[FS] Pipes

init/init.c

@@ -8,8 +8,27 @@ int main(int argc, char **argv)
   (void) argv;
 
 
-  FILE *fp = fopen("/dev/debug", "w");
-  fprintf(fp, "Hello, filesystem!\n");
+  int fd[2];
+  pipe(fd);
+
+  pid_t childpid = fork();
+
+  if(childpid)
+  {
+    printf("I am parent!\n");
+    close(fd[1]);
+    write(fd[0], "Hi, pipe!\n", 10);
+    close(fd[0]);
+  }
+  else
+  {
+    printf("I am child!\n");
+    close(fd[0]);
+    char buffer[255];
+    read(fd[1], buffer, 255);
+    printf("Received string: %s\n", buffer);
+    close(fd[1]);
+  }
 
 
   for(;;);