chickadee » srfi-18 » thread-specific-set!

thread-specific-set! thread objprocedure

Stores obj into the thread's specific field. thread-specific-set! returns an unspecified value.

    (thread-specific-set! (current-thread) "hello")  ==>  ''unspecified''
 
    (thread-specific (current-thread))               ==>  "hello"

Alternatively, you can use

    (set! (thread-specific (current-thread)) "hello")