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author | Andreas Kling <kling@serenityos.org> | 2020-02-28 20:20:35 +0100 |
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committer | Andreas Kling <kling@serenityos.org> | 2020-02-28 20:20:35 +0100 |
commit | 651417a08598a8899e14a7975574315d10eb385b (patch) | |
tree | c15329688cd4e47f2801cfb1a598e70ade3ecc5c /Kernel/VM/PrivateInodeVMObject.cpp | |
parent | 07a26aece3f0c6987091c181a6436dbc3fa3fdf2 (diff) | |
download | serenity-651417a08598a8899e14a7975574315d10eb385b.zip |
Kernel: Split InodeVMObject into two subclasses
We now have PrivateInodeVMObject and SharedInodeVMObject, corresponding
to MAP_PRIVATE and MAP_SHARED respectively.
Note that PrivateInodeVMObject is not used yet.
Diffstat (limited to 'Kernel/VM/PrivateInodeVMObject.cpp')
-rw-r--r-- | Kernel/VM/PrivateInodeVMObject.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Kernel/VM/PrivateInodeVMObject.cpp b/Kernel/VM/PrivateInodeVMObject.cpp new file mode 100644 index 0000000000..66ca77a723 --- /dev/null +++ b/Kernel/VM/PrivateInodeVMObject.cpp @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2020, Andreas Kling <kling@serenityos.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <Kernel/FileSystem/Inode.h> +#include <Kernel/VM/PrivateInodeVMObject.h> + +namespace Kernel { + +NonnullRefPtr<PrivateInodeVMObject> PrivateInodeVMObject::create_with_inode(Inode& inode) +{ + return adopt(*new PrivateInodeVMObject(inode, inode.size())); +} + +NonnullRefPtr<VMObject> PrivateInodeVMObject::clone() +{ + return adopt(*new PrivateInodeVMObject(*this)); +} + +PrivateInodeVMObject::PrivateInodeVMObject(Inode& inode, size_t size) + : InodeVMObject(inode, size) +{ +} + +PrivateInodeVMObject::PrivateInodeVMObject(const PrivateInodeVMObject& other) + : InodeVMObject(other) +{ +} + +PrivateInodeVMObject::~PrivateInodeVMObject() +{ +} + +} |