From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/public/HelperThreadAPI.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 js/public/HelperThreadAPI.h (limited to 'js/public/HelperThreadAPI.h') diff --git a/js/public/HelperThreadAPI.h b/js/public/HelperThreadAPI.h new file mode 100644 index 0000000000..c877fbb49b --- /dev/null +++ b/js/public/HelperThreadAPI.h @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * API for supplying an external thread pool to run internal work off the main + * thread. + */ + +#ifndef js_HelperThreadAPI_h +#define js_HelperThreadAPI_h + +#include // size_t + +#include "jstypes.h" // JS_PUBLIC_API + +namespace JS { + +// Argument passed to the task callback to indicate whether we're invoking it +// because a new task was added by the JS engine or because we're on a helper +// thread that just finished a task and there are other tasks pending. +enum class DispatchReason { NewTask, FinishedTask }; + +/** + * Set callback to dispatch a tasks to an external thread pool. + * + * When the task runs it should call JS::RunHelperThreadTask. + */ +using HelperThreadTaskCallback = void (*)(DispatchReason reason); +extern JS_PUBLIC_API void SetHelperThreadTaskCallback( + HelperThreadTaskCallback callback, size_t threadCount, size_t stackSize); + +// Function to call from external thread pool to run a helper thread task. +extern JS_PUBLIC_API void RunHelperThreadTask(); + +} // namespace JS + +#endif // js_HelperThreadAPI_h -- cgit v1.2.3