Lab 3 - IDA

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<strong>Lab</strong> 3: Wait • int wait (pid_t pid); • Returns the child exit code. • Child has exited → wait returns without delay. • Child has not exited → parent waits for the child. 12
<strong>Lab</strong> 3: Situations with Wait • Child exits before the parent and: – parent calls wait() afterwards Child exit(0) keep the exit value Destroy the exit value! Parent exec(Child) wait(Child) exit(0) wait() returns child’s exit value without waiting 13
Page 1 and 2: TDDB68 2011 Lesson 2 Pintos Assignm
Page 3 and 4: Instead of Motivation • Some of y
Page 5 and 6: Lab 3: overview • Part A - Multip
Page 7 and 8: Exec & wait example: src/examples/s
Page 9 and 10: Part A Lab 3: Exec • pid_t exec (
Page 11: Lab 3: Exec Starting the child Pare
Page 15 and 16: Lab 3: Situations with Wait • Chi
Page 17 and 18: Reference counting “poor man's ga
Page 19 and 20: Lab 3: Part B • Sometimes we want
Page 21 and 22: Lab 3: Part B • Every time you do
Page 23 and 24: Lab 3 (B): Program arguments • ST
Page 25 and 26: Address Name Data Type 0xbffffffd a
Page 27 and 28: Lab 3 : Part C • Part C: Making t
Page 29 and 30: Bad string argument • User progra
Page 31 and 32: Lab 3 : Pointer paranoia Memory val
Page 33 and 34: Lab 4: General Description • Lab
Page 35 and 36: Lab 4: Files (2) • devices/disk.[
Page 37 and 38: Lab 4: Additional System Calls •
Page 39 and 40: Lab 4: Final Tests • For testing

Lab 3 - IDA

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