4.2.7. __declspec(thread)

The __declspec(thread) attribute asserts that variables are thread-local and have thread storage duration, so that the linker arranges for the storage to be allocated automatically when a thread is created.

Note

The keyword __thread is supported as a synonym for __declspec(thread).

Restrictions

File-scope thread-local variables cannot be dynamically initialized.

Example

__declspec(thread) int i;
__thread int j;           // same as __decspec(thread) int j;
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