vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_TTY_FLIP_H
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#define _LINUX_TTY_FLIP_H
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#include <linux/tty_buffer.h>
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#include <linux/tty_port.h>
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struct tty_ldisc;
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int tty_buffer_set_limit(struct tty_port *port, int limit);
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unsigned int tty_buffer_space_avail(struct tty_port *port);
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int tty_buffer_request_room(struct tty_port *port, size_t size);
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size_t __tty_insert_flip_string_flags(struct tty_port *port, const u8 *chars,
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const u8 *flags, bool mutable_flags,
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size_t size);
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size_t tty_prepare_flip_string(struct tty_port *port, u8 **chars, size_t size);
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void tty_flip_buffer_push(struct tty_port *port);
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/**
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* tty_insert_flip_string_fixed_flag - add characters to the tty buffer
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* @port: tty port
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* @chars: characters
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* @flag: flag value for each character
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* @size: size
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*
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* Queue a series of bytes to the tty buffering. All the characters passed are
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* marked with the supplied flag.
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*
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* Returns: the number added.
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*/
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static inline size_t tty_insert_flip_string_fixed_flag(struct tty_port *port,
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const u8 *chars, u8 flag,
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size_t size)
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{
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return __tty_insert_flip_string_flags(port, chars, &flag, false, size);
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}
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/**
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* tty_insert_flip_string_flags - add characters to the tty buffer
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* @port: tty port
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* @chars: characters
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* @flags: flag bytes
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* @size: size
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*
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* Queue a series of bytes to the tty buffering. For each character the flags
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* array indicates the status of the character.
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*
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* Returns: the number added.
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*/
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static inline size_t tty_insert_flip_string_flags(struct tty_port *port,
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const u8 *chars,
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const u8 *flags, size_t size)
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{
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return __tty_insert_flip_string_flags(port, chars, flags, true, size);
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}
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/**
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* tty_insert_flip_char - add one character to the tty buffer
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* @port: tty port
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* @ch: character
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* @flag: flag byte
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*
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* Queue a single byte @ch to the tty buffering, with an optional flag.
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*/
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static inline size_t tty_insert_flip_char(struct tty_port *port, u8 ch, u8 flag)
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{
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struct tty_buffer *tb = port->buf.tail;
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int change;
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change = !tb->flags && (flag != TTY_NORMAL);
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if (!change && tb->used < tb->size) {
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if (tb->flags)
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*flag_buf_ptr(tb, tb->used) = flag;
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*char_buf_ptr(tb, tb->used++) = ch;
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return 1;
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}
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return __tty_insert_flip_string_flags(port, &ch, &flag, false, 1);
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}
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static inline size_t tty_insert_flip_string(struct tty_port *port,
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const u8 *chars, size_t size)
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{
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return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
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}
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size_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const u8 *p, const u8 *f,
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size_t count);
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void tty_buffer_lock_exclusive(struct tty_port *port);
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void tty_buffer_unlock_exclusive(struct tty_port *port);
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#endif /* _LINUX_TTY_FLIP_H */
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