Q243
What is the output of this program? #include #include #include #include int main() sem_t* sem_id; int value; sem_id = sem_open("sem_value",O_CREAT,0666,0); if(sem_id == SEM_FAILED) perror("sem_open"); if(sem_getvalue(sem_id,&value) == -1) perror("sem_getvalue"); printf("%d ",value); sem_wait(sem_id); printf("Examveda "); if(sem_close(sem_id) == -1) perror("sem_close"); return 0;
A.
0
AnswerB.
Examveda
C.
Both 0 and Examveda
D.
None of the mentioned
Answer: Option A
Solution
Answer: Option A
No explanation is given for this question Let's Discuss on Board