back_comm 522 src/background.c int back_comm[2]; // back connection back_comm 528 src/background.c if (pipe (back_comm) == -1) back_comm 543 src/background.c (void) close (back_comm[0]); back_comm 544 src/background.c (void) close (back_comm[1]); back_comm 557 src/background.c (void) close (back_comm[1]); back_comm 558 src/background.c from_parent_fd = back_comm[0]; back_comm 585 src/background.c (void) close (back_comm[0]); back_comm 587 src/background.c register_task_running (ctx, pid, comm[0], back_comm[1], info);