thr_setspecific

Associates the specified value with the specified key for the calling context.

Library:LibC

Classification:UNIX International

Service:Threads

Syntax

  #include <thread.h> 
   
  int thr_setspecific (
     thread_key_t   key,
     void          *value);

key: (IN) Specifies the key for which the value is to be set.
value: (IN) Points to the value to be associated with the specified key. NULL is the default initial value that is associated with each thread for an allocated key.

If successful, returns 0; otherwise, returns a nonzero error code:

Decimal	Constant	Description
9	EINVAL	The specified key is not allocated.
14	ERANGE	The specified key is invalid (out of range).

The value set by calling thr_setspecific can be returned later by calling thr_getspecific.