Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/js/public/Interrupt.h b/js/public/Interrupt.h
new file mode 100644
index 0000000000..3e7ead7b28
--- /dev/null
+++ b/js/public/Interrupt.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef js_Interrupt_h
+#define js_Interrupt_h
+
+#include "jstypes.h"
+
+struct JS_PUBLIC_API JSContext;
+
+using JSInterruptCallback = bool (*)(JSContext*);
+
+extern JS_PUBLIC_API bool JS_CheckForInterrupt(JSContext* cx);
+
+/*
+ * These functions allow setting an interrupt callback that will be called
+ * from the JS thread some time after any thread triggered the callback using
+ * JS_RequestInterruptCallback(cx).
+ *
+ * To schedule the GC and for other activities the engine internally triggers
+ * interrupt callbacks. The embedding should thus not rely on callbacks being
+ * triggered through the external API only.
+ *
+ * Important note: Additional callbacks can occur inside the callback handler
+ * if it re-enters the JS engine. The embedding must ensure that the callback
+ * is disconnected before attempting such re-entry.
+ */
+extern JS_PUBLIC_API bool JS_AddInterruptCallback(JSContext* cx,
+                                                  JSInterruptCallback callback);
+
+extern JS_PUBLIC_API bool JS_DisableInterruptCallback(JSContext* cx);
+
+extern JS_PUBLIC_API void JS_ResetInterruptCallback(JSContext* cx, bool enable);
+
+extern JS_PUBLIC_API void JS_RequestInterruptCallback(JSContext* cx);
+
+extern JS_PUBLIC_API void JS_RequestInterruptCallbackCanWait(JSContext* cx);
+
+#endif  // js_Interrupt_h