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author | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 20:51:06 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 20:51:06 +0000 |
commit | 8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab (patch) | |
tree | 05a2b6ec297fe6283d9557c791445d1daf88dcd0 /lib/scudo/standalone/flags.inc | |
parent | 63714eb5809e39666dec2454c354195e76f916ba (diff) | |
download | src-8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab.tar.gz src-8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab.zip |
Notes
Diffstat (limited to 'lib/scudo/standalone/flags.inc')
-rw-r--r-- | lib/scudo/standalone/flags.inc | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/scudo/standalone/flags.inc b/lib/scudo/standalone/flags.inc new file mode 100644 index 000000000000..25b86e14fa94 --- /dev/null +++ b/lib/scudo/standalone/flags.inc @@ -0,0 +1,50 @@ +//===-- flags.inc -----------------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef SCUDO_FLAG +#error "Define SCUDO_FLAG prior to including this file!" +#endif + +SCUDO_FLAG(int, quarantine_size_kb, 0, + "Size (in kilobytes) of quarantine used to delay the actual " + "deallocation of chunks. Lower value may reduce memory usage but " + "decrease the effectiveness of the mitigation.") + +SCUDO_FLAG(int, thread_local_quarantine_size_kb, 0, + "Size (in kilobytes) of per-thread cache used to offload the global " + "quarantine. Lower value may reduce memory usage but might increase " + "the contention on the global quarantine.") + +SCUDO_FLAG(int, quarantine_max_chunk_size, 0, + "Size (in bytes) up to which chunks will be quarantined (if lower " + "than or equal to).") + +SCUDO_FLAG(bool, dealloc_type_mismatch, false, + "Terminate on a type mismatch in allocation-deallocation functions, " + "eg: malloc/delete, new/free, new/delete[], etc.") + +SCUDO_FLAG(bool, delete_size_mismatch, true, + "Terminate on a size mismatch between a sized-delete and the actual " + "size of a chunk (as provided to new/new[]).") + +SCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.") + +SCUDO_FLAG(int, rss_limit_mb, -1, + "Enforce an upper limit (in megabytes) to the process RSS. The " + "allocator will terminate or return NULL when allocations are " + "attempted past that limit (depending on may_return_null). Negative " + "values disable the feature.") + +SCUDO_FLAG(bool, may_return_null, true, + "Indicate whether the allocator should terminate instead of " + "returning NULL in otherwise non-fatal error scenarios, eg: OOM, " + "invalid allocation alignments, etc.") + +SCUDO_FLAG(int, release_to_os_interval_ms, 5000, + "Interval (in milliseconds) at which to attempt release of unused " + "memory to the OS. Negative values disable the feature.") |