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OS Homework #2

OS Homework #2. How to finish it ?. Compile. GNU C Compiler (GCC) Please use gcc file .c -o file -o option specify execute file instead of a.out For C++? g++. Compile. Compile one file and exe gcc hello.c -o hello ./hello Compile multiple files gcc main.c fn_hello.c -o newhello.

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OS Homework #2

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  1. OS Homework #2 How to finish it ?

  2. Compile • GNU C Compiler (GCC) • Please use gcc file.c -o file • -o option specify execute file instead of a.out • For C++? g++

  3. Compile • Compile one file and exe • gcc hello.c -o hello • ./hello • Compile multiple files • gcc main.c fn_hello.c -o newhello

  4. Compile • Creating object files • Use –c option • gcc -c main.c • gcc -c fn_hello.c • gcc main.o fn_hello.o -o hello • Link Order?

  5. Makefile

  6. Makefile example

  7. Makefile • dependency

  8. Debug • Warning? • Segmentation Fault? • DDD (Data Display Debugger) • GDB (GNU Debugger)

  9. Homework • 1. producer-consumer • 2. fibonacci • 3. fibonacci using share memory • 4. simple popen • 5. mini-mini shell (optional)

  10. Resource • Please see http://www.cmlab.csie.ntu.edu.tw/~xdd/OS07/resources.html

  11. Q&A

  12. Thank You

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