Use SRWLOCK_INIT to statically initialize stl_critical_section_win7::m_srw_lock
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…n7::m_srw_lock. This doesn't affect the redist's interface - stl/src/primitives.hpp is built into the DLL or static LIB, so there's no mix-and-match concern. We use SRWLOCK_INIT everywhere now.
CaseyCarter
reviewed
Mar 3, 2023
CaseyCarter
approved these changes
Mar 4, 2023
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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This is a minor (but strict) performance improvement as it avoids a Windows API call.
Although this changes separately compiled code, it doesn't affect the redist's interface, and we don't have to wait for the redist to be "unlocked".
stl/src/primitives.hppis built into the STL's DLLs and static LIBs, so there are no mix-and-match concerns with user code.We use
SRWLOCK_INITeverywhere else:STL/stl/src/atomic_wait.cpp
Line 65 in 16bb556
STL/stl/src/atomic_wait.cpp
Line 208 in 16bb556
STL/stl/src/atomic.cpp
Line 11 in 16bb556
STL/stl/src/stacktrace.cpp
Line 237 in 16bb556