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Make struct iovec universally available

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Vectored IO APIs will require some sort of vector argument.  It makes sense to
use struct iovec and just define it globally for Windows.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5889 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2008-12-05 20:05:26 +00:00
parent a38131b669
commit bf9298b90e
5 changed files with 24 additions and 18 deletions
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14
configure vendored
View File

@ -1017,6 +1017,17 @@ EOF
fi
fi
##########################################
# iovec probe
cat > $TMPC <<EOF
#include <sys/uio.h>
int main(void) { struct iovec iov; return 0; }
EOF
iovec=no
if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
iovec=yes
fi
# Check if tools are available to build documentation.
if [ -x "`which texi2html 2>/dev/null`" ] && \
[ -x "`which pod2man 2>/dev/null`" ]; then
@ -1376,6 +1387,9 @@ fi
if test "$blobs" = "yes" ; then
echo "INSTALL_BLOBS=yes" >> $config_mak
fi
if test "$iovec" = "yes" ; then
echo "#define HAVE_IOVEC 1" >> $config_h
fi
# XXX: suppress that
if [ "$bsd" = "yes" ] ; then

9
hw/virtio.h
View File

@ -17,15 +17,6 @@
#include "hw.h"
#include "pci.h"
#ifdef _WIN32
struct iovec {
void *iov_base;
size_t iov_len;
};
#else
#include <sys/uio.h>
#endif
/* from Linux's linux/virtio_config.h */
/* Status byte for guest to report progress, and synchronize features. */

10
qemu-common.h
View File

@ -16,6 +16,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "config-host.h"
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
@ -28,6 +29,14 @@
#define ENOMEDIUM ENODEV
#endif
#ifndef HAVE_IOVEC
#define HAVE_IOVEC
struct iovec {
void *iov_base;
size_t iov_len;
};
#endif
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#define WINVER 0x0501 /* needed for ipv6 bits */
@ -54,7 +63,6 @@ static inline char *realpath(const char *path, char *resolved_path)
/* FIXME: Remove NEED_CPU_H. */
#ifndef NEED_CPU_H
#include "config-host.h"
#include <setjmp.h>
#include "osdep.h"
#include "bswap.h"

1
slirp/socket.c
View File

@ -11,6 +11,7 @@
#ifdef __sun__
#include <sys/filio.h>
#endif
#include "qemu-common.h"
static void sofcantrcvmore(struct socket *so);
static void sofcantsendmore(struct socket *so);

8
slirp/socket.h
View File

@ -73,14 +73,6 @@ struct socket {
extern struct socket tcb;
#if defined(DECLARE_IOVEC) && !defined(HAVE_READV)
struct iovec {
char *iov_base;
size_t iov_len;
};
#endif
struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));
struct socket * socreate _P((void));
void sofree _P((struct socket *));