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2007-09-21 Joel Sherrill <joel.sherrill@oarcorp.com>

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* libnetworking/Makefile.am: Add dummy socketpair() implementation to
	document what is required to provide a fully functional
	implementation.
	* libnetworking/rtems/rtems_socketpair.c: New file.
This commit is contained in:
Joel Sherrill
2007-09-21 15:34:10 +00:00
parent f2502b39cb
commit 6f57450dfe
3 changed files with 61 additions and 2 deletions
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7
cpukit/ChangeLog
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@@ -1,3 +1,10 @@
2007-09-21 Joel Sherrill <joel.sherrill@oarcorp.com>
* libnetworking/Makefile.am: Add dummy socketpair() implementation to
document what is required to provide a fully functional
implementation.
* libnetworking/rtems/rtems_socketpair.c: New file.
2007-09-21 Ralf Corsépius <ralf.corsepius@rtems.org>
* aclocal/version.m4: Bump RTEMS_API to 4.9.

5
cpukit/libnetworking/Makefile.am
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@@ -121,8 +121,9 @@ libnetworking_a_SOURCES += rtems/sghostname.c rtems/issetugid.c \
rtems/rtems_showmbuf.c rtems/rtems_showroute.c rtems/rtems_showifstat.c \
rtems/rtems_showipstat.c rtems/rtems_showicmpstat.c \
rtems/rtems_showtcpstat.c rtems/rtems_showudpstat.c rtems/rtems_select.c \
rtems/mkrootfs.c rtems/rtems_bsdnet_malloc_starvation.c
libnetworking_a_SOURCES += rtems/rtems_mii_ioctl.c rtems/rtems_mii_ioctl_kern.c
rtems/mkrootfs.c rtems/rtems_bsdnet_malloc_starvation.c \
rtems/rtems_mii_ioctl.c rtems/rtems_mii_ioctl_kern.c \
rtems/rtems_socketpair.c
## sys

51
cpukit/libnetworking/rtems/rtems_socketpair.c Normal file
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@@ -0,0 +1,51 @@
/*
* socketpair() for RTEMS
*
* This file exists primarily to document what is required to provide
* a functional implementation of socketpair() for RTEMS.
*
* The socketpair() service requires that the "local domain" sockets
* be functional. This is denoted by the domain constants AF_LOCAL
* and AF_UNIX and the protocol constants PF_LOCAL and PF_UNIX. The
* local domain functionality is implemented in the file kern/uipc_usrreq.c
* which was not part of the initial port of the FreeBSD stack to
* RTEMS.
*
* The FreeBSD socketpair implementation appears to be dependent on
* file system features which are not available currently in RTEMS.
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <unistd.h>
#include <sys/socket.h>
#include <sys/errno.h>
int socketpair (int domain, int type, int protocol, int *rsv)
{
if ( !rsv ) {
errno = EFAULT;
return -1;
}
/*
* Yes, we do not support socketpair() so this is really paranoid.
* But it ensures that someone calling this routine and ignoring
* the return status will get errors from subsequent socket calls.
*/
rsv[ 0 ] = -1;
rsv[ 1 ] = -1;
errno = ENOSYS;
return -1;
}