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Merge pull request #5824

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32eaf8a WIN32 Seed Cleanup: Move nLastPerfmon behind win32 ifdef. Code to avoid calling Perfmon too often is only needed when perfmon is actually going to get called. This is not intended to make any functional difference in the addition of entropy to the random pool. (21E14)
This commit is contained in:
Wladimir J. van der Laan 2015-02-26 09:42:24 +01:00
commit 25d713c941
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1 changed files with 4 additions and 3 deletions
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7
src/random.cpp
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@ -47,15 +47,16 @@ void RandAddSeedPerfmon()
{ {
RandAddSeed(); RandAddSeed();
#ifdef WIN32
// Don't need this on Linux, OpenSSL automatically uses /dev/urandom
// 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
static int64_t nLastPerfmon; static int64_t nLastPerfmon;
if (GetTime() < nLastPerfmon + 10 * 60) if (GetTime() < nLastPerfmon + 10 * 60)
return; return;
nLastPerfmon = GetTime(); nLastPerfmon = GetTime();
#ifdef WIN32
// Don't need this on Linux, OpenSSL automatically uses /dev/urandom
// Seed with the entire set of perfmon data
std::vector<unsigned char> vData(250000, 0); std::vector<unsigned char> vData(250000, 0);
long ret = 0; long ret = 0;
unsigned long nSize = 0; unsigned long nSize = 0;