NAME
dacs_wait
- Wait
for communication operations to finish on this DE so the parameters can be
changed or reused.
SYNOPSIS
DACS_ERR_T
dacs_wait ( dacs_wid_t wid )
| Call parameter |
|
| wid |
A communication wait identifier |
DESCRIPTION
The dacs_wait service
blocks the caller, waiting for outstanding data transfers for the given wait
identifier to complete. It returns when all outstanding transfers are finished.
If one or more of the transfers fails, the first failure encountered is reported.
RETURN VALUE
The
dacs_wait service
returns an error indicator defined as:
- DACS_WID_READY: all data transfers have completed.
- DACS_ERR_WID_NOT_ACTIVE:
there are no outstanding transfers to test.
- DACS_ERR_INVALID_WID: the specified wait identifier is
invalid.
- DACS_ERR_BYTESWAP_MISMATCH: the Little-endian / Big-endian
architectures at the ends of the transfer are incompatible.
- DACS_ERR_BUF_OVERFLOW: the
data to be transferred is too large for the receive buffer.