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core(tls): implement releasing of TLS on thread termination

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- move TLS & instrumentation code out of core/utility.hpp
- (*) TLSData lost .gather() method (to dispose thread data on thread termination)
- use TLSDataAccumulator for reliable collecting of thread data
- prefer using of .detachData() + .cleanupDetachedData() instead of .gather() method

(*) API is broken: replace TLSData => TLSDataAccumulator if gather required
(objects disposal on threads termination is not available in accumulator mode)
This commit is contained in:
Alexander Alekhin
2019-10-13 11:14:41 +00:00
parent dd4f591d54
commit 17e2bf5717
14 changed files with 650 additions and 239 deletions
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modules/core/src/ovx.cpp
+6 -6
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@@ -76,13 +76,13 @@ bool haveOpenVX()
bool useOpenVX()
{
#ifdef HAVE_OPENVX
CoreTLSData* data = getCoreTlsData().get();
if( data->useOpenVX < 0 )
CoreTLSData& data = getCoreTlsData();
if (data.useOpenVX < 0)
{
// enabled (if available) by default
data->useOpenVX = haveOpenVX() ? 1 : 0;
data.useOpenVX = haveOpenVX() ? 1 : 0;
}
return data->useOpenVX > 0;
return data.useOpenVX > 0;
#else
return false;
#endif
@@ -93,8 +93,8 @@ void setUseOpenVX(bool flag)
#ifdef HAVE_OPENVX
if( haveOpenVX() )
{
CoreTLSData* data = getCoreTlsData().get();
data->useOpenVX = flag ? 1 : 0;
CoreTLSData& data = getCoreTlsData();
data.useOpenVX = flag ? 1 : 0;
}
#else
CV_Assert(!flag && "OpenVX support isn't enabled at compile time");