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* sysdeps/ia64/dl-machine.h (TRAMPOLINE_TEMPLATE): Also preserve
	r9, r10 and r11 for language specific registers.

2001-01-10  Jakub Jelinek  <jakub@redhat.com>

	* sunrpc/clnt_udp.c (clntudp_bufcreate): Set IP_RECVERR on the
	UDP socket.
	(clntudp_call): Handle MSG_ERRQUEUE.
	* sysdeps/generic/errqueue.h: New file.
	* sysdeps/unix/sysv/linux/errqueue.h: New file.

2001-01-10  H.J. Lu  <hjl@gnu.org>
This commit is contained in:
Ulrich Drepper 2001-01-10 23:47:39 +00:00
parent 963100c9f9
commit b1eab23011
5 changed files with 129 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
ChangeLog
View file

@ -1,3 +1,16 @@
2001-01-10 H.J. Lu <hjl@gnu.org>
* sysdeps/ia64/dl-machine.h (TRAMPOLINE_TEMPLATE): Also preserve
r9, r10 and r11 for language specific registers.
2001-01-10 Jakub Jelinek <jakub@redhat.com>
* sunrpc/clnt_udp.c (clntudp_bufcreate): Set IP_RECVERR on the
UDP socket.
(clntudp_call): Handle MSG_ERRQUEUE.
* sysdeps/generic/errqueue.h: New file.
* sysdeps/unix/sysv/linux/errqueue.h: New file.
2001-01-10 H.J. Lu <hjl@gnu.org>
* sysdeps/unix/sysv/linux/ia64/syscalls.list (s_getpagesize): Removed.

52
sunrpc/clnt_udp.c
View file

@ -51,6 +51,11 @@ static char sccsid[] = "@(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro";
#include <rpc/pmap_clnt.h>
#include <net/if.h>
#ifdef IP_RECVERR
#include <errqueue.h>
#include <sys/uio.h>
#endif
extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
extern u_long _create_xid (void);
@ -186,6 +191,12 @@ clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, u_long version,
(void) bindresvport (*sockp, (struct sockaddr_in *) 0);
/* the sockets rpc controls are non-blocking */
(void) __ioctl (*sockp, FIONBIO, (char *) &dontblock);
#ifdef IP_RECVERR
{
int on = 1;
setsockopt(*sockp, SOL_IP, IP_RECVERR, &on, sizeof(on));
}
#endif
cu->cu_closeit = TRUE;
}
else
@ -361,6 +372,47 @@ send_again:
cu->cu_error.re_errno = errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}
#ifdef IP_RECVERR
if (fd.revents & POLLERR)
{
struct msghdr msg;
struct cmsghdr *cmsg;
struct sock_extended_err *e;
struct sockaddr_in err_addr;
struct iovec iov;
char *cbuf = (char *) alloca (outlen + 256);
int ret;
iov.iov_base = cbuf + 256;
iov.iov_len = outlen;
msg.msg_name = (void *) &err_addr;
msg.msg_namelen = sizeof (err_addr);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_flags = 0;
msg.msg_control = cbuf;
msg.msg_controllen = 256;
ret = recvmsg (cu->cu_sock, &msg, MSG_ERRQUEUE);
if (ret >= 0
&& memcmp (cbuf + 256, cu->cu_outbuf, ret) == 0
&& (msg.msg_flags & MSG_ERRQUEUE)
&& ((msg.msg_namelen == 0
&& ret >= 12)
|| (msg.msg_namelen == sizeof (err_addr)
&& err_addr.sin_family == AF_INET
&& memcmp (&err_addr.sin_addr, &cu->cu_raddr.sin_addr,
sizeof (err_addr.sin_addr)) == 0
&& err_addr.sin_port == cu->cu_raddr.sin_port)))
for (cmsg = CMSG_FIRSTHDR (&msg); cmsg;
cmsg = CMSG_NXTHDR (&msg, cmsg))
if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_RECVERR)
{
e = (struct sock_extended_err *) CMSG_DATA(cmsg);
cu->cu_error.re_errno = e->ee_errno;
return (cu->cu_error.re_status = RPC_CANTRECV);
}
}
#endif
do
{
fromlen = sizeof (struct sockaddr);

7
sysdeps/generic/errqueue.h Normal file
View file

@ -0,0 +1,7 @@
#ifndef _BITS_ERRQUEUE_H
#define _BITS_ERRQUEUE_H 1
/* This platform does not support socket error reporting
via MSG_ERRQUEUE. */
#endif /* bits/errqueue.h */

12
sysdeps/ia64/dl-machine.h
View file

@ -163,7 +163,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
.proc " #tramp_name "#
" #tramp_name ":
{ .mmi
alloc loc0 = ar.pfs, 8, 3, 3, 0
alloc loc0 = ar.pfs, 8, 6, 3, 0
adds r2 = -144, r12
adds r3 = -128, r12
}
@ -178,6 +178,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
nop.f 0
nop.b 0
}
{ .mii
mov loc3 = r9 /* preserve language specific register */
mov loc4 = r10 /* preserve language specific register */
mov loc5 = r11 /* preserve language specific register */
}
{ .mmi
stf.spill [r2] = f8, 32
stf.spill [r3] = f9, 32
@ -231,6 +236,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
adds r12 = 160, r12
;;
}
{ .mii
mov r9 = loc3 /* restore language specific register */
mov r10 = loc4 /* restore language specific register */
mov r11 = loc5 /* restore language specific register */
}
{ .mii
ld8 gp = [ret0]
mov r8 = loc2 /* restore struct value register */

46
sysdeps/unix/sysv/linux/errqueue.h Normal file
View file

@ -0,0 +1,46 @@
/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Linux version. */
#ifndef _BITS_ERRQUEUE_H
#define _BITS_ERRQUEUE_H 1
#include <sys/types.h>
#include <sys/socket.h>
struct sock_extended_err
{
u_int32_t ee_errno;
u_int8_t ee_origin;
u_int8_t ee_type;
u_int8_t ee_code;
u_int8_t ee_pad;
u_int32_t ee_info;
u_int32_t ee_data;
};
#define SO_EE_ORIGIN_NONE 0
#define SO_EE_ORIGIN_LOCAL 1
#define SO_EE_ORIGIN_ICMP 2
#define SO_EE_ORIGIN_ICMP6 3
#define SO_EE_OFFENDER(see) \
((struct sockaddr *)(((struct sock_extended_err)(see))+1))
#endif /* bits/errqueue.h */