{}
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/mman.h>
#include <time.h>
int main() {
// Criar memória compartilhada para 2 inteiros (CPU, RAM)
int *shared = mmap(NULL, 2 * sizeof(int),
PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS,
-1, 0);
if (shared == MAP_FAILED) {
perror("mmap");
exit(1);
}
pid_t pid1 = fork();
if (pid1 == 0) {
// Processo sensor
srand(time(NULL) ^ getpid());
while (1) {
shared[0] = rand() % 101; // CPU
shared[1] = rand() % 101; // RAM
sleep(1);
}
}
pid_t pid2 = fork();
if (pid2 == 0) {
// Processo dashboard
while (1) {
printf("CPU: %d%% | RAM: %d%%\n", shared[0], shared[1]);
sleep(1);
}
}
// Processo pai espera 10 segundos
sleep(10);
return 0;
}