13. Identify all bugs, if any exist. A. Lines 2-3 B. Lines 3-4 C. Lines 5-6 D. Lines 11-12 E. No bugs Consider the following multi-threaded pseudocode. 1. get_msg () { 2. lock (& mutex); 3. sem_wait(); 4. msg = queue .pop(); 5. unlock (& mutex); 6. return msg; 7.} 8. add_msg () { 9. lock (& mutex); 10. queue. push (msg); 11. unlock (& mutex); 12. sem_post(); 13.] Identify all bugs, if any exist.
13. Identify all bugs, if any exist. A. Lines 2-3 B. Lines 3-4 C. Lines 5-6 D. Lines 11-12 E. No bugs Consider the following multi-threaded pseudocode. 1. get_msg () { 2. lock (& mutex); 3. sem_wait(); 4. msg = queue .pop(); 5. unlock (& mutex); 6. return msg; 7.} 8. add_msg () { 9. lock (& mutex); 10. queue. push (msg); 11. unlock (& mutex); 12. sem_post(); 13.] Identify all bugs, if any exist.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Can you help me with question 1
Transcribed Image Text:13.
Identify all bugs, if any exist.
A. Lines 2-3
B. Lines 3-4
C. Lines 5-6
D. Lines 11-12
E. No bugs
![Consider the following multi-threaded pseudocode.
1. get_msg () {
2. lock (& mutex);
3. sem_wait();
4. msg = queue .pop();
5. unlock (& mutex);
6. return msg;
7.}
8. add_msg () {
9. lock (& mutex);
10. queue. push (msg);
11. unlock (& mutex);
12. sem_post();
13.]
Identify all bugs, if any exist.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7c7a9c2d-7e21-4f8b-b1a6-1c46011f548b%2F66608ba8-e00d-4d38-9b67-cc2c1fea4b2e%2Feho53b8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the following multi-threaded pseudocode.
1. get_msg () {
2. lock (& mutex);
3. sem_wait();
4. msg = queue .pop();
5. unlock (& mutex);
6. return msg;
7.}
8. add_msg () {
9. lock (& mutex);
10. queue. push (msg);
11. unlock (& mutex);
12. sem_post();
13.]
Identify all bugs, if any exist.
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