diff options
Diffstat (limited to 'src/randomenv.cpp')
| -rw-r--r-- | src/randomenv.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/randomenv.cpp b/src/randomenv.cpp index 073d82b491..9248db1539 100644 --- a/src/randomenv.cpp +++ b/src/randomenv.cpp @@ -53,7 +53,7 @@ #include <sys/vmmeter.h> #endif #endif -#ifdef __linux__ +#if defined(HAVE_STRONG_GETAUXVAL) || defined(HAVE_WEAK_GETAUXVAL) #include <sys/auxv.h> #endif @@ -67,8 +67,9 @@ 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 - static std::atomic<std::chrono::seconds> last_perfmon{std::chrono::seconds{0}}; + // 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{0s}; auto last_time = last_perfmon.load(); auto current_time = GetTime<std::chrono::seconds>(); if (current_time < last_time + std::chrono::minutes{10}) return; @@ -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) { @@ -325,7 +326,7 @@ void RandAddStaticEnv(CSHA512& hasher) // Bitcoin client version hasher << CLIENT_VERSION; -#ifdef __linux__ +#if defined(HAVE_STRONG_GETAUXVAL) || defined(HAVE_WEAK_GETAUXVAL) // Information available through getauxval() # ifdef AT_HWCAP hasher << getauxval(AT_HWCAP); @@ -345,7 +346,7 @@ void RandAddStaticEnv(CSHA512& hasher) const char* exec_str = (const char*)getauxval(AT_EXECFN); if (exec_str) hasher.Write((const unsigned char*)exec_str, strlen(exec_str) + 1); # endif -#endif // __linux__ +#endif // HAVE_STRONG_GETAUXVAL || HAVE_WEAK_GETAUXVAL #ifdef HAVE_GETCPUID AddAllCPUID(hasher); |