Standard C Library Functions              pthreadspinunlock(3C)



NAME
     pthreadspinunlock - unlock a spin lock object

SYNOPSIS
     cc -mt [ flag... ] file... [ library... ]
     #include 

     int pthreadspinunlock(pthreadspinlockt *lock);


DESCRIPTION
     The pthreadspinunlock() function releases  the  spin  lock
     referenced    by    lock   which   was   locked   with   the
     pthreadspinlock(3C) or pthreadspintrylock(3C) functions.
     The  results  are  undefined  if the lock is not held by the
     calling thread. If there are threads spinning  on  the  lock
     when  pthreadspinunlock()  is  called,  the  lock  becomes
     available and an unspecified spinning  thread  acquires  the
     lock.


     The results are undefined if this function is called with an
     uninitialized thread spin lock.

RETURN VALUES
     Upon successful completion, the pthreadspinunlock()  func-
     tion returns 0. Otherwise, an error number shall be returned
     to indicate the error.

ERORS
     The pthreadspinunlock() function will fail if:

     EINVAL    An invalid argument was specified.


     EPERM     The calling thread does not hold the lock.


ATRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:














SunOS 5.11          Last change: 30 Jan 2004                    1






Standard C Library Functions              pthreadspinunlock(3C)



     
           ATRIBUTE TYPE               ATRIBUTE VALUE       
    
     Interface Stability          Standard                    
    
     MT-Level                     MT-Safe                     
    


SEE ALSO
     pthreadspindestroy(3C),   pthreadspinlock(3C),    attri-
     butes(5), standards(5)











































SunOS 5.11          Last change: 30 Jan 2004                    2