Modify the following C program to synchronize between threads using semaphore Run and test the codes before and after the modification. #include #include #include sem_t sync; int x = 0; void* thread(void* arg) { x = x + 1; printf("The Value of x is %d\n", x); } main() { sem_init(&sync, 0, 0) pthread_t th1,th2; pthread_create(&th1,NULL,thread,NULL); pthread_create(&th2,NULL,thread,NULL); pthread_join(th1,NULL); pthread_join(th2,NULL); }
Modify the following C program to synchronize between threads using semaphore Run and test the codes before and after the modification. #include #include #include sem_t sync; int x = 0; void* thread(void* arg) { x = x + 1; printf("The Value of x is %d\n", x); } main() { sem_init(&sync, 0, 0) pthread_t th1,th2; pthread_create(&th1,NULL,thread,NULL); pthread_create(&th2,NULL,thread,NULL); pthread_join(th1,NULL); pthread_join(th2,NULL); }
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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Question
Modify the following C
Run and test the codes before and after the modification.
#include <stdio.h>
#include <pthread.h>
#include <unistd.h>
sem_t sync;
int x = 0;
void* thread(void* arg) {
x = x + 1;
printf("The Value of x is %d\n", x);
}
main() {
sem_init(&sync, 0, 0)
pthread_t th1,th2;
pthread_create(&th1,NULL,thread,NULL);
pthread_create(&th2,NULL,thread,NULL);
pthread_join(th1,NULL);
pthread_join(th2,NULL);
}
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