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/*********************************/
/* CALCULATRICE */
/*********************************/
#include<stdlib.h>
#include<stdio.h>
#include<unistd.h>
#include<sys/types.h>
#include<sys/wait.h>
/*********************************/
/* ADDITION */
/*********************************/
int Add(int x,int y){
int Res;
pid_t P = fork();
if(P == 0){
printf("je suis le fils addition: PID = %d", getpid() );
printf("mon pere: PID = %d", getppid() );
Res = x + y;
exit(Res);
}else if(P < 0){
printf("FORK a echoue");
exit(1);
}else{
printf("je suis le pere : PID = %d", getpid() );
printf("mon fils: PID = %d", P );
//wait();
}
}
/*********************************/
/* MULTIPLICATION */
/*********************************/
float Mult(float f,float g){
float Res;
pid_t P = fork();
if(P == 0){
printf("je suis le fils multiplication: PID = %d", getpid() );
printf("mon pere: PID = %d", getppid() );
Res = f * g;
exit(Res);
}else if(P < 0){
printf("FORK a echoue");
exit(1);
}else{
printf("je suis le pere : PID = %d", getpid() );
printf("mon fils: PID = %d", P );
//wait();
}
}
/*********************************/
/* MAIN */
/*********************************/
main(){
int P;
int x,y;
inr resultat1;
float f,g;
float resultat2;
char choix;
printf("Donner votre choix (addition/multiplication): A/M");
scanf(choix);
switch (choix){
case 'a':
printf("donner deux entiers:");
scanf(x,y);
Add( x, y);
printf("resultat =" , wait(resultat1) );
break;
case 'm':
printf("donner deux reels:");
scanf(f,g);
Mult(f,g);
printf("resultat =" , wait(resultat2) );
break;
default:
printf("faux caractere!");
}
} |
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