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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
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
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Modify the following  C program to synchronize between threads using semaphore

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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