Cmput 379 Lab Homepage

Announcements / Links:

• The official c379 course outline and home page
• Some of Steven's examples require an "ourhdr.h" file. A custom version of this file is stored in this tar file. See the README for help.
• gcc vs g++

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Lab 11: Using gdb under emacs

• Example walk-through

Lab 10: Record Locking and getloadavg()

• Lecture Notes
• Example of record locking (and review of previous labs)

Lab 9: Using the gdb debugger

• Lecture Note

Lab 8: Intro to csh scripting

• Lecture Notes

Lab 7: Intro to select()

• Lecture Notes
• Example: showing how select deals with a closed socket/pipe stream

Lab 6: Intro to sockets

• Lecture Notes

Lab 5: Intro to signals, signal(), sigaction(), alarm()

• Lecture Notes
• Signals
• Examples
• Program 10.1 (pg 272): program that uses signal() to catch SIGUSR1 and SIGUSR2
• Example playing with SIGPIPE and sigaction()

Lab 4: Buffering, makefiles, argc, argv, getopt()

• Lecture Notes
• Buffering
• Makefiles
• Examples
• Program 7.2 (pg 166): review of argc / argv
• Example playing with setvbuf()
• Example of using getopt()
• Further Reading
• GNU make

Lab 3: wait() and waitpid()

• Presentation Material
• Lecture Notes
• Homework
• Lab Exercise #3 .
• Lab #2 should be demonstrated by the end of Friday's lab
• Lab #3 can either be demonstrated in the lab, or it can be emailed to me by Saturday midnight.
• Recommended Reading:
• Stevens 8.6 (pages 197 - 201)

Lab 2: dup2() and exec()

• Presentation Material
• Lecture Notes
• Examples of execl(), execlp(), execv(), execvp(). Each executes "ls -al"
• Homework
• Lab Exercise #2 .
• The review is slightly different from last week - now each input line causes the parent to spawn a new child.
• The grading for this can be found here
• Recommended Reading:
• Stevens 3.12 (pages 61 - 63)
• Stevens 8.9 (pages 207 - 212)

Lab 1: fork() and pipe()

• Presentation Material
• Example of fork(), getpid(), and getppid()
• Program 8.1 (p.190) fork() example: The parent and child have private copies of all variables, which is why the output of the parent and child varies
• Program 14.1 (p.431) pipe() example: Sends data from the parent to the child over a pipe
• Homework
• Lab Exercise #1
• Recommended Reading:
• Stevens 8.1 - 8.3 (pages 187-193)
• Stevens 14.1 - 14.2 (pages 427-431). Pager example optional
• Browse Stevens chap 5, or read through my summary
• Feedback
• Practical application of pipes?