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Clearly separate the code between the parent and the child
[TD_IML.git]
/
TD1
/
part_two
/
exo.c
diff --git
a/TD1/part_two/exo.c
b/TD1/part_two/exo.c
index bb6f3a5e06356a96bb4f316851183edaa404fa6b..430e74c089d001f28eb25490c34b7dc2914b776a 100644
(file)
--- a/
TD1/part_two/exo.c
+++ b/
TD1/part_two/exo.c
@@
-25,7
+25,6
@@
int main() {
exit(EXIT_FAILURE);
};
exit(EXIT_FAILURE);
};
- const char* str_fmt = "[%d] Coucou papa !\n";
pid_t cpid = fork();
if (cpid == -1) {
pid_t cpid = fork();
if (cpid == -1) {
@@
-34,6
+33,7
@@
int main() {
} else if (cpid == 0) {
printf("Fils:\n");
show_proc_pids();
} else if (cpid == 0) {
printf("Fils:\n");
show_proc_pids();
+ const char* str_fmt = "[%d] Coucou papa !\n";
close(pipefd[0]);
write(pipefd[1], str_fmt, strlen(str_fmt));
close(pipefd[1]);
close(pipefd[0]);
write(pipefd[1], str_fmt, strlen(str_fmt));
close(pipefd[1]);
@@
-42,7
+42,7
@@
int main() {
printf("Parent:\n");
show_proc_pids();
close(pipefd[1]);
printf("Parent:\n");
show_proc_pids();
close(pipefd[1]);
- read(pipefd[0], &buf,
strlen(str_fmt
));
+ read(pipefd[0], &buf,
20*sizeof(buf
));
printf(&buf, getpid());
close(pipefd[0]);
wait(NULL);
printf(&buf, getpid());
close(pipefd[0]);
wait(NULL);