comm 521 src/background.c int comm[2]; // control connection stream comm 525 src/background.c if (pipe (comm) == -1) comm 530 src/background.c (void) close (comm[0]); comm 531 src/background.c (void) close (comm[1]); comm 541 src/background.c (void) close (comm[0]); comm 542 src/background.c (void) close (comm[1]); comm 554 src/background.c (void) close (comm[0]); comm 555 src/background.c parent_fd = comm[1]; comm 584 src/background.c (void) close (comm[1]); comm 587 src/background.c register_task_running (ctx, pid, comm[0], back_comm[1], info);