.\" Copyright 2015 IBM Corp.
.\"
.TH CXL_AFU_OPENED 3 2016-05-25 "LIBCXL 1.4" "CXL Programmer's Manual"
.SH NAME
cxl_afu_opened \- return whether an AFU handle is opened
.SH SYNOPSIS
.B #include <libcxl.h>
.PP
.B "int cxl_afu_opened(struct cxl_afu_h"
.BI * afu );
.SH DESCRIPTION
.BR cxl_afu_opened ()
returns 1 if
.I afu
is open, or else 0.
.SH RETURN VALUE
On success, 0 or 1 is returned.
On error, \-1 is returned and
.I errno
is set appropriately.
.SH ERRORS
.TP
.B EINVAL
Invalid argument value.
.SH SEE ALSO
.BR cxl (3),
.BR cxl_afu_attach (3),
.BR cxl_afu_attach_full (3),
.BR cxl_afu_attach_work (3),
.BR cxl_afu_dev_name (3),
.BR cxl_afu_fd (3),
.BR cxl_afu_fd_to_h (3),
.BR cxl_afu_free (3),
.BR cxl_afu_get_process_element (3),
.BR cxl_afu_open_dev (3),
.BR cxl_afu_open_h (3),
.BR cxl_read_event (3),
.BR cxl_read_expected_event (3)