Manual Pages for UNIX Operating System command usage for man pthread_spin_unlock

Standard C Library Functions              pthread_spin_unlock(3C)



NAME
     pthread_spin_unlock - unlock a spin lock object

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

     int pthread_spin_unlock(pthread_spinlock_t *lock);


DESCRIPTION
     The pthread_spin_unlock() function releases  the  spin  lock
     referenced    by    lock   which   was   locked   with   the
     pthread_spin_lock(3C) or pthread_spin_trylock(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  pthread_spin_unlock()  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 pthread_spin_unlock()  func-
     tion returns 0. Otherwise, an error number shall be returned
     to indicate the error.

ERRORS
     The pthread_spin_unlock() function will fail if:

     EINVAL    An invalid argument was specified.


     EPERM     The calling thread does not hold the lock.


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














SunOS 5.11          Last change: 30 Jan 2004                    1






Standard C Library Functions              pthread_spin_unlock(3C)



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|
    | Standard                    | See standards(5).           |
    |_____________________________|_____________________________|


SEE ALSO
     pthread_spin_destroy(3C),   pthread_spin_lock(3C),    attri-
     butes(5), standards(5)









































SunOS 5.11          Last change: 30 Jan 2004                    2