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Operating Systems Design and Implementation, Third Edition phần 1 doc

Operating Systems Design and Implementation, Third Edition phần 1 doc

Operating Systems Design and Implementation, Third Edition phần 1 doc

... 2006PrintISBN -10 : 0 -13 -14 2938-8PrintISBN -13 : 978-0 -13 -14 2938-3eTextISBN -10 : 0 -13 -18 59 91- 9eTextISBN -13 : 978-0 -13 -18 59 91- 3Pages: 10 80CopyrightPrefaceChapter 1. IntroductionSection 1. 1. WhatIsan Operating System?Section 1. 2. ... WhatIsan Operating System?Section 1. 2. Historyof Operating Systems Section 1. 3. Operating SystemConceptsSection 1. 4. SystemCallsSection 1. 5. Operating SystemStructureSection 1. 6. Outline 1 1Simpo ... class="v1"height=" ;17 ">Index Operating Systems Design and Implementation, Third Edition By Andrew S. Tanenbaum - Vrije Universiteit Amsterdam, TheNetherlands, Albert S. Woodhull - Amherst, MassachusettsPublisher:...
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Operating Systems Design and Implementation, Third Edition phần 4 docx

Operating Systems Design and Implementation, Third Edition phần 4 docx

... request to handlenext. Using FCFS, it would go next to cylinder 1, then to 36, and so on. This algorithm would require armmotions of 10 , 35, 20, 18 , 25, and 3, respectively, for a total of 11 1 cylinders.Alternatively, ... request comes in to read a block on cylinder 11 . While the seekto cylinder 11 is in progress, new requests come in for cylinders 1, 36, 16 , 34, 9, and 12 , in that order. Theyare entered into the ... as Fig. 3- 21, assuming the directionbit was initially UP. The order in which the cylinders are serviced is 12 , 16 , 34, 36, 9, and 1, which yields armmotions of 1, 4, 18 , 2, 27, and 8, for a...
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Operating Systems Design and Implementation, Third Edition phần 9 doc

Operating Systems Design and Implementation, Third Edition phần 9 doc

... */ 16 110 console_t *cons = tp->tty_priv; 16 111 16 112 out_char(cons, c); 16 113 flush(cons); 16 114 } 16 116 /*===========================================================================* 16 117 ... m1_i2 17 712 #define stack_ptrm1_p2 17 713 #define status m1_i1 17 714 #define usr_id m1_i1 17 715 #define request m2_i2 17 716 #define taddrm2_l1 17 717 #define data m2_l2 17 718 #define sig_nr m1_i2 ... func m6_f1 [Page 872] 17 705 #define grp_id m1_i1 17 706 #define namelen m1_i2 17 707 #define pid m1_i1 17 708 #define procnr m1_i1 17 709 #define seconds m1_i1 17 710 #define sig m6_i1 17 711 #define...
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Operating Systems Design and Implementation, Third Edition phần 2 pptx

Operating Systems Design and Implementation, Third Edition phần 2 pptx

... sender and a timestamp added by the kernel.Sometimes this is all that is necessary. For instance, the keyboard uses a notify call when one of thefunction keys (F1 to F12 and shifted F1 to F12) ... manager and the file system will be found in any operating system. The information server (IS) handles22Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com 12 12 Simpo ... periods of 10 0, 200, and 500msec, respectively. If these events require 50, 30, and 10 0 msec of CPU time per event, respectively, thesystem is schedulable because 0.5 + 0 .15 + 0.2 < 1. If a...
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Operating Systems Design and Implementation, Third Edition phần 3 pptx

Operating Systems Design and Implementation, Third Edition phần 3 pptx

... elements of irq_handlers. Put_irq_handler adds an entry to one of these lists. 51 51 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.cominstance, the user command ps needs to ... ofpossible sources and destinations, and the call may require either sending or receiving or both sending and receiving a message. A number of tests must be made. On lines 7480 and 74 81 the function ... nullpointer and then executing a software interrupt. This has the same effect as a hardware reset.5555Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com 12 12 Simpo PDF Merge and...
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Operating Systems Design and Implementation, Third Edition phần 5 potx

Operating Systems Design and Implementation, Third Edition phần 5 potx

... by the operating system. Even if the hardware has beendesigned with, for example, 512 -byte pages, the operating system can easily regard pages 0 and 1, 2 and 3, 4 and 5, and so on, as 1- KB pages ... cache,the operating system can substantially reduce the number of TLB misses.[Page 395] 11 11 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com66Simpo PDF Merge and Split ... the hand is inspected. If its R bit is 0, the page isevicted, the new page is inserted into the clock in its place, and the hand is advanced one position. If R is 1, itis cleared and the hand...
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Operating Systems Design and Implementation, Third Edition phần 6 ppsx

Operating Systems Design and Implementation, Third Edition phần 6 ppsx

... the first clock tick, the R bits are 011 1 (page 0 is 0, therest are 1) . At subsequent clock ticks, the values are 10 11, 10 10, 11 01, 0 010 , 10 10, 11 00, and 00 01. If the aging algorithm is used with ... D, and F in that order. Their respective load times were 18 , 23, 5, 7, 32, 19 ,3, and 8. Their reference bits are 1, 0, 1, 1, 0, 1, 1, and 0 and their modified bits are 1, 1, 1, 0, 0, 0, 1, and ... is blocked.[Page 467] 21 21 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com[Page 4 81] 5. File Systems All computer applications need to store and retrieve information....
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Operating Systems Design and Implementation, Third Edition phần 7 pps

Operating Systems Design and Implementation, Third Edition phần 7 pps

... if the current file position is 600 and 10 24 bytes have been requested, the requestis split into two parts, for 600 to 10 23, and for 10 24 to 16 23 (assuming 1- KB blocks).For each of these pieces ... size is determined, for chunk sizes of 6, 2, and 1 bytes, respectively. The actual calculationis done on lines 2 515 9 to 2 516 9. 19 19 Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.comThe ... read_write (line 2 512 4) to handlecharacter special files, and from rw_block (line 226 61) to handle block special files. It builds a standardmessage (see Fig. 3 -17 ) and sends it to the specified...
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Operating Systems Design and Implementation, Third Edition phần 8 potx

Operating Systems Design and Implementation, Third Edition phần 8 potx

... September 30, 2004. 013 12 */ 013 13 013 14 #ifndef_TIMERS_H 013 15 #define _TIMERS_H 013 16 013 17 #include <limits.h> 013 18 #include <sys/types.h> 013 19 013 20 struct timer; 013 21 typedef void ... */ 011 10 #defineTCIOFLUSH 3 /* flush accumulated input and output data */ 011 11 011 12 /* Action values for tcflow(). POSIX Sec.7.2.2.2. */ 011 13 #define TCOOFF 1 /* suspend output */ 011 14 #define ... #define M1 1 03008 #define M3 3 03009 #define M4 4 03 010 #define M3_STRING 14 03 011 03 012 typedefstruct {int m1i1, m1i2, m1i3; char *m1p1, *m1p2, *m1p3;} mess _1; 03 013 typedef struct {int m2i1, m2i2,...
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Operating Systems Design and Implementation, Third Edition phần 10 pdf

Operating Systems Design and Implementation, Third Edition phần 10 pdf

... include/sys/sigcontext.h 017 00 include/sys/stat.h 014 00 include/sys/types.h 019 00 include/sys/wait.hDrivers 10 800 drivers/drivers.h 12 100 drivers/at_wini/at_wini.c 12 000 drivers/at_wini/at_wini.h 11 000 drivers/libdriver/driver.c 10 800 ... drivers/libdriver/driver.c 10 800 drivers/libdriver/driver.h 11 400 drivers/libdriver/drvlib.c 10 900 drivers/libdriver/drvlib.h 11 600 drivers/memory/memory.c 15 900 drivers/tty/console.c 15 200 drivers/tty/keyboard.c 13 600 ... in operating systems, networks, and large wide-area distributed systems. Together, all these research projects have led to over 10 0refereed papers in journals and conference proceedings and...
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