cd_ok_ack.7

7号信令功能代码,为开源代码

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.\"
.\"
.TH CD_OK_ACK 7 "2004/01/12 23:45:09" "LiS-2_16_18-8" "Linux STREAMS"
.SH NAME
.B CD_OK_ACK
\- success acknowledgment
.SH SYNOPSIS
This primitive consists of one
.B M_PCPROTO
message block structured as follows:
.sp
.nf
\fC\s-1\
typedef struct {
    cd_ulong cd_primitive;
    cd_ulong cd_state;
    cd_ulong cd_correct_primitive;
} cd_ok_ack_t;
\fR\s+1
.fi
.SH DESCRIPTION
This provider originated primitives acknowledges that a primitive requiring
local acknowledgment with the
.B CD_OK_ACK
has been received an successfully processed.
.SS Parameters
This primitive contains the following parameters:
.TP
.I cd_primitive
Indicates the primitives type.
.TP
.I cd_state
Indicates the new state of the CD provider following sucessful processing of
the request message that illicited the
.BR CD_OK_ACK .
.RS
.TP
.B CD_UNATTACHED
No PPA attached.
.TP
.B CD_UNUSABLE
PPA cannot be used.
.TP
.B CD_DISABLED
PPA attached.
.TP
.B CD_ENABLE_PENDING
Waiting ack of enable req.
.TP
.B CD_ENABLED
Awaiting use.
.TP
.B CD_READ_ACTIVE
Input section enabled; disabled after data arrives.
.TP
.B CD_INPUT_ALLOWED
Input section permanently enabled.
.TP
.B CD_DISABLE_PENDING
Waiting ack of disable req.
.TP
.B CD_OUTPUT_ACTIVE
Output section active only.
.TP
.B CD_XRAY
Xray-ing another ppa.
.RE
.TP
.I cd_correct_primitive
Indicates the primitive that was successfully received.
.I cd_error_primitive
can be one of the following values:
.RS
.TP
.BR CD_ABORT_OUTPUT_REQ (7)
abort output
.TP
.BR CD_ALLOW_INPUT_REQ (7)
allow input
.TP
.BR CD_ATTACH_REQ (7)
attach to a physical point of attachment
.TP
.BR CD_DETACH_REQ (7)
detach from a physical point of attachment
.TP
.BR CD_HALT_INPUT_REQ (7)
halt input
.TP
.BR CD_MODEM_SIG_REQ (7)
assert modem signals
.TP
.BR CD_MUX_NAME_REQ (7)
get mux name
.RE
.SS State
This primitive is valid in any state where an local acknowledgement is pending
and the primitive is required by the request primitive.  The new state is the
state described under the corresponding request primitive.
.SH FILES
<sys/cdi.h>
.SH "SEE ALSO"
.BR CD_ABORT_OUTPUT_REQ (7),
.BR CD_ALLOW_INPUT_REQ (7),
.BR CD_ATTACH_REQ (7),
.BR CD_DETACH_REQ (7),
.BR CD_HALT_INPUT_REQ (7),
.BR CD_MODEM_SIG_REQ (7),
.BR CD_MUX_NAME_REQ (7).
.SH VERSIONS
.PP
This manpage was written for
.B LiS\c
.
.[
LiS
.]
.br
The Communications Device Interface first appeared in SVR 4.
.[
svr4
.]
.br
This interface conforms to CDI with Gcom extensions.
.[
$LIST$
.]
.TA