pthread_rwlockattr(3) - NetBSD Manual Pages

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PTHREAD_RWLOCKATTR(3)   NetBSD Library Functions Manual  PTHREAD_RWLOCKATTR(3)


NAME

     pthread_rwlockattr_init, pthread_rwlockattr_destroy -- initialize or
     destroy read/write lock attributes


LIBRARY

     POSIX Threads Library (libpthread, -lpthread)


SYNOPSIS

     #include <pthread.h>

     int
     pthread_rwlockattr_init(pthread_rwlockattr_t *attr);

     int
     pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);


DESCRIPTION

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

     The pthread_rwlockattr_destroy() function is used to destroy a read/write
     lock attribute object previously created with pthread_rwlockattr_init().


RETURN VALUES

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


ERRORS

     pthread_rwlockattr_init() shall fail if:

     [ENOMEM]           Insufficient memory exists to initialize the
                        read/write lock attributes object.

     pthread_rwlockattr_init() and pthread_rwlockattr_destroy() may fail if:

     [EINVAL]           The value specified by attr is invalid.


SEE ALSO

     pthread_rwlock_init(3)


STANDARDS

     The pthread_rwlockattr_init() and pthread_rwlockattr_destroy() functions
     conform to ISO/IEC 9945-1:1996 (``POSIX.1'').

NetBSD 5.1                     January 30, 2003                     NetBSD 5.1