Which one of the following string will print first by this program?
#include<stdio.h>
#include<pthread.h>
#include<semaphore.h>
sem_t st;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
printf("Linux\n");
sem_post(&st);
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
if(pthread_create(&pt,NULL,fun_t,NULL) == -1)
perror("pthread_create");
if(sem_init(&st,0,0) != 0)
perror("sem_init");
if(sem_wait(&st) != 0)
perror("sem_wait");
printf("Example\n");
if(pthread_join(pt,&res_t) == -1)
perror("pthread_join");
if(sem_destroy(&st) != 0)
perror("sem_destroy");
return 0;
}
#include<stdio.h>
#include<pthread.h>
#include<semaphore.h>
sem_t st;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
printf("Linux\n");
sem_post(&st);
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
if(pthread_create(&pt,NULL,fun_t,NULL) == -1)
perror("pthread_create");
if(sem_init(&st,0,0) != 0)
perror("sem_init");
if(sem_wait(&st) != 0)
perror("sem_wait");
printf("Example\n");
if(pthread_join(pt,&res_t) == -1)
perror("pthread_join");
if(sem_destroy(&st) != 0)
perror("sem_destroy");
return 0;
}
A. Linux
B. Example
C. Can not be predicted
D. None of the mentioned
Answer: Option A
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