Ëxercice-2 :Thread sysnchronízation Complete the missing code in the following program in order to: 1/ allow the main thread to create 2 worker threads 2/ allow every worker to calculate the sum of all the elements of one halve (50 000 elements) of an array containing 100 000 integers 2/ allow the main thread to display the total calculated by the tow workers Note that the two workers threads use a single shared variable "summ" that has an atomic integer data type in order perform the calculation of the array addition Note that every element of the array contains the value 2 #include #include #include #include #include #include #include. std::vector v(. ...> summ; void *addArrayTho1(void *nth) { for (long i=0; i<. summ+=v[i]; } ..; i++}{ return NULL; } void -(void *nth) { for (unsigned i=. summ+=v[i]; ..; i++) return NULL; } int main() { pthread_t thread_id1 . summ=0; printf("Start main Thread\n"); pthread_create(&thread_id1, NULL, pthread_create(&thread_id2, NULL, addArrayTh02, NULL); pthread_join(. ,NULL); .., NULL); std::cout << <<" "; << exit(0);
Ëxercice-2 :Thread sysnchronízation Complete the missing code in the following program in order to: 1/ allow the main thread to create 2 worker threads 2/ allow every worker to calculate the sum of all the elements of one halve (50 000 elements) of an array containing 100 000 integers 2/ allow the main thread to display the total calculated by the tow workers Note that the two workers threads use a single shared variable "summ" that has an atomic integer data type in order perform the calculation of the array addition Note that every element of the array contains the value 2 #include #include #include #include #include #include #include. std::vector v(. ...> summ; void *addArrayTho1(void *nth) { for (long i=0; i<. summ+=v[i]; } ..; i++}{ return NULL; } void -(void *nth) { for (unsigned i=. summ+=v[i]; ..; i++) return NULL; } int main() { pthread_t thread_id1 . summ=0; printf("Start main Thread\n"); pthread_create(&thread_id1, NULL, pthread_create(&thread_id2, NULL, addArrayTh02, NULL); pthread_join(. ,NULL); .., NULL); std::cout << <<" "; << exit(0);
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
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![Exercice-2 :Threaď sysnchronízation
Complete the missing code in the following program in order to:
1/ allow the main thread to create 2 worker threads
2/ allow every worker to calculate the sum of all the elements of one halve (50 000
elements) of an array containing 100 000 integers
2/ allow the main thread to display the total calculated by the tow workers
Note that the two workers threads use a single shared variable "summ" that has an atomic
integer data type in order perform the calculation of the array addition
Note that every element of the array contains the value 2
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include
#include
#include
std::vector<int> v(..
..);
...> summ;
void *addArrayTh01(void *nth)
for (long i=0; i<.. .
summ+=v[i];
}
, i+{
return NULL;
}
void *
(void *nth)
{
for (unsigned i=. .; i .
summ+=v[i];
.; i++)
return NULL;
}
int main()
{
pthread_t thread_id1,
summ=0;
printf("Start main Thread\n");
pthread_create(&thread_id1, NULL,
pthread_create(&thread_id2, NULL, addArrayTh02, NULL);
pthread_join( ., NULL);
NULL);
std::cout <<...
exit(0);
<<
<<" ".](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F87ecc67c-ec51-49ab-bcbf-b793ed63abfb%2F586b3e77-8f7e-4f08-8939-76b613365d49%2Fyqpqj3l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercice-2 :Threaď sysnchronízation
Complete the missing code in the following program in order to:
1/ allow the main thread to create 2 worker threads
2/ allow every worker to calculate the sum of all the elements of one halve (50 000
elements) of an array containing 100 000 integers
2/ allow the main thread to display the total calculated by the tow workers
Note that the two workers threads use a single shared variable "summ" that has an atomic
integer data type in order perform the calculation of the array addition
Note that every element of the array contains the value 2
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include
#include
#include
std::vector<int> v(..
..);
...> summ;
void *addArrayTh01(void *nth)
for (long i=0; i<.. .
summ+=v[i];
}
, i+{
return NULL;
}
void *
(void *nth)
{
for (unsigned i=. .; i .
summ+=v[i];
.; i++)
return NULL;
}
int main()
{
pthread_t thread_id1,
summ=0;
printf("Start main Thread\n");
pthread_create(&thread_id1, NULL,
pthread_create(&thread_id2, NULL, addArrayTh02, NULL);
pthread_join( ., NULL);
NULL);
std::cout <<...
exit(0);
<<
<<" ".
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