2fa9044a4f
This uses the QEMUChrEvent enum everywhere except in IOEventHandler. The IOEventHandler change needs to happen at once for all front ends and is done with Coccinelle in the next patch. (Extracted from a patch by Philippe Mathieu-Daudé). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
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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 "chardev/char.h"
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#include "chardev/char-fe.h"
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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_set_focus(Chardev *chr, int focus);
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void mux_chr_send_all_event(Chardev *chr, QEMUChrEvent event);
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#endif /* CHAR_MUX_H */
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