (1729 words)

Userspace program cannot get data from ctl_enqueudata() My code is very simple: it sends a variable length text to userspace. Then the ctrl_connect() method of kernel control is defined so whenever a userspace program connect to kernel control, ctl_connect() sends out few text. Then the userspace program quit the hangup status, and continue to print out data. lists.apple.com /archives/darwin-kernel/2006/Oct/msg00042.html   (504 words)

Netsoc: Support: FAQs: Filestorage & Userspace FAQ When you are mapping your userspace matrix authenticates against your ISS username and password. Due to restrictions imposed by the Computer Science firewall, it is somtimes not possible to connect to your userspace directly. This is actually quite useful for accessing your ISS userspace from home. support.netsoc.tcd.ie /faqs/userspace.php   (1505 words)

userspace block driver? | Linux | Kernel   (Site not responding. Last check: 2007-10-10) alternative is to pass data to/from a userspace daemon. > alternative is to pass data to/from a userspace daemon. userspace which mlocks itself into memory and avoids doing certain things). www.gossamer-threads.com /lists/linux/kernel/587088   (1967 words)

Linux: Filesystem In Userspace   (Site not responding. Last check: 2007-10-10) Windows 2k and up moved the sound drivers to userspace, so now it is the opposite from the free Unixen which have sound in the kernel but video in userspace. Well, on lwn.net I read sometimes ideas about moving a lot of drivers to userspace, and for instance it has been done in 2.6 for USB scanners and such (moved to libusb). Putting this in userspace is wrong from a security architecture perspective and would lead to poor latency. kerneltrap.org /node/4517   (2757 words)

Manual Page - futex(4) The Linux kernel provides futexes (’Fast Userspace muTexes’) as a building block for fast userspace locking and semaphores. The kernel is only involved to arbitrate the contended case. Processes can share this integer over mmap, via shared segments or because they share memory space, in which case the application is commonly called multithreaded. www.squarebox.co.uk /cgi-squarebox/manServer/usr/share/man/man4/futex.4   (566 words)

Dr. Dobb's | Google's Summer of Code: Part III | December 15, 2005 The actual implementation does not necessarily have to be written in C. Of course, having a userspace API for C is only half the battle (but it’s the larger half). Producing a framework involved attaching a new filesystem to the kernel frameworks, creating a communication pipe to the userspace and a serialized representation of filesystem operations, and creating an API to which userspace implementations could attach. Communication to the userspace was implemented as a device node, some ioctls, and argument structures. www.ddj.com /184406437   (2262 words)

[PATCH] Thaw userspace and kernel space separately. - Linux Help Forum restarting userspace or deadlocking against a frozen kjournald. > restarting userspace or deadlocking against a frozen kjournald. > > restarting userspace or deadlocking against a frozen kjournald. www.linuxhelpforum.com /showthread.php?p=2652181#post2652181   (1710 words)

v4l device in userspace | Linux | Kernel I may implement the whole code in userspace. Salvatore> userspace given the ability to handle ioctl from there. Lots of devices these days are on usb, and that can be done from userspace, for example. www.gossamer-threads.com /lists/linux/kernel/656121   (949 words)

Userspace drivers for the GNU system - Summary [Savannah] The purpose of this project is the creating of drivers for the GNU system that run on userspace and use the Hurd filesystem interfaces to provide device access to frontend programs. These drivers are meant to work on GNU Mach kernels but the long-term goal is to run them on L4 so that the Hurd can count with them when it's ready to run on that kernel. Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved. savannah.nongnu.org /projects/user-drivers   (186 words)

Linux netfilter Hacking HOWTO: Life in userspace   (Site not responding. Last check: 2007-10-10) Using the netfilter_dev device, almost anything which can be done inside the kernel can now be done in userspace. Unless you are trying to filter large bandwidths, you should find this approach superior to in-kernel packet mangling. In the very early days of netfilter, I proved this by porting an embryonic version of iptables to userspace. redvip.homelinux.net /varios/netfilter/netfilter-hacking-HOWTO-4.html   (433 words)

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