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54 lines
2.4 KiB
54 lines
2.4 KiB
4 months ago
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//===-- flags.inc -----------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef SCUDO_FLAG
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#error "Define SCUDO_FLAG prior to including this file!"
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#endif
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SCUDO_FLAG(int, quarantine_size_kb, 0,
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"Size (in kilobytes) of quarantine used to delay the actual "
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"deallocation of chunks. Lower value may reduce memory usage but "
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"decrease the effectiveness of the mitigation.")
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SCUDO_FLAG(int, thread_local_quarantine_size_kb, 0,
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"Size (in kilobytes) of per-thread cache used to offload the global "
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"quarantine. Lower value may reduce memory usage but might increase "
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"the contention on the global quarantine.")
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SCUDO_FLAG(int, quarantine_max_chunk_size, 0,
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"Size (in bytes) up to which chunks will be quarantined (if lower "
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"than or equal to).")
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SCUDO_FLAG(bool, dealloc_type_mismatch, false,
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"Terminate on a type mismatch in allocation-deallocation functions, "
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"eg: malloc/delete, new/free, new/delete[], etc.")
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SCUDO_FLAG(bool, delete_size_mismatch, true,
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"Terminate on a size mismatch between a sized-delete and the actual "
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"size of a chunk (as provided to new/new[]).")
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SCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.")
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SCUDO_FLAG(bool, pattern_fill_contents, false,
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"Pattern fill chunk contents on allocation.")
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SCUDO_FLAG(int, rss_limit_mb, -1,
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"Enforce an upper limit (in megabytes) to the process RSS. The "
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"allocator will terminate or return NULL when allocations are "
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"attempted past that limit (depending on may_return_null). Negative "
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"values disable the feature.")
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SCUDO_FLAG(bool, may_return_null, true,
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"Indicate whether the allocator should terminate instead of "
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"returning NULL in otherwise non-fatal error scenarios, eg: OOM, "
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"invalid allocation alignments, etc.")
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SCUDO_FLAG(int, release_to_os_interval_ms, SCUDO_ANDROID ? INT32_MIN : 5000,
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"Interval (in milliseconds) at which to attempt release of unused "
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"memory to the OS. Negative values disable the feature.")
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