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https://github.com/xenia-project/xenia.git
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3c96b6fa0a
This changes almost all locks held by guest threads to use a single global critical region. This emulates the behavior on the PPC of disabling interrupts (by calls like KeRaiseIrqlToDpcLevel or masking interrupts), and prevents deadlocks from occuring when threads are suspended or otherwise blocked. This has performance implications and a pass is needed to ensure the locking is as granular as possible. It could also break everything because it's fundamentally unsound. We'll see.
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/vfs/device.h"
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#include "xenia/base/logging.h"
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namespace xe {
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namespace vfs {
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Device::Device(const std::string& mount_path) : mount_path_(mount_path) {}
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Device::~Device() = default;
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void Device::Dump(StringBuffer* string_buffer) {
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auto global_lock = global_critical_region_.Acquire();
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root_entry_->Dump(string_buffer, 0);
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}
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Entry* Device::ResolvePath(std::string path) {
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// The filesystem will have stripped our prefix off already, so the path will
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// be in the form:
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// some\PATH.foo
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XELOGFS("Device::ResolvePath(%s)", path.c_str());
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// Walk the path, one separator at a time.
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auto entry = root_entry_.get();
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auto path_parts = xe::split_path(path);
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for (auto& part : path_parts) {
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entry = entry->GetChild(part);
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if (!entry) {
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// Not found.
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return nullptr;
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}
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}
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return entry;
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}
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} // namespace vfs
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} // namespace xe
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