mirror of
https://github.com/LadybirdBrowser/ladybird.git
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7cf0c7cc0d
The following script was used to make these changes:
#!/bin/bash
set -e
tmp=$(mktemp -d)
echo "tmp=$tmp"
find Kernel \( -name '*.cpp' -o -name '*.h' \) | sort > $tmp/Kernel.files
find . \( -path ./Toolchain -prune -o -path ./Build -prune -o -path ./Kernel -prune \) -o \( -name '*.cpp' -o -name '*.h' \) -print | sort > $tmp/EverythingExceptKernel.files
cat $tmp/Kernel.files | xargs grep -Eho '[A-Z0-9_]+_DEBUG' | sort | uniq > $tmp/Kernel.macros
cat $tmp/EverythingExceptKernel.files | xargs grep -Eho '[A-Z0-9_]+_DEBUG' | sort | uniq > $tmp/EverythingExceptKernel.macros
comm -23 $tmp/Kernel.macros $tmp/EverythingExceptKernel.macros > $tmp/Kernel.unique
comm -1 $tmp/Kernel.macros $tmp/EverythingExceptKernel.macros > $tmp/EverythingExceptKernel.unique
cat $tmp/Kernel.unique | awk '{ print "#cmakedefine01 "$1 }' > $tmp/Kernel.header
cat $tmp/EverythingExceptKernel.unique | awk '{ print "#cmakedefine01 "$1 }' > $tmp/EverythingExceptKernel.header
for macro in $(cat $tmp/Kernel.unique)
do
cat $tmp/Kernel.files | xargs grep -l $macro >> $tmp/Kernel.new-includes ||:
done
cat $tmp/Kernel.new-includes | sort > $tmp/Kernel.new-includes.sorted
for macro in $(cat $tmp/EverythingExceptKernel.unique)
do
cat $tmp/Kernel.files | xargs grep -l $macro >> $tmp/Kernel.old-includes ||:
done
cat $tmp/Kernel.old-includes | sort > $tmp/Kernel.old-includes.sorted
comm -23 $tmp/Kernel.new-includes.sorted $tmp/Kernel.old-includes.sorted > $tmp/Kernel.includes.new
comm -13 $tmp/Kernel.new-includes.sorted $tmp/Kernel.old-includes.sorted > $tmp/Kernel.includes.old
comm -12 $tmp/Kernel.new-includes.sorted $tmp/Kernel.old-includes.sorted > $tmp/Kernel.includes.mixed
for file in $(cat $tmp/Kernel.includes.new)
do
sed -i -E 's/#include <AK\/Debug\.h>/#include <Kernel\/Debug\.h>/' $file
done
for file in $(cat $tmp/Kernel.includes.mixed)
do
echo "mixed include in $file, requires manual editing."
done
80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "PTYMultiplexer.h"
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#include "MasterPTY.h"
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#include <AK/Singleton.h>
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#include <Kernel/Debug.h>
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#include <Kernel/FileSystem/FileDescription.h>
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#include <Kernel/Process.h>
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#include <LibC/errno_numbers.h>
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namespace Kernel {
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static const unsigned s_max_pty_pairs = 8;
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static AK::Singleton<PTYMultiplexer> s_the;
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PTYMultiplexer& PTYMultiplexer::the()
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{
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return *s_the;
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}
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PTYMultiplexer::PTYMultiplexer()
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: CharacterDevice(5, 2)
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{
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m_freelist.ensure_capacity(s_max_pty_pairs);
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for (int i = s_max_pty_pairs; i > 0; --i)
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m_freelist.unchecked_append(i - 1);
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}
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PTYMultiplexer::~PTYMultiplexer()
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{
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}
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KResultOr<NonnullRefPtr<FileDescription>> PTYMultiplexer::open(int options)
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{
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LOCKER(m_lock);
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if (m_freelist.is_empty())
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return EBUSY;
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auto master_index = m_freelist.take_last();
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auto master = adopt(*new MasterPTY(master_index));
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dbgln<PTMX_DEBUG>("PTYMultiplexer::open: Vending master {}", master->index());
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auto description = FileDescription::create(move(master));
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if (!description.is_error()) {
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description.value()->set_rw_mode(options);
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description.value()->set_file_flags(options);
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}
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return description;
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}
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void PTYMultiplexer::notify_master_destroyed(Badge<MasterPTY>, unsigned index)
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{
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LOCKER(m_lock);
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m_freelist.append(index);
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dbgln<PTMX_DEBUG>("PTYMultiplexer: {} added to freelist", index);
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}
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}
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