Etudes/BTS/C/Deuxieme annee/fileMessageP1/main.c
2016-10-14 17:11:52 +02:00

40 lines
738 B
C

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <errno.h>
#include "zone.h"
#include <unistd.h>
#include <time.h>
float randomF()
{
return ((float)100.0*(rand()/(RAND_MAX+0.1)));
}
int main()
{
int i;
zone maZoneMemoire;
key_t clef;
int msqid;
clef = ftok("/tmp/bidon", 5678);
msqid = msgget(clef, 0666 | IPC_CREAT);
if(msqid == -1)
{
printf("Erreur creation file message : %s\n", strerror(errno));
}
while(1)
{
maZoneMemoire.type = randomF();
msgsnd(msqid, (struct msgbuf *) &maZoneMemoire, sizeof(maZoneMemoire), 0);
printf("Nouveau message envoye.\n");
usleep(99999);
}
}