Hai hai masih bersama gue Aurum kali ini mau ngeshare codingan Sisop lab moga bermanfaat yah kawan :)
#include<stdio.h>
#include<stdlib.h>
#include<sys/types.h>
#include<sys/ipc.h>
#include<sys/sem.h>
#include<sys/shm.h>
#include<unistd.h>
char *buffer;
#define flush scanf("%c",&buffer);
#include<time.h>
struct data{
char name[40];
char email[40];
char vehicle[40];
int qty;
};
int main(){
// deklarasi shm / shared memory
int shmid = shmget(123456, sizeof(struct data), IPC_CREAT|0666);
struct data *p = (struct data *) shmat(shmid, 0, 0666);
// deklarasi sem / semaphore
int semid = semget(123456, 1, IPC_CREAT|0666);
semctl(semid, 0, SETVAL, 0);
// struct sembuf
struct sembuf op;
op.sem_num = 0;
op.sem_op = -1;
op.sem_flg = 0;
system("clear");
printf("==SERVER==\n");
printf("==========\n\n");
srand(time(NULL));
while(1){
semop(semid, &op, 1);
//OUTPUT
if(strcmp(p->name,"exit") == 0) break;
char kode[5];
kode[0] = rand()%('Z' - 'A' +1) + 'A';
kode[1] = rand()%('Z' - 'A' +1) + 'A';
kode[2] = rand()%( '9' - '0' +1) + '0';
kode[3] = rand()%( '9' - '0' +1) + '0';
kode[4] = '\0';
printf("Kode : %s\n", kode);
printf("Name : %s\n", p->name);
printf("Email : %s\n", p->email);
printf("Vehicle : %s\n", p->vehicle);
printf("Quatity : %d\n", p->qty);
}
shmdt(p);
shmctl(shmid, IPC_RMID, 0);
semctl(semid, 0, IPC_RMID);
getchar();
return 0;
}
