gfs_mkdir() attempts to create a directory named gfarm_url.
mode speficies the permissions to use.
It is modified by the process's umask in the usual
way: the permissions of the created file are
(mode &
~umask).
NULLThe function terminated successfully.
GFARM_ERR_NO_MEMORYInsufficient memory was available.
GFARM_ERR_ALREADY_EXISTSgfarm_url already exists (not necessarily as a directory). This includes the case where gfarm_url is a symbolic link, dangling or not.
GFARM_ERR_NO_SUCH_OBJECTThe parent directory of gfarm_url does not exist.
GFARM_ERR_NOT_A_DIRECTORYA component of the path prefix is not a directory.
An error except the above occurred. The reason is shown by its pointed strings.