[basic.stc.thread] (original) (raw)
6 Basics [basic]
6.7 Memory and objects [basic.memobj]
6.7.5 Storage duration [basic.stc]
6.7.5.3 Thread storage duration [basic.stc.thread]
All variables declared with the thread_local keyword havethread storage duration.
The storage for these entities lasts for the duration of the thread in which they are created.
There is a distinct object or reference per thread, and use of the declared name refers to the entity associated with the current thread.
[Note 1:
A variable with thread storage duration is initialized as specified in [basic.start.static], [basic.start.dynamic], and [stmt.dcl]and, if constructed, is destroyed on thread exit ([basic.start.term]).
— _end note_]