36 lines
709 B
C
36 lines
709 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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int main() {
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int ecrit;
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int lu;
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int p[2];
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pipe(p);
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pid_t pf = fork();
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if (pf == 0) {
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pid_t pf1 = fork();
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if (pf1 == 0) {
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while (read(p[0],&lu,sizeof(int)) > 0){
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printf("%d received %d\n", getpid(), lu);
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}
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}
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}
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else{
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pid_t pf2 = fork();
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if (pf2 == 0) {
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}
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else{
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while(1){
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sleep(3);
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ecrit = getpid();
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printf("%d sent %d\n", ecrit, ecrit);
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write(p[1],&ecrit,sizeof(int));
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}
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}
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}
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}
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