minix/lib/libc/rpc/rpc_svc_err.3
Ben Gras 2fe8fb192f Full switch to clang/ELF. Drop ack. Simplify.
There is important information about booting non-ack images in
docs/UPDATING. ack/aout-format images can't be built any more, and
booting clang/ELF-format ones is a little different. Updating to the
new boot monitor is recommended.

Changes in this commit:

	. drop boot monitor -> allowing dropping ack support
	. facility to copy ELF boot files to /boot so that old boot monitor
	  can still boot fairly easily, see UPDATING
	. no more ack-format libraries -> single-case libraries
	. some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases
	. drop several ack toolchain commands, but not all support
	  commands (e.g. aal is gone but acksize is not yet).
	. a few libc files moved to netbsd libc dir
	. new /bin/date as minix date used code in libc/
	. test compile fix
	. harmonize includes
	. /usr/lib is no longer special: without ack, /usr/lib plays no
	  kind of special bootstrapping role any more and bootstrapping
	  is done exclusively through packages, so releases depend even
	  less on the state of the machine making them now.
	. rename nbsd_lib* to lib*
	. reduce mtree
2012-02-14 14:52:02 +01:00

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Groff

.\" @(#)rpc_svc_err.3n 1.23 93/08/31 SMI; from SVr4
.\" Copyright 1989 AT&T
.\" @(#)rpc_svc_err 1.4 89/06/28 SMI;
.\" Copyright (c) 1988 Sun Microsystems, Inc. - All Rights Reserved.
.\" $NetBSD: rpc_svc_err.3,v 1.6 2003/04/16 13:34:43 wiz Exp $
.Dd May 3, 1993
.Dt RPC_SVC_ERR 3
.Os
.Sh NAME
.Nm rpc_svc_err ,
.Nm svcerr_auth ,
.Nm svcerr_decode ,
.Nm svcerr_noproc ,
.Nm svcerr_noprog ,
.Nm svcerr_progvers ,
.Nm svcerr_systemerr ,
.Nm svcerr_weakauth
.Nd library routines for server side remote procedure call errors
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In rpc/rpc.h
.Ft void
.Fn svcerr_auth "const SVCXPRT1 *xprt" "const enum auth_stat why"
.Ft void
.Fn svcerr_decode "const SVCXPRT *xprt"
.Ft void
.Fn svcerr_noproc "const SVCXPRT *xprt"
.Ft void
.Fn svcerr_noprog "const SVCXPRT *xprt"
.Ft void
.Fn svcerr_progvers "const SVCXPRT *xprt" "rpcvers_t low_vers" "rpcvers_t high_vers"
.Ft void
.Fn svcerr_systemerr "const SVCXPRT *xprt"
.Ft void
.Fn svcerr_weakauth "const SVCXPRT *xprt"
.Sh DESCRIPTION
These routines are part of the RPC
library which allows C language programs to make procedure
calls on other machines across the network.
.Pp
These routines can be called by the server side
dispatch function if there is any error in the
transaction with the client.
.Sh ROUTINES
See
.Xr rpc 3
for the definition of the
.Vt SVCXPRT
data structure.
.Pp
.Bl -tag -width XXXXX
.It Fn svcerr_auth
Called by a service dispatch routine that refuses to perform
a remote procedure call due to an authentication error.
.Pp
.Fn svcerr_decode
Called by a service dispatch routine that cannot successfully
decode the remote parameters
(see
.Fn svc_getargs
in
.Xr rpc_svc_reg 3 ) .
.Pp
.It Fn svcerr_noproc
Called by a service dispatch routine that does not implement
the procedure number that the caller requests.
.Pp
.It Fn svcerr_noprog
Called when the desired program is not registered with the
RPC package.
Service implementors usually do not need this routine.
.Pp
.It Fn svcerr_progvers
Called when the desired version of a program is not registered with the
RPC package.
.Fa low_vers
is the lowest version number,
and
.Fa high_vers
is the highest version number.
Service implementors usually do not need this routine.
.Pp
.It Fn svcerr_systemerr
Called by a service dispatch routine when it detects a system
error not covered by any particular protocol.
For example, if a service can no longer allocate storage,
it may call this routine.
.Pp
.It Fn svcerr_weakauth
Called by a service dispatch routine that refuses to perform
a remote procedure call due to insufficient (but correct)
authentication parameters.
The routine calls
.Fn svcerr_auth "xprt" "AUTH_TOOWEAK" .
.El
.Sh SEE ALSO
.Xr rpc 3 ,
.Xr rpc_svc_calls 3 ,
.Xr rpc_svc_create 3 ,
.Xr rpc_svc_reg 3