Cooperating Processes. Determine the output when the program is run. Shared var integer X = 0, integer Y = 0 Process A Process B while (X == 0) { // do nothin

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
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Concurrent Cooperating Processes. Determine the output when the program is run.

Shared var integer X = 0, integer Y = 0

Process A Process B
while (X == 0) {
       // do nothing
 }
 printf ("a");
 printf ("d");
Y = 1;
printf ("b");
X = 1;
while (Y == 0) {
      // do nothing
}
printf ("c");

 

choices:

bcad
 
badc
 
adbc
 
abcd

answer only no need explanation

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