1.\" @(#)rpc_svc_err.3n 1.23 93/08/31 SMI; from SVr4 2.\" Copyright 1989 AT&T 3.\" @(#)rpc_svc_err 1.4 89/06/28 SMI; 4.\" Copyright (c) 1988 Sun Microsystems, Inc. - All Rights Reserved. 5.\" $NetBSD: rpc_svc_err.3,v 1.1 2000/06/02 23:11:14 fvdl Exp $ 6.\" $FreeBSD$ 7.Dd May 3, 1993 8.Dt RPC_SVC_ERR 3 9.Os 10.Sh NAME 11.Nm rpc_svc_err , 12.Nm svcerr_auth , 13.Nm svcerr_decode , 14.Nm svcerr_noproc , 15.Nm svcerr_noprog , 16.Nm svcerr_progvers , 17.Nm svcerr_systemerr , 18.Nm svcerr_weakauth 19.Nd library routines for server side remote procedure call errors 20.Sh LIBRARY 21.Lb libc 22.Sh SYNOPSIS 23.In rpc/rpc.h 24.Ft void 25.Fn svcerr_auth "SVCXPRT *xprt" "enum auth_stat why" 26.Ft void 27.Fn svcerr_decode "SVCXPRT *xprt" 28.Ft void 29.Fn svcerr_noproc "SVCXPRT *xprt" 30.Ft void 31.Fn svcerr_noprog "SVCXPRT *xprt" 32.Ft void 33.Fn svcerr_progvers "SVCXPRT *xprt" "rpcvers_t low_vers" "rpcvers_t high_vers" 34.Ft void 35.Fn svcerr_systemerr "SVCXPRT *xprt" 36.Ft void 37.Fn svcerr_weakauth "SVCXPRT *xprt" 38.Sh DESCRIPTION 39These routines are part of the RPC 40library which allows C language programs to make procedure 41calls on other machines across the network. 42.Pp 43These routines can be called by the server side 44dispatch function if there is any error in the 45transaction with the client. 46.Sh Routines 47See 48.Xr rpc 3 49for the definition of the 50.Vt SVCXPRT 51data structure. 52.Bl -tag -width XXXXX 53.It Fn svcerr_auth 54Called by a service dispatch routine that refuses to perform 55a remote procedure call due to an authentication error. 56.It Fn svcerr_decode 57Called by a service dispatch routine that cannot successfully 58decode the remote arguments 59(see 60.Fn svc_getargs 61in 62.Xr rpc_svc_reg 3 ) . 63.It Fn svcerr_noproc 64Called by a service dispatch routine that does not implement 65the procedure number that the caller requests. 66.It Fn svcerr_noprog 67Called when the desired program is not registered with the 68RPC package. 69Service implementors usually do not need this routine. 70.It Fn svcerr_progvers 71Called when the desired version of a program is not registered with the 72RPC package. 73The 74.Fa low_vers 75argument 76is the lowest version number, 77and 78.Fa high_vers 79is the highest version number. 80Service implementors usually do not need this routine. 81.It Fn svcerr_systemerr 82Called by a service dispatch routine when it detects a system 83error not covered by any particular protocol. 84For example, if a service can no longer allocate storage, 85it may call this routine. 86.It Fn svcerr_weakauth 87Called by a service dispatch routine that refuses to perform 88a remote procedure call due to insufficient (but correct) 89authentication arguments. 90The routine calls 91.Fn svcerr_auth "xprt" "AUTH_TOOWEAK" . 92.El 93.Sh SEE ALSO 94.Xr rpc 3 , 95.Xr rpc_svc_calls 3 , 96.Xr rpc_svc_create 3 , 97.Xr rpc_svc_reg 3 98