Manual Pages for UNIX Operating System command usage for man pthread_mutexattr_destroy

Standard C Library Functions           pthread_mutexattr_init(3C)



NAME
     pthread_mutexattr_init, pthread_mutexattr_destroy - initial-
     ize or destroy mutex attributes object

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

     int pthread_mutexattr_init(pthread_mutexattr_t *attr);


     int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);


DESCRIPTION
     The pthread_mutexattr_init() function  initializes  a  mutex
     attributes object attr with the default value for all of the
     attributes defined by the implementation.


     The effect of  initializing  an  already  initialized  mutex
     attributes object is undefined.


     After a mutex attributes object has been used to  initialize
     one  or  more mutexes, any function affecting the attributes
     object (including destruction) does not  affect  any  previ-
     ously initialized mutexes.


     The pthread_mutexattr_destroy() function  destroys  a  mutex
     attributes object; the object becomes, in effect, uninitial-
     ized.       An        implementation        may        cause
     pthread_mutexattr_destroy()  to set the object referenced by
     attr to an  invalid  value.  A  destroyed  mutex  attributes
     object can be re-initialized using pthread_mutexattr_init();
     the results of otherwise referencing the object after it has
     been  destroyed are undefined.

RETURN VALUES
     Upon  successful  completion,  pthread_mutexattr_init()  and
     pthread_mutexattr_destroy()  return  0.  Otherwise, an error
     number is returned to indicate the error.

ERRORS
     The pthread_mutexattr_init() function may fail if:

     ENOMEM    Insufficient memory exists to initialize the mutex
               attributes object.






SunOS 5.11          Last change: 23 Mar 2005                    1






Standard C Library Functions           pthread_mutexattr_init(3C)



     The pthread_mutexattr_destroy() function may fail if:

     EINVAL    The value specified by attr is invalid.


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



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


SEE ALSO
     pthread_cond_init(3C),                   pthread_create(3C),
     pthread_mutex_init(3C),       pthread_mutexattr_settype(3C),
     attributes(5), standards(5)





























SunOS 5.11          Last change: 23 Mar 2005                    2