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[libc++] Fix __threading_support when used with C11 threading (#66780)

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Since we are defining these typedefs inside namespace std, we need to
refer to ::once_flag (the C Standard Library version). Otherwise
'once_flag' refers to 'std::once_flag', and that's not something we can
pass to the C Standard Library '::call_once()' function later on.
This commit is contained in:
Louis Dionne 2023-09-19 18:15:26 -04:00 committed by GitHub
parent 2d1e8a03f5
commit e7a7a16901
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libcxx/include/__threading_support
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@ -102,7 +102,7 @@ typedef cnd_t __libcpp_condvar_t;
#define _LIBCPP_CONDVAR_INITIALIZER {} #define _LIBCPP_CONDVAR_INITIALIZER {}
// Execute once // Execute once
typedef once_flag __libcpp_exec_once_flag; typedef ::once_flag __libcpp_exec_once_flag;
#define _LIBCPP_EXEC_ONCE_INITIALIZER ONCE_FLAG_INIT #define _LIBCPP_EXEC_ONCE_INITIALIZER ONCE_FLAG_INIT
// Thread id // Thread id