[libFuzzer] experimental performance optimization -lazy_counters, off by default. Posix-only for now, tested on Linux
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@352700 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/FuzzerUtil.h b/FuzzerUtil.h
index 85c5571..0a12791 100644
--- a/FuzzerUtil.h
+++ b/FuzzerUtil.h
@@ -52,6 +52,8 @@
void SleepSeconds(int Seconds);
+bool Mprotect(void *Ptr, size_t Size, bool AllowReadWrite);
+
unsigned long GetPid();
size_t GetPeakRSSMb();