diff options
Diffstat (limited to 'memory/mozalloc/mozalloc_oom.h')
| -rw-r--r-- | memory/mozalloc/mozalloc_oom.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/memory/mozalloc/mozalloc_oom.h b/memory/mozalloc/mozalloc_oom.h new file mode 100644 index 0000000000..87a9c6d7ac --- /dev/null +++ b/memory/mozalloc/mozalloc_oom.h @@ -0,0 +1,32 @@ +/* -*- 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"))) +# if defined(__clang__) && (__clang_major__ < 11) +__attribute__((weak)) +# endif +#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 */ |