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make sleeping more accurate

This commit is contained in:
jsteemann 2019-09-24 15:18:21 +02:00
parent 8c1fe6ea4f
commit 02f9eb06f8
1 changed files with 5 additions and 3 deletions
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8
arangod/Aql/Functions.cpp
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@ -4185,16 +4185,18 @@ AqlValue Functions::Sleep(ExpressionContext* expressionContext,
return AqlValue(AqlValueHintNull());
}
double const until = TRI_microtime() + value.toDouble();
double now = TRI_microtime();
double const until = now + value.toDouble();
while (TRI_microtime() < until) {
std::this_thread::sleep_for(std::chrono::milliseconds(300));
while (now < until) {
std::this_thread::sleep_for(std::chrono::milliseconds(100));
if (expressionContext->killed()) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_QUERY_KILLED);
} else if (application_features::ApplicationServer::isStopping()) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_SHUTTING_DOWN);
}
now = TRI_microtime();
}
return AqlValue(AqlValueHintNull());
}