gfs_pio_close()
closes a file gf
, so that it no longer
refers to any file and may be reused.
GFARM_ERR_NO_ERROR
The function terminated successfully.
GFARM_ERR_BAD_FILE_DESCRIPTOR
The file descripter specified by gfp
is
not a valid open file descriptor.
GFARM_ERR_NO_MEMORY
Insufficient memory was available.
An error except the above occurred. The reason is shown by gfarm_error_string(3).