diff options
| -rw-r--r-- | lib/libc/rpc/rpc.3 | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/lib/libc/rpc/rpc.3 b/lib/libc/rpc/rpc.3 index 3947edde2f5..36998e3da08 100644 --- a/lib/libc/rpc/rpc.3 +++ b/lib/libc/rpc/rpc.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: rpc.3,v 1.6 1998/02/24 12:58:09 deraadt Exp $ +.\" $OpenBSD: rpc.3,v 1.7 1998/02/25 11:46:51 deraadt Exp $ .\" Mostly converted to mandoc by Theo de Raadt, Tue Feb 24 04:04:46 MST 1998 .\" .Dd February 16, 1988 @@ -134,6 +134,10 @@ .Fn svc_destroy "SVCXPRT *xprt" .Ft fd_set .Fa svc_fdset ; +.Ft fd_set +.Fa *__svc_fdset ; +.Ft int +.Fa __svc_fdsetsize ; .Ft int .Fa svc_fds ; .Ft int @@ -765,7 +769,6 @@ transport; see .Fn svcudp_create for restrictions. .Pp -.Ft struct rpc_createerr .Fa rpc_createerr is a global variable whose value is set by any .Tn RPC @@ -786,12 +789,41 @@ itself. Use of .Fa xprt is undefined after calling this routine. .Pp -.Ft fd_set -.Fa svc_fdset -is a global variable reflecting the +.Fa __svc_fdset +and +.Fa __svc_fdsetsize +are global variables reflecting the .Tn RPC service side's -read file descriptor bit mask. +read file descriptor bit mask. This can expand to the full size that +.Xr select 2 +can support and hence exceed +.Fa FD_SETSIZE +if required. +These variables are only of interest +if service implementors do not call +.Fn svc_run , +but rather do their own asynchronous event processing. +This variable is read-only, and it may change after calls +to svc_getreqset() or any creation routines. +Do not pass its address to +.Xr select 2 ! +Instead, pass the address of a copy. +.br +As well, note that if the process has descriptor limits +which are extended beyond +.Fa FD_SETSIZE , +this variable will only be usable for the first +.Fa FD_SETSIZE +descriptors. +.Pp +.Fa svc_fdset +is similar to +.Fa __svc_fdset +but limited to +.Fa FD_SETSIZE +descriptors. +This is the preferred interface for portability though. This is only of interest if service implementors do not call .Fn svc_run , @@ -809,7 +841,6 @@ this variable will only be usable for the first .Fa FD_SETSIZE descriptors. .Pp -.Ft int .Fa svc_fds is similar to .Fa svc_fedset , |