man/pthread_rwlockattr_init.3

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  27 .Dd August 4, 1998
  28 .Dt PTHREAD_RWLOCKATTR_INIT 3
  29 .Os
  30 .Sh NAME
  31 .Nm pthread_rwlockattr_init
  32 .Nd initialize a read/write lock
  33 .Sh SYNOPSIS
  34 .In pthread.h
  35 .Ft int
  36 .Fo pthread_rwlockattr_init
  37 .Fa "pthread_rwlockattr_t *attr"
  38 .Fc
  39 .Sh DESCRIPTION
  40 The
  41 .Fn pthread_rwlockattr_init
  42 function is used to initialize a read/write lock attribute object.
  43 .Sh RETURN VALUES
  44 If successful, the
  45 .Fn pthread_rwlockattr_init
  46 function will return zero.
  47 Otherwise, an error number will be returned to indicate the error.
  48 .Sh SEE ALSO
  49 .Xr pthread_rwlock_init 3 ,
  50 .Xr pthread_rwlockattr_destroy 3 ,
  51 .Xr pthread_rwlockattr_getpshared 3 ,
  52 .Xr pthread_rwlockattr_setpshared 3
  53 .Sh STANDARDS
  54 The
  55 .Fn pthread_rwlockattr_init
  56 function is expected to conform to
  57 .St -susv2 .
  58 .Sh ERRORS
  59 .Fn pthread_rwlockattr_init
  60 will fail if:
  61 .Bl -tag -width Er
  62 .It Bq Er ENOMEM
  63 Insufficient memory exists to initialize the attribute object.
  64 .El
  65 .Sh HISTORY
  66 The
  67 .Fn pthread_rwlockattr_init
  68 function first appeared in
  69 .Fx 3.0 .