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[src/netbsd-8]: src/sys Pull up following revision(s) (requested by roy in ti...



details:   https://anonhg.NetBSD.org/src/rev/2060f642d7a2
branches:  netbsd-8
changeset: 435044:2060f642d7a2
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Jun 09 15:16:30 2018 +0000

description:
Pull up following revision(s) (requested by roy in ticket #868):

        sys/sys/socketvar.h: revision 1.156
        sys/kern/uipc_socket2.c: revision 1.130
        sys/kern/uipc_socket.c: revision 1.264

Separate receive socket errors from general socket errors.

diffstat:

 sys/kern/uipc_socket.c  |  20 +++++++++++++-------
 sys/kern/uipc_socket2.c |   6 +++---
 sys/sys/socketvar.h     |   3 ++-
 3 files changed, 18 insertions(+), 11 deletions(-)

diffs (101 lines):

diff -r 454033580565 -r 2060f642d7a2 sys/kern/uipc_socket.c
--- a/sys/kern/uipc_socket.c    Sat Jun 09 15:14:49 2018 +0000
+++ b/sys/kern/uipc_socket.c    Sat Jun 09 15:16:30 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uipc_socket.c,v 1.255.2.2 2018/04/09 13:34:10 bouyer Exp $     */
+/*     $NetBSD: uipc_socket.c,v 1.255.2.3 2018/06/09 15:16:30 martin Exp $     */
 
 /*-
  * Copyright (c) 2002, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -71,7 +71,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.255.2.2 2018/04/09 13:34:10 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.255.2.3 2018/06/09 15:16:30 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -1240,11 +1240,16 @@
                if (m == NULL && so->so_rcv.sb_cc)
                        panic("receive 1");
 #endif
-               if (so->so_error) {
+               if (so->so_error || so->so_rerror) {
                        if (m != NULL)
                                goto dontblock;
-                       error = so->so_error;
-                       so->so_error = 0;
+                       if (so->so_error) {
+                               error = so->so_error;
+                               so->so_error = 0;
+                       } else {
+                               error = so->so_rerror;
+                               so->so_rerror = 0;
+                       }
                        goto release;
                }
                if (so->so_state & SS_CANTRCVMORE) {
@@ -1564,7 +1569,8 @@
                 */
                while (flags & MSG_WAITALL && m == NULL && uio->uio_resid > 0 &&
                    !sosendallatonce(so) && !nextrecord) {
-                       if (so->so_error || so->so_state & SS_CANTRCVMORE)
+                       if (so->so_error || so->so_rerror ||
+                           so->so_state & SS_CANTRCVMORE)
                                break;
                        /*
                         * If we are peeking and the socket receive buffer is
@@ -2250,7 +2256,7 @@
                kn->kn_flags |= EV_EOF;
                kn->kn_fflags = so->so_error;
                rv = 1;
-       } else if (so->so_error)
+       } else if (so->so_error || so->so_rerror)
                rv = 1;
        else if (kn->kn_sfflags & NOTE_LOWAT)
                rv = (kn->kn_data >= kn->kn_sdata);
diff -r 454033580565 -r 2060f642d7a2 sys/kern/uipc_socket2.c
--- a/sys/kern/uipc_socket2.c   Sat Jun 09 15:14:49 2018 +0000
+++ b/sys/kern/uipc_socket2.c   Sat Jun 09 15:16:30 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uipc_socket2.c,v 1.124.8.1 2018/04/09 13:34:10 bouyer Exp $    */
+/*     $NetBSD: uipc_socket2.c,v 1.124.8.2 2018/06/09 15:16:30 martin Exp $    */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -58,7 +58,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_socket2.c,v 1.124.8.1 2018/04/09 13:34:10 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_socket2.c,v 1.124.8.2 2018/06/09 15:16:30 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_mbuftrace.h"
@@ -504,7 +504,7 @@
        KASSERT(solocked(so));
 
        so->so_rcv.sb_overflowed++;
-       so->so_error = ENOBUFS;
+       so->so_rerror = ENOBUFS;
        sorwakeup(so);
 }
 
diff -r 454033580565 -r 2060f642d7a2 sys/sys/socketvar.h
--- a/sys/sys/socketvar.h       Sat Jun 09 15:14:49 2018 +0000
+++ b/sys/sys/socketvar.h       Sat Jun 09 15:16:30 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: socketvar.h,v 1.144.6.2 2018/04/09 13:34:10 bouyer Exp $       */
+/*     $NetBSD: socketvar.h,v 1.144.6.3 2018/06/09 15:16:30 martin Exp $       */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -160,6 +160,7 @@
        short           so_qlimit;      /* max number queued connections */
        short           so_timeo;       /* connection timeout */
        u_short         so_error;       /* error affecting connection */
+       u_short         so_rerror;      /* error affecting receiving */
        u_short         so_aborting;    /* references from soabort() */
        pid_t           so_pgid;        /* pgid for signals */
        u_long          so_oobmark;     /* chars to oob mark */



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