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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /memory/mozalloc/mozalloc_oom.h
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'memory/mozalloc/mozalloc_oom.h')
-rw-r--r--memory/mozalloc/mozalloc_oom.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/memory/mozalloc/mozalloc_oom.h b/memory/mozalloc/mozalloc_oom.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=4 et :
+ */
+/* 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 mozilla_mozalloc_oom_h
+#define mozilla_mozalloc_oom_h
+
+#include "mozalloc.h"
+
+/**
+ * Called when memory is critically low. Returns iff it was able to
+ * remedy the critical memory situation; if not, it will abort().
+ */
+#ifdef __wasm__
+__attribute__((import_module("env")))
+__attribute__((import_name("mozalloc_handle_oom")))
+#endif
+MFBT_API void
+mozalloc_handle_oom(size_t requestedSize);
+
+extern MFBT_DATA size_t gOOMAllocationSize;
+
+/* TODO: functions to query system memory usage and register
+ * critical-memory handlers. */
+
+#endif /* ifndef mozilla_mozalloc_oom_h */