diff options
Diffstat (limited to 'src/randomenv.cpp')
-rw-r--r-- | src/randomenv.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/randomenv.cpp b/src/randomenv.cpp index 073d82b491..07122b7f6d 100644 --- a/src/randomenv.cpp +++ b/src/randomenv.cpp @@ -67,7 +67,8 @@ void RandAddSeedPerfmon(CSHA512& hasher) #ifdef WIN32 // Seed with the entire set of perfmon data - // This can take up to 2 seconds, so only do it every 10 minutes + // This can take up to 2 seconds, so only do it every 10 minutes. + // Initialize last_perfmon to 0 seconds, we don't skip the first call. static std::atomic<std::chrono::seconds> last_perfmon{std::chrono::seconds{0}}; auto last_time = last_perfmon.load(); auto current_time = GetTime<std::chrono::seconds>(); @@ -83,7 +84,7 @@ void RandAddSeedPerfmon(CSHA512& hasher) ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", nullptr, nullptr, vData.data(), &nSize); if (ret != ERROR_MORE_DATA || vData.size() >= nMaxSize) break; - vData.resize(std::max((vData.size() * 3) / 2, nMaxSize)); // Grow size of buffer exponentially + vData.resize(std::min((vData.size() * 3) / 2, nMaxSize)); // Grow size of buffer exponentially } RegCloseKey(HKEY_PERFORMANCE_DATA); if (ret == ERROR_SUCCESS) { |