#include <stdio.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <string.h>
#include "shmem.h"

main() {
	int shmid;
	int n;
	char cmd[50], linie[10];
	struct memorie *mem;
	FILE *p;

	shmid = shmget(KEYM, 0, 0);
	if (shmid<0) perror("err. la shmget:");

	mem = (struct memorie*) shmat(shmid, 0, 0);
	if (mem==NULL) perror("err. la atasare de memorie:");
	
	while (mem->gata_client != 1) sleep(1);
        n = -1;
 
        sprintf(cmd, "ps -U %s 2>/dev/null | wc -l", mem->user);
        p = popen(cmd, "r");
        if (p!=NULL) fgets(linie, 10, p);
        n = atoi(linie);
        pclose(p);

	mem->nr = n;
	mem->gata_server = 1;

	shmdt(mem);
}