PTHREAD_RWLOCKATTR_INIT(3)OpenBSD        Programmer's       ManuaPTHREAD_RWLOCKATTR_INIT(3)

NAME    [Toc]    [Back]

     pthread_rwlockattr_init - initialize a read/write lock

SYNOPSIS    [Toc]    [Back]

     #include <pthread.h>

     int
     pthread_rwlockattr_init(pthread_rwlockattr_t *attr);

DESCRIPTION    [Toc]    [Back]

     The pthread_rwlockattr_init() function is used to initialize
a read/write
     lock attributes object.

RETURN VALUES    [Toc]    [Back]

     If  successful,  the pthread_rwlockattr_init() function will
return zero.
     Otherwise an error number will be returned to  indicate  the
error.

ERRORS    [Toc]    [Back]

     pthread_rwlockattr_init() will fail if:

     [ENOMEM]       Insufficient  memory exists to initialize the
attribute object.

SEE ALSO    [Toc]    [Back]

     pthread_rwlock_init(3), pthread_rwlockattr_destroy(3),
     pthread_rwlockattr_getpshared(3),   pthread_rwlockattr_setpshared(3)

STANDARDS    [Toc]    [Back]

     The  pthread_rwlockattr_init()  function is expected to conform to Version
     2 of the Single UNIX Specification.

HISTORY    [Toc]    [Back]

     The pthread_rwlockattr_init()  function  first  appeared  in
FreeBSD 3.0 and
     OpenBSD 2.5.

OpenBSD      3.6                          August      4,     1998