n_unbind_req.7

7号信令功能代码,为开源代码

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.TH N_UNBIND_REQ 7 "2004/01/12 23:45:19" "LiS-2_16_18-8" "Linux STREAMS"
.SH NAME
.BR N_UNBIND_REQ " (" N_unbind_req_t )
\- unbind protocol address request
.SH DESCRIPTION
This primitive requests that the NS provider unbind the NS user entity that
was previously bound to the network address.
.SH SYNOPSIS
The format of the message is one
.B M_PROTO
block, and its structure is as follows:
.sp
.nf
\fC\s-1\
typedef struct {
    ulong PRIM_type;            /* always N_UNBIND_REQ */
} N_unbind_req_t;
\fR\s+1
.fi
.SH PARAMETERS
.TP
.I PRIM_type
Indicates the primitive type.
.SH STATE
This primitive is valid in the
.B NS_IDLE
state.
.SH "NEW STATE"
The new state is
.BR NS_WACK_UREQ .
.SH RESPONSE
This primitive requires the NS provider to generate the following
acknowledgements upon receipt of the primitive:
.IP \- 4
.B Successful:
Correct acknowledgment of the primitive is indicated via the
.BR N_OK_ACK (7)
primitive.
.IP \-
.B Unsuccessful (Non-fatal errors):
These errors will be indicated via the
.BR N_ERROR_ACK (7)
primitive.
.SH ERROS
The applicable non-fatal errors are as follows:
.TP
.RB [ NOUTSTATE ]
The primitive was issued from an invalid state.
.TP
.RB [ NSYSERR ]
A system error has occurred and the Linux system error is indicated in the
primitive.
.SH VERSIONS
.PP
This manpage was written for
.B LiS\c
.
.[
LiS
.]
.br
The Network Provider Interface first appeared in SVR 4.
.[
svr4
.]
.br
This interface conforms to NPI Revision 2.
.XX
.[
npi
.]
.[
magic
.]
.[
advprog
.]
.[
$LIST$
.]
.T2