What does the following program print? 1 void *helper(void *arg) { 2 int *num = (int*) arg; 3 *num = 2; 4 return NULL; 5 } 6 int main() { 7 int i = 0; 8 pthread_t thread; 9 pthread_create(&thread, NULL, &helper, &i); 10 pthread_join(thread, NULL); 11 printf("i is %d", i); 12 return 0; 13 }

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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What does the following program print?
1 void *helper(void *arg) {
2 int *num = (int*) arg;
3 *num = 2;
4 return NULL;
5 }
6 int main() {
7 int i = 0;
8 pthread_t thread;
9 pthread_create(&thread, NULL, &helper, &i);
10 pthread_join(thread, NULL);
11 printf("i is %d", i);
12 return 0;
13 }

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