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ladybird/Userland/Applications/SystemMonitor/ThreadStackWidget.h

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
Applications: Use default constructors/destructors https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
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* Copyright (c) 2022, the SerenityOS developers.
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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*/
ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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#pragma once
SystemMonitor: Use a TableView to display the thread stack Using a table display this information in a much more organised and flexible way than than what can be achieved with a TextEditor.
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#include <LibGUI/TableView.h>
LibGUI: Remove leading G from filenames
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#include <LibGUI/Widget.h>
ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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SystemMonitor: ProcessStack is now ThreadStack This is a follow-up to #3095. In particular: https://github.com/SerenityOS/serenity/pull/3095#discussion_r469113354
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class ThreadStackWidget final : public GUI::Widget {
C_OBJECT(ThreadStackWidget)
ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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public:
Applications: Use default constructors/destructors https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
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virtual ~ThreadStackWidget() override = default;
ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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SystemMonitor: Display the stack of only the selected thread This uses the new ProcFS interface at /proc/<pid>/stacks/<tid>
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void set_ids(pid_t pid, pid_t tid);
ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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void refresh();
private:
SystemMonitor: ProcessStack is now ThreadStack This is a follow-up to #3095. In particular: https://github.com/SerenityOS/serenity/pull/3095#discussion_r469113354
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ThreadStackWidget();
LibGUI: Remove parent parameter to GUI::Widget constructor
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SystemMonitor: Don't generate backtraces while not looking at them
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virtual void show_event(GUI::ShowEvent&) override;
virtual void hide_event(GUI::HideEvent&) override;
SystemMonitor: Symbolicate process stacks in a background thread Use a Threading::BackgroundAction to symbolicate stacks. This avoids blocking the main thread and keeps the GUI running (mostly.)
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virtual void custom_event(Core::CustomEvent&) override;
SystemMonitor: Don't generate backtraces while not looking at them
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ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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pid_t m_pid { -1 };
SystemMonitor: Display the stack of only the selected thread This uses the new ProcFS interface at /proc/<pid>/stacks/<tid>
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pid_t m_tid { -1 };
SystemMonitor: Use a TableView to display the thread stack Using a table display this information in a much more organised and flexible way than than what can be achieved with a TextEditor.
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RefPtr<GUI::TableView> m_stack_table;
LibCore: Put all classes in the Core namespace and remove the leading C I've been wanting to do this for a long time. It's time we start being consistent about how this stuff works. The new convention is: - "LibFoo" is a userspace library that provides the "Foo" namespace. That's it :^) This was pretty tedious to convert and I didn't even start on LibGUI yet. But it's coming up next.
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RefPtr<Core::Timer> m_timer;
ProcessManager: Add a process-specific tab view below the process table. To start out, add a "Stacks" view where we see what the selected process is currently doing (via /proc/PID/stack) :^)
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};
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