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LibWebView+UI: Raise the chrome process open file limit

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The default limit (at least on Linux) causes us to run out of file
descriptors at around 15 tabs. Increase this limit to 8k. This is a
rather arbitrary number, but matches the limit set by Chrome.
This commit is contained in:
Timothy Flynn 2024-07-22 10:17:44 -04:00 committed by Andreas Kling
parent 4451b4fda0
commit d58a8b5146
Notes: github-actions[bot] 2024-07-23 07:40:33 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/d58a8b51464
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/764
4 changed files with 15 additions and 4 deletions
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2
Ladybird/AppKit/main.mm
View file

@ -103,7 +103,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
args_parser.add_option(allow_popups, "Disable popup blocking by default", "allow-popups");
args_parser.parse(arguments);
WebView::ChromeProcess chrome_process;
auto chrome_process = TRY(WebView::ChromeProcess::create());
if (!force_new_process && TRY(chrome_process.connect(raw_urls, new_window)) == WebView::ChromeProcess::ProcessDisposition::ExitProcess) {
outln("Opening in existing process");
return 0;

2
Ladybird/Qt/main.cpp
View file

@ -119,7 +119,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
args_parser.add_option(allow_popups, "Disable popup blocking by default", "allow-popups");
args_parser.parse(arguments);
WebView::ChromeProcess chrome_process;
auto chrome_process = TRY(WebView::ChromeProcess::create());
if (!force_new_process && TRY(chrome_process.connect(raw_urls, new_window)) == WebView::ChromeProcess::ProcessDisposition::ExitProcess) {
outln("Opening in existing process");
return 0;

9
Userland/Libraries/LibWebView/ChromeProcess.cpp
View file

@ -7,6 +7,7 @@
#include <AK/ByteString.h>
#include <LibCore/Process.h>
#include <LibCore/StandardPaths.h>
#include <LibCore/System.h>
#include <LibIPC/ConnectionToServer.h>
#include <LibWebView/ChromeProcess.h>
@ -22,6 +23,14 @@ private:
UIProcessClient(NonnullOwnPtr<Core::LocalSocket>);
};
ErrorOr<ChromeProcess> ChromeProcess::create()
{
// Increase the open file limit, as the default limits on Linux cause us to run out of file descriptors with around 15 tabs open.
TRY(Core::System::set_resource_limits(RLIMIT_NOFILE, 8192));
return ChromeProcess {};
}
ErrorOr<ChromeProcess::ProcessDisposition> ChromeProcess::connect(Vector<ByteString> const& raw_urls, bool new_window)
{
static constexpr auto process_name = "Ladybird"sv;

6
Userland/Libraries/LibWebView/ChromeProcess.h
View file

@ -40,7 +40,7 @@ private:
class ChromeProcess {
AK_MAKE_NONCOPYABLE(ChromeProcess);
AK_MAKE_NONMOVABLE(ChromeProcess);
AK_MAKE_DEFAULT_MOVABLE(ChromeProcess);
public:
enum class ProcessDisposition : u8 {
@ -48,7 +48,7 @@ public:
ExitProcess,
};
ChromeProcess() = default;
static ErrorOr<ChromeProcess> create();
~ChromeProcess();
ErrorOr<ProcessDisposition> connect(Vector<ByteString> const& raw_urls, bool new_window);
@ -57,6 +57,8 @@ public:
Function<void(Vector<ByteString> const& raw_urls)> on_new_window;
private:
ChromeProcess() = default;
ErrorOr<void> connect_as_client(ByteString const& socket_path, Vector<ByteString> const& raw_urls, bool new_window);
ErrorOr<void> connect_as_server(ByteString const& socket_path);