68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-11-13 Shell init ver.
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*/
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#ifndef __LWP_TTY_INTERNAL_H__
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#define __LWP_TTY_INTERNAL_H__
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#include "lwp.h"
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#include "terminal.h"
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extern struct cdevsw bsd_ttydev_methods;
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extern struct bsd_fileops bsd_ptsdev_methods;
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/* bsd devsw porting */
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void bsd_devsw_init(struct lwp_ttydevsw *tsw);
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/**
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* Do not assert RTS or DTR automatically. If CNO_RTSDTR is set then the RTS and
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* DTR lines will not be asserted when the device is opened. As a result, this
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* flag is only useful on initial-state devices.
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*
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* Note: this feature is not using on smart system, so this flag is always 0.
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*/
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#define CNO_RTSDTR 0
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/* Waking up readers/writers. */
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int tty_wait(struct lwp_tty *tp, struct rt_condvar *cv);
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int tty_wait_background(struct lwp_tty *tp, struct rt_thread *td, int sig);
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int tty_timedwait(struct lwp_tty *tp, struct rt_condvar *cv, rt_tick_t timeout);
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void tty_wakeup(struct lwp_tty *tp, int flags);
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void tty_info(struct lwp_tty *tp);
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void pts_set_lock(lwp_tty_t pts, rt_bool_t is_lock);
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rt_bool_t pts_is_locked(lwp_tty_t pts);
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int pts_get_pktmode(lwp_tty_t pts);
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int pts_alloc(int fflags, struct rt_thread *td, struct dfs_file *ptm_file);
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int lwp_tty_ioctl_adapter(lwp_tty_t tp, int cmd, int oflags, void *args, rt_thread_t td);
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int lwp_tty_set_ctrl_proc(lwp_tty_t tp, rt_thread_t td);
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int lwp_tty_assign_foreground(lwp_tty_t tp, rt_thread_t td, int pgid);
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int lwp_tty_bg_stop(struct lwp_tty *tp, struct rt_condvar *cv);
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rt_inline rt_bool_t is_sess_leader(rt_lwp_t p)
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{
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/**
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* Note: a pgrp leader is never lose its group, so once it's
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* true then it's always true
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*/
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return p->pid == p->sid;
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}
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rt_inline int tty_is_ctty(struct lwp_tty *tp, struct rt_lwp *p)
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{
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tty_assert_locked(tp);
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return p->pgrp->session == tp->t_session && p->term_ctrlterm;
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}
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#endif /* __LWP_TTY_INTERNAL_H__ */
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