In operating systems, concurrent processes must be synchronized in order to prevent race conditions. 1. With the aid of a sample codes in C language for two processes, illustrate the race condition concept. Clearly highlight the critical section 2. Modify your sample codes in (1) by incorporating the compare and swap function, shown in Table 1, in order to prevent the race condition. Show how the modified code satisfies the mutual exclusion requirement. *'s] Table 1: The compare and swap function int compare and swap(int *value, int expected, int new value) { int temp = *value; if (*value== expected) *value = new value; }
In operating systems, concurrent processes must be synchronized in order to prevent race conditions. 1. With the aid of a sample codes in C language for two processes, illustrate the race condition concept. Clearly highlight the critical section 2. Modify your sample codes in (1) by incorporating the compare and swap function, shown in Table 1, in order to prevent the race condition. Show how the modified code satisfies the mutual exclusion requirement. *'s] Table 1: The compare and swap function int compare and swap(int *value, int expected, int new value) { int temp = *value; if (*value== expected) *value = new value; }
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![In operating systems, concurrent processes must be synchronized in order to prevent race conditions.
1. With the aid of a sample codes in C language for two processes, illustrate the race condition concept. Clearly highlight the critical section.
2. Modify your sample codes in (1) by incorporating the compare and swap function, shown in Table 1, in order to prevent the race
s]
condition. Show how the modified code satisfies the mutual exclusion requirement.
Table 1: The compare and swap function
int compare and swap(int *value, int expected, int new value) {
int temp = *value;
if (*value == expected)
*value = new value;
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff6d34efb-714e-4109-86a1-c1e5ba7c23ed%2F89c9a836-2be9-4297-9b9f-346ddd08906f%2Fri470z1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In operating systems, concurrent processes must be synchronized in order to prevent race conditions.
1. With the aid of a sample codes in C language for two processes, illustrate the race condition concept. Clearly highlight the critical section.
2. Modify your sample codes in (1) by incorporating the compare and swap function, shown in Table 1, in order to prevent the race
s]
condition. Show how the modified code satisfies the mutual exclusion requirement.
Table 1: The compare and swap function
int compare and swap(int *value, int expected, int new value) {
int temp = *value;
if (*value == expected)
*value = new value;
}
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