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authorAndreas Kling <kling@serenityos.org>2020-02-28 20:20:35 +0100
committerAndreas Kling <kling@serenityos.org>2020-02-28 20:20:35 +0100
commit651417a08598a8899e14a7975574315d10eb385b (patch)
treec15329688cd4e47f2801cfb1a598e70ade3ecc5c /Kernel/VM/PrivateInodeVMObject.cpp
parent07a26aece3f0c6987091c181a6436dbc3fa3fdf2 (diff)
downloadserenity-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.cpp56
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()
+{
+}
+
+}