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64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef CHAR_MUX_H
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#define CHAR_MUX_H
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#include "sysemu/char.h"
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extern bool muxes_realized;
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#define MAX_MUX 4
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#define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
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#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
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typedef struct MuxChardev {
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Chardev parent;
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CharBackend *backends[MAX_MUX];
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CharBackend chr;
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int focus;
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int mux_cnt;
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int term_got_escape;
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int max_size;
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/* Intermediate input buffer catches escape sequences even if the
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currently active device is not accepting any input - but only until it
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is full as well. */
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unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE];
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int prod[MAX_MUX];
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int cons[MAX_MUX];
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int timestamps;
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/* Protected by the Chardev chr_write_lock. */
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int linestart;
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int64_t timestamps_start;
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} MuxChardev;
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#define MUX_CHARDEV(obj) OBJECT_CHECK(MuxChardev, (obj), TYPE_CHARDEV_MUX)
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#define CHARDEV_IS_MUX(chr) \
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object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_MUX)
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void mux_chr_set_handlers(Chardev *chr, GMainContext *context);
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void mux_set_focus(Chardev *chr, int focus);
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void mux_chr_send_event(MuxChardev *d, int mux_nr, int event);
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#endif /* CHAR_MUX_H */
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