understanding the linux kernel 2nd edition pdf

... some process, the kernel lets the disk controller handle it, and resumes executing other processes. An interrupt notifies the kernel when the device has satisfied the read, so the former process ... while the CPU is running a kernel control path with the interrupts enabled. The first kernel control path is left unfinished and the CPU starts processing another kernel control path to handle the ... simplest case, the CPU executes a kernel control path sequentially from the first instruction to the last. When one of the following events occurs, however, the CPU interleaves the kernel control...

Ngày tải lên: 21/12/2013, 11:15

... address the segment, the kernel just loads the value yielded by the macro into the cs register. ã A kernel data segment. The fields of the corresponding Segment Descriptor in the GDT have the ... or the brk( ) system call (which is invoked internally by malloc( )), the kernel just updates the size of the heap memory region of the process. A page frame is Understanding the Linux Kernel ... permanently mapped by the kernel, and the "high memory," that is, the physical memory that is not permanently mapped by the kernel. Understanding the Linux Kernel 26 1.6.4 Process...

Ngày tải lên: 25/03/2014, 10:52

Ngày tải lên: 14/12/2013, 21:15

Ngày tải lên: 14/12/2013, 21:15

Ngày tải lên: 14/12/2013, 21:15

Ngày tải lên: 24/12/2013, 06:17

... writing HTML easier. The two designs pictured here look similar, but the top page is styled completely with CSS, while the bottom page uses only HTML. The size of the HTML file for the top page is ... exactly what they wanted, they often resorted to using graphics. For example, they’d create a large graphic to capture the exact font and layout for web page elements and then slice the Photoshop ... for Starters: The Missing Manual by David Pogue Word 2007: The Missing Manual by Chris Grover Your Body: The Missing Manual by Matthew MacDonald Your Brain: The Missing Manual by Matthew MacDonald Download...

Ngày tải lên: 27/01/2014, 09:20

... recognize the <script> tag see the comment markers and therefore don’t try to display any of the JavaScript code between them. In JavaScript, on the other hand, <! is the beginning ... Windows 72 Using the Right Name: How Windows See Themselves and Each Other 73 Moving Windows to the Front or Back of the Screen 74 Window Properties 74 The status Property 74 The opener Property ... calls the script, the server has to start up another copy of it. As more and more people try to run the script, the server slows down progressively. If a thousand people are trying to run the...

Ngày tải lên: 17/03/2014, 12:20

... with lignin during the acid stage of the bleaching process increase the whiteness of the pulp. The alkaline extraction stages dissolve the lignin/acid reaction products. At the washing stage, ... Operations After pressing, the sheet enters a drying section, where the paper fibers begin to bond together as steam heated rollers compress the sheets. In the calender process the sheet is pressed ... but are not as strong. The efficiency and effectiveness of the sulfite process is also dependent on the type of wood furnish and the absence of bark. For these reasons, the use of sulfite pulping...

Ngày tải lên: 18/03/2014, 02:20

... first send the specific network block used in the remote office to the far side of the private T1 . Then we add the default route to send all other traffic to the exterior router’s Ethernet ... points to the IP address of the remote office router’s Ethernet interface. This is best done on the DHCP server. The router then needs to know to send outbound traffic to the far side of the serial ... destination IP address , and the second 0.0.0.0 is the netmask . This combination means “every IP address in the world.” The router knows that the IP addresses in the 10.0.2.0 network block...

Ngày tải lên: 30/03/2014, 20:20

... margins. A general rule is that the lower the gross margin ratio, the higher the inventory turnover. The interval of time from acquisition of the product to the sale of the product equals one inventory ... inventory turnover—their products do not stay on the shelves very long. Even taking into account the holding period in their warehouses before the products get to the shelves in the stores, their inventory ... example in the book. Take the example as your own business; imagine that you are the owner or the top-level manager of the busi- ness, and that you will reap the gains of every decision or suf- fer the...

Ngày tải lên: 28/06/2014, 12:20

... $this->cfg['users_table']['col_password']; At the beginning of the method, we store some of the configuration settings in local variables to help the readability of the rest of the method. The method then instantiates ... confirmed, the record is copied to the user table, and the old record is deleted from the signup table. Thus the confirmation process, the user’s registration, and our SignUp class, is complete! The ... rechecked on every new page by the Auth class. The trick is to change the value of the password in both the session variable and the database when users change their passwords. We can perform...

Ngày tải lên: 13/08/2014, 09:20

... The first three of these properties hold the RSS channel information, the $items array will hold all the RSS items from the specified feed, and $xml will hold the feed’s raw XML source. The ... delivering the file to the end user in accordance with the file’s type—for instance, it starts Acrobat Reader if the file is a PDF document. Therefore, if you send the cache headers that instruct the ... re- quests to the web site. The first request downloads the file and stores it in the cache before making a second request, the response to which is not stored. The second request invokes the process...

Ngày tải lên: 13/08/2014, 09:20

... /lib/modules /kernel- version. Kernel image và initrd được đưa vào /boot/.  Với việc biên dịch kernel, với mỗi kernel có thể có các lỗi khác nhau. (Vì source kernel không đúng). Tùy theo tình huống ... - Chú ý: phải remove theo thứ tự ngược lại. - Liệt kê module lại để kiểm tra 2/ Compiling kernel: - Download source kernel từ trang kernel. org. - Để biên dịch được kernel, cần cài bộ C ... MẠNG ATHENA 2 Bis Đinh Tiên Hoàng, P. Đa Cao, Q.1, TP.HCM Tel: (84-8) 38244041 – 0989012418 www.athena.edu.vn Biên soạn: Nguyễn Trí Thức – Lưu Hành Nội Bộ 97 Bài Lab 6: Compiling the linux...

Ngày tải lên: 29/09/2013, 20:20

Ngày tải lên: 28/10/2013, 19:15

Ngày tải lên: 07/11/2013, 15:15

Ngày tải lên: 07/11/2013, 15:15

Ngày tải lên: 07/11/2013, 15:15

Ngày tải lên: 14/12/2013, 21:15

Ngày tải lên: 14/12/2013, 21:15