51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
#include "../common/TracyAlloc.hpp"
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#ifdef TRACY_USE_RPMALLOC
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#include <atomic>
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#include "../common/TracyYield.hpp"
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#if PLATFORM_WINDOWS
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extern void CheckInstructionSet();
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#endif
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namespace tracy
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{
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extern thread_local bool RpThreadInitDone;
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extern std::atomic<int> RpInitDone;
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extern std::atomic<int> RpInitLock;
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tracy_no_inline static void InitRpmallocPlumbing()
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{
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const auto done = RpInitDone.load( std::memory_order_acquire );
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if( !done )
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{
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#if PLATFORM_WINDOWS
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// Check instruction set before executing any code (Tracy init static vars before others)
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CheckInstructionSet();
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#endif
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int expected = 0;
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while( !RpInitLock.compare_exchange_weak( expected, 1, std::memory_order_release, std::memory_order_relaxed ) ) { expected = 0; YieldThread(); }
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const auto done = RpInitDone.load( std::memory_order_acquire );
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if( !done )
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{
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rpmalloc_initialize();
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RpInitDone.store( 1, std::memory_order_release );
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}
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RpInitLock.store( 0, std::memory_order_release );
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}
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rpmalloc_thread_initialize();
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RpThreadInitDone = true;
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}
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TRACY_API void InitRpmalloc()
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{
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if( !RpThreadInitDone ) InitRpmallocPlumbing();
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}
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}
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#endif
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