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MDEV-33748 get rid of pthread_(get_/set_)specific, use thread_local

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Apart from better performance when accessing thread local variables,
we'll get rid of things that depend on initialization/cleanup of
pthread_key_t variables.

Where appropriate, use compiler-dependent pre-C++11 thread-local
equivalents, where it makes sense, to avoid initialization check overhead
that non-static thread_local can suffer from.
This commit is contained in:
Vladislav Vaintroub
2024-06-07 16:20:10 +02:00
parent 68fed7e785
commit 7c5fdc9b6a
26 changed files with 93 additions and 234 deletions
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2
storage/perfschema/table_variables_by_thread.h
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@@ -92,7 +92,7 @@ class table_variables_by_thread_context : public PFS_table_context
{
public:
table_variables_by_thread_context(ulonglong hash_version, bool restore) :
PFS_table_context(hash_version, global_thread_container.get_row_count(), restore, THR_PFS_VBT) { }
PFS_table_context(hash_version, global_thread_container.get_row_count(), restore, &THR_PFS_VBT) { }
};
/** Table PERFORMANCE_SCHEMA.VARIABLES_BY_THREAD. */