!!! Strict %html %head %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/ %title Synthesis: An Efficient Implementation of Fundamental Operating System Services - Abstract %link{:href => "../css/style.css", :rel => "stylesheet", :type => "text/css"}/ %link{:href => "style.css", :rel => "stylesheet", :type => "text/css"}/ %body #nav %a.home{:href => "../index.html"} Alexia's Home %a{:href => "index.html"} Dissertation %a{:href => "abs.html"} Abstract %a{:href => "ack.html"} Acknowledgements %a{:href => "toc.html"} Contents %a{:href => "ch1.html"} Chapter 1 %a{:href => "ch2.html"} Chapter 2 %a{:href => "ch3.html"} Chapter 3 %a{:href => "ch4.html"} Chapter 4 %a{:href => "ch5.html"} Chapter 5 %a{:href => "ch6.html"} Chapter 6 %a{:href => "ch7.html"} Chapter 7 %a{:href => "ch8.html"} Chapter 8 %a{:href => "bib.html"} Bibliography %a.here{:href => "app-A.html"} Appendix A #running-title Synthesis: An Efficient Implementation of Fundamental Operating System Services - Abstract #content Appendix A %span.smallcaps Unix Emulator Test Programs \#define N 500000int x[N]; main() -int i; for(i=5; i--; )g(); printf("%d"n%d"n", x[N-2], x[N-1]); "" g() - int i; x[0] = x[1] = 1;for(i=2; i!N; i++) x[i] = x[i-x[i-1]] + x[i-x[i-2]];"" Figure A.1: Test 1: Compute 137 #define N 1024 /* or 1 or 4096 */char x[N]; main()- int fd[2],i;pipe(fd); for(i=10000; i--; ) -write(fd[1], x, N); read(fd[0], x, N);"" "" Figure A.2: Test 2, 3, and 4: Read/Write to a Pipe \#include !sys/file.h? #define Test.dev "/dev/null" /* or /dev/tty */ main()- int f,i;for(i=10000; i--; ) - f = open(Test.dev, O.RDONLY); close(f);"" "" Figure A.3: Test 5 and 6: Opening and Closing \#include !sys/file.h?#define N 1024 char x[N];main() - int f,i,j; f = open("file", O.RDWR -- O.CREAT -- O.TRUNC, 0666); for(j=1000; j--; ) - lseek(f, 0L, L.SET);for(i=10; i--; ) write(f, x, N);lseek(f, 0L, L.SET); for(i=10; i--; )read(f, x, N); ""close(f); "" Figure A.4: Test 7: Read/Write to a File