diff options
| author | Kostya Kortchinsky <kostyak@google.com> | 2017-12-13 20:41:35 +0000 |
|---|---|---|
| committer | Kostya Kortchinsky <kostyak@google.com> | 2017-12-13 20:41:35 +0000 |
| commit | 3e34832900e3b9c355d28dcf2aaa28ea7188f213 (patch) | |
| tree | 7cdfdb4c871bdee9874d39a139c5739db66e5d48 /compiler-rt/include | |
| parent | f1e19c7bb811a0febbbbb2f0c08b651d368492b8 (diff) | |
[scudo] Adding a public Scudo interface
Summary:
The first and only function to start with allows to set the soft or hard RSS
limit at runtime. Add associated tests.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: mgorny, #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D41128
Diffstat (limited to 'compiler-rt/include')
| -rw-r--r-- | compiler-rt/include/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | compiler-rt/include/sanitizer/scudo_interface.h | 34 |
2 files changed, 35 insertions, 0 deletions
diff --git a/compiler-rt/include/CMakeLists.txt b/compiler-rt/include/CMakeLists.txt index f964e16df66..f5cb09fd8cc 100644 --- a/compiler-rt/include/CMakeLists.txt +++ b/compiler-rt/include/CMakeLists.txt @@ -10,6 +10,7 @@ if (COMPILER_RT_BUILD_SANITIZERS) sanitizer/linux_syscall_hooks.h sanitizer/lsan_interface.h sanitizer/msan_interface.h + sanitizer/scudo_interface.h sanitizer/tsan_interface.h sanitizer/tsan_interface_atomic.h) endif(COMPILER_RT_BUILD_SANITIZERS) diff --git a/compiler-rt/include/sanitizer/scudo_interface.h b/compiler-rt/include/sanitizer/scudo_interface.h new file mode 100644 index 00000000000..cab7e0f5f34 --- /dev/null +++ b/compiler-rt/include/sanitizer/scudo_interface.h @@ -0,0 +1,34 @@ +//===-- sanitizer/scudo_interface.h -----------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +/// Public Scudo interface header. +// +//===----------------------------------------------------------------------===// +#ifndef SANITIZER_SCUDO_INTERFACE_H_ +#define SANITIZER_SCUDO_INTERFACE_H_ + +#include <sanitizer/common_interface_defs.h> + +#ifdef __cplusplus +extern "C" { +#endif + // This function may be optionally provided by a user and should return + // a string containing Scudo runtime options. See scudo_flags.h for details. + const char* __scudo_default_options(); + + // This function allows to set the RSS limit at runtime. This can be either + // the hard limit (HardLimit=1) or the soft limit (HardLimit=0). The limit + // can be removed by setting LimitMb to 0. This function's parameters should + // be fully trusted to avoid security mishaps. + void __scudo_set_rss_limit(unsigned long LimitMb, int HardLimit); +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // SANITIZER_SCUDO_INTERFACE_H_ |