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[LibFuzzer] Fix implementation of `GetPeakRSSMb()` on Mac OSX.

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On Linux ``rusage.ru_maxrss`` is in KiB but on Mac OSX it is in bytes.

Differential Revision: http://reviews.llvm.org/D20410

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Liew 2016-05-20 01:37:54 +00:00
parent adef8786dd
commit 036e9cc7c7
1 changed files with 9 additions and 1 deletions
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10
lib/Fuzzer/FuzzerUtil.cpp
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@ -288,7 +288,15 @@ size_t GetPeakRSSMb() {
struct rusage usage;
if (getrusage(RUSAGE_SELF, &usage))
return 0;
return usage.ru_maxrss >> 10;
if (LIBFUZZER_LINUX) {
// ru_maxrss is in KiB
return usage.ru_maxrss >> 10;
} else if (LIBFUZZER_APPLE) {
// ru_maxrss is in bytes
return usage.ru_maxrss >> 20;
}
assert(0 && "GetPeakRSSMb() is not implemented for your platform");
return 0;
}
} // namespace fuzzer