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Use thread-safe atomic in perfmon seeder

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Also switch to chrono based types.
This commit is contained in:
Pieter Wuille 2019-10-29 12:35:06 -07:00
parent d61f2bb076
commit 64e1e022ce
1 changed files with 6 additions and 4 deletions
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10
src/randomenv.cpp
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@ -19,6 +19,7 @@
#endif
#include <algorithm>
#include <atomic>
#include <chrono>
#include <climits>
#include <thread>
@ -73,10 +74,11 @@ void RandAddSeedPerfmon(CSHA512& hasher)
// Seed with the entire set of perfmon data
// This can take up to 2 seconds, so only do it every 10 minutes
static int64_t nLastPerfmon;
if (GetTime() < nLastPerfmon + 10 * 60)
return;
nLastPerfmon = GetTime();
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>();
if (current_time < last_time + std::chrono::minutes{10}) return;
last_perfmon = current_time;
std::vector<unsigned char> vData(250000, 0);
long ret = 0;