/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #pragma once /*** This file is part of systemd. Copyright 2014 David Herrmann <dh.herrmann@gmail.com> systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <errno.h> #include <stdbool.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "barrier.h" #include "macro.h" #include "sd-event.h" #include "util.h" typedef struct Pty Pty; enum { PTY_CHILD, PTY_HUP, PTY_DATA, }; typedef int (*pty_event_t) (Pty *pty, void *userdata, unsigned int event, const void *ptr, size_t size); int pty_new(Pty **out); Pty *pty_ref(Pty *pty); Pty *pty_unref(Pty *pty); #define _pty_unref_ _cleanup_(pty_unrefp) DEFINE_TRIVIAL_CLEANUP_FUNC(Pty*, pty_unref); Barrier *pty_get_barrier(Pty *pty); bool pty_is_unknown(Pty *pty); bool pty_is_parent(Pty *pty); bool pty_is_child(Pty *pty); bool pty_has_child(Pty *pty); pid_t pty_get_child(Pty *pty); bool pty_is_open(Pty *pty); int pty_get_fd(Pty *pty); int pty_make_child(Pty *pty); int pty_make_parent(Pty *pty, pid_t child); int pty_unlock(Pty *pty); int pty_setup_child(Pty *pty); void pty_close(Pty *pty); int pty_attach_event(Pty *pty, sd_event *event, pty_event_t event_fn, void *event_fn_userdata); void pty_detach_event(Pty *pty); int pty_write(Pty *pty, const void *buf, size_t size); int pty_signal(Pty *pty, int sig); int pty_resize(Pty *pty, unsigned short term_width, unsigned short term_height); pid_t pty_fork(Pty **out, sd_event *event, pty_event_t event_fn, void *event_fn_userdata, unsigned short initial_term_width, unsigned short initial_term_height);