cd_read_req.7

7号信令功能代码,为开源代码

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.\" @(#) CD_READ_REQ.7,v 1.1.4.1 2004/01/12 23:45:10 brian Exp
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.so lis.macros
.R1
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no-default-database
database lis.refs
accumulate
move-punctuation
abbreviate A
join-authors ", " ", " " and "
et-al " et al" 2 3
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.\"
.\"
.TH CD_READ_REQ 7 "2004/01/12 23:45:10" "LiS-2_16_18-8" "Linux STREAMS"
.SH NAME
.B CD_READ_REQ
\- wait for input request
.SH SYNOPSIS
This primitive consists of one
.B M_PROTO
or
.B M_PCPROTO
message block structured as follows:
.sp
.nf
\fC\s-1\
.\"/*
.\" * CD_READ_REQ, M_PROTO or M_PCPROTO type
.\" */
typedef struct {
    cd_ulong cd_primitive;
    cd_ulong cd_msec;
} cd_read_req_t;
\fR\s+1
.fi
.SH DESCRIPTION
This user originated primitive requests that
.SS Parameters
This primitive contains the following parameters:
.TP
.I cd_primitive
Specifies the primitives type.
.TP
.I cd_msec
.SS State
.SH RESPONSE
.PP
.B "Successful:"
.PP
.B "Unsuccessful (non-fatal errors):"
.SH ERRORS
.B "Non-Fatal Errors:"
.\".TP
.\".RB [ CD_BADADDRESS ]
.\"Address was invalid.
.\".TP
.\".RB [ CD_BADADDRTYPE ]
.\"Invalid address type.
.\".TP
.\".RB [ CD_BADDIAL ]
.\"Dial information was invalid.
.\".TP
.\".RB [ CD_BADDIALTYPE ]
.\"Invalid dial information type.
.\".TP
.\".RB [ CD_BADDISPOSAL ]
.\"Invalid disposal parameter.
.TP
.RB [ CD_BADFRAME ]
Defective SDU received.
.\".TP
.\".RB [ CD_BADPPA ]
.\"Invalid PPA identifier.
.TP
.RB [ CD_BADPRIM ]
Unrecognized primitive.
.TP
.RB [ CD_DISC ]
Disconnected.
.TP
.RB [ CD_EVENT ]
Protocol-specific event occurred.
.TP
.RB [ CD_FATALERR ]
Device has become unusable.
.\".TP
.\".RB [ CD_INITFAILED ]
.\"Line initialization failed.
.TP
.RB [ CD_NOTSUPP ]
Primitive not supported by this device.
.TP
.RB [ CD_OUTSTATE ]
Primitive was issued from an invalid state.
.TP
.RB [ CD_PROTOSHORT ]
M_PROTO block too short.
.TP
.RB [ CD_READTIMEOUT ]
Read request timed out before data arrived.
.TP
.RB [ CD_SYSERR ]
UNIX system error.
.\".TP
.\".RB [ CD_WRITEFAIL ]
.\"Unitdata request failed.
.SH FILES
<sys/cdi.h>
.SH "SEE ALSO"
.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