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| #include<stdio.h>
#include<stdbool.h>
#include<stdlib.h>
#include<unistd.h>
#include<sys/types.h>
#include<sys/wait.h>
#include<signal.h>
#include<string.h>
int main ()
{
int tube [2];
char texte[10];
int score1=0;
int score2=0;
pipe(tube);
int i;
pid_t ping;
ping=fork();
pid_t pong;
pong=fork();
char gagneping[9]="pingping";
char gagnepong[9]="pongpong";
for(i=1;i<15;i++)
{
if (ping ==0)
{
write(tube[1], "ping", 5);
sleep(1);
}
if (pong==0)
{
write(tube[1], "pong", 5);
sleep(2);
}
i++;
}
pid_t arbitre;
arbitre=fork();
//if (arbitre==0)
//read(tube[0],texte,10);
while((score1 <11) || (score2<11))
{
read (tube[0], texte, 10);
printf ("%s\n",texte);
if (strcmp(texte,gagneping))
{
score1++;
printf (" ping gagne %i\n à %i\n", score1,score2);
sleep(1);
}
else if (strcmp(texte,gagnepong))
{
printf ("pong gagne %i\n à %i\n", score1,score2);
score2++;
}
}
/*if (score1==11 || score2==11)
{
signal(SIGKILL, getpid);
}
*/
return 0;
} |
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