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Merge pull request #8713 from grundman:patch-6

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This commit is contained in:
Alexander Alekhin 2017-05-24 12:34:12 +00:00
commit 7bd3ccd929
1 changed files with 6 additions and 2 deletions
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8
modules/core/src/matrix.cpp
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@ -222,7 +222,7 @@ public:
};
namespace
{
MatAllocator* g_matAllocator = NULL;
MatAllocator* volatile g_matAllocator = NULL;
}
@ -230,7 +230,11 @@ MatAllocator* Mat::getDefaultAllocator()
{
if (g_matAllocator == NULL)
{
g_matAllocator = getStdAllocator();
cv::AutoLock lock(cv::getInitializationMutex());
if (g_matAllocator == NULL)
{
g_matAllocator = getStdAllocator();
}
}
return g_matAllocator;
}