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Replace use of boost::mutex #6411
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davidlange6
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cms-sw:CMSSW_7_3_X
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Dr15Jones:removeUseOfBoostMutex
Nov 17, 2014
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Original file line number | Diff line number | Diff line change |
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@@ -4,7 +4,7 @@ | |
#include <cstring> | ||
#include <set> | ||
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#include <boost/thread.hpp> | ||
#include <mutex> | ||
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#include "PhysicsTools/MVAComputer/interface/AtomicId.h" | ||
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@@ -25,7 +25,7 @@ namespace { // anonymous | |
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IdSet idSet; | ||
static std::allocator<char> stringAllocator; | ||
mutable boost::mutex mutex; | ||
mutable std::mutex mutex; | ||
}; | ||
} // anonymous namespace | ||
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@@ -41,7 +41,7 @@ IdCache::~IdCache() | |
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const char *IdCache::findOrInsert(const char *string) throw() | ||
{ | ||
boost::mutex::scoped_lock scoped_lock(mutex); | ||
std::lock_guard<std::mutex> scoped_lock(mutex); | ||
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IdSet::iterator pos = idSet.lower_bound(string); | ||
if (pos != idSet.end() && std::strcmp(*pos, string) == 0) | ||
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@@ -60,7 +60,7 @@ namespace PhysicsTools { | |
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static IdCache &getAtomicIdCache() | ||
{ | ||
static IdCache atomicIdCache; | ||
[[cms::thread_safe]] static IdCache atomicIdCache; | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. This just tells the static analyzer that this variable has been checked by hand and was declared thread safe. The regular compiler will just ignore these new C++11 annotations. |
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return atomicIdCache; | ||
} | ||
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An atomic is much more performant.