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ladybird/Libraries/LibWebView/ProcessManager.h

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Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
2024-03-26 00:29:14 +00:00
/*
* Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
Ladybird+LibWebView: Add mechanism to get Mach task port for helpers On macOS, it's not trivial to get a Mach task port for your children. This implementation registers the chrome process as a well-known service with launchd based on its pid, and lets each child process send over a reference to its mach_task_self() back to the chrome. We'll need this Mach task port right to get process statistics.
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#pragma once
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
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#include <AK/Types.h>
#include <AK/Vector.h>
#include <LibCore/EventReceiver.h>
LibCore+LibWebView: Move process statistics to LibCore This will be needed to collect statistics from processes that do not have anything to do with LibWebView. The ProcessInfo structure must be virtual to allow callers to add application-specific information.
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#include <LibCore/Platform/ProcessStatistics.h>
Ladybird+LibWebView: Add mechanism to get Mach task port for helpers On macOS, it's not trivial to get a Mach task port for your children. This implementation registers the chrome process as a well-known service with launchd based on its pid, and lets each child process send over a reference to its mach_task_self() back to the chrome. We'll need this Mach task port right to get process statistics.
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#include <LibThreading/Mutex.h>
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
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#include <LibWebView/Forward.h>
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
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#include <LibWebView/Process.h>
#include <LibWebView/ProcessType.h>
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
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namespace WebView {
ProcessType process_type_from_name(StringView);
StringView process_name_from_type(ProcessType type);
class ProcessManager {
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
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AK_MAKE_NONCOPYABLE(ProcessManager);
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
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public:
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
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ProcessManager();
~ProcessManager();
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
2024-03-26 00:29:14 +00:00
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
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void add_process(Process&&);
Optional<Process> remove_process(pid_t);
Optional<Process&> find_process(pid_t);
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
2024-03-26 00:29:14 +00:00
Ladybird+LibWebView: Add mechanism to get Mach task port for helpers On macOS, it's not trivial to get a Mach task port for your children. This implementation registers the chrome process as a well-known service with launchd based on its pid, and lets each child process send over a reference to its mach_task_self() back to the chrome. We'll need this Mach task port right to get process statistics.
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#if defined(AK_OS_MACH)
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
2024-06-30 04:24:01 +00:00
void set_process_mach_port(pid_t, Core::MachPort&&);
Ladybird+LibWebView: Add mechanism to get Mach task port for helpers On macOS, it's not trivial to get a Mach task port for your children. This implementation registers the chrome process as a well-known service with launchd based on its pid, and lets each child process send over a reference to its mach_task_self() back to the chrome. We'll need this Mach task port right to get process statistics.
2024-04-04 20:10:08 +00:00
#endif
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
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void update_all_process_statistics();
Ladybird: Add a simple TaskManager window for tracking child processes This implementation uses a really basic WebView to update stats once a second. In the future it might make more sense to both move the details into LibWebView, and to create a native widget for each platform to remove the overhead of having an extra WebView.
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String generate_html();
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
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Function<void(Process&&)> on_process_exited;
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
2024-03-26 00:29:14 +00:00
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
2024-06-30 04:24:01 +00:00
private:
LibCore+LibWebView: Move process statistics to LibCore This will be needed to collect statistics from processes that do not have anything to do with LibWebView. The ProcessInfo structure must be virtual to allow callers to add application-specific information.
2024-04-21 03:35:17 +00:00
Core::Platform::ProcessStatistics m_statistics;
LibWebView+LibCore: Manage process lifecycle using a SIGCHLD handler This large commit also refactors LibWebView's process handling to use a top-level Application class that uses a new WebView::Process class to encapsulate the IPC-centric nature of each helper process.
2024-06-30 04:24:01 +00:00
HashMap<pid_t, Process> m_processes;
int m_signal_handle { -1 };
Ladybird+LibWebView: Add mechanism to get Mach task port for helpers On macOS, it's not trivial to get a Mach task port for your children. This implementation registers the chrome process as a well-known service with launchd based on its pid, and lets each child process send over a reference to its mach_task_self() back to the chrome. We'll need this Mach task port right to get process statistics.
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Threading::Mutex m_lock;
Ladybird+LibWebView: Add ProcessManager to track live processes This model will be used to add a Processes tab to the inspector.
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};
}
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