motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 16:23:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

linux-user: add tee, splice and vmsplice

Browse source 
Add support for tee, splice and vmsplice.

Originally from: vibi sreenivasan <vibi_sreenivasan@cms.com>

Riku: squashed patches together, added a test to configure
and removed compliler warning by picking up correct type for
splice param

Signed-off-by: vibisreenivasan <vibi_sreenivasan@cms.com>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
This commit is contained in:
vibisreenivasan 2009-05-16 18:32:41 +05:30 • committed by Riku Voipio
parent 099d6b0fe9
commit 3ce34dfb42
2 changed files with 63 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

23
configure vendored
View file

@ -1322,6 +1322,26 @@ if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
pipe2=yes
fi
# check if tee/splice is there. vmsplice was added same time.
splice=no
cat > $TMPC << EOF
#define _GNU_SOURCE
#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
int main(void)
{
int len, fd;
len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
return 0;
}
EOF
if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
splice=yes
fi
# Check if tools are available to build documentation.
if test "$build_docs" = "yes" -a \( ! -x "`which texi2html 2>/dev/null`" -o ! -x "`which pod2man 2>/dev/null`" \) ; then
build_docs="no"
@ -1725,6 +1745,9 @@ fi
if test "$pipe2" = "yes" ; then
echo "#define CONFIG_PIPE2 1" >> $config_h
fi
if test "$splice" = "yes" ; then
echo "#define CONFIG_SPLICE 1" >> $config_h
fi
if test "$inotify" = "yes" ; then
echo "#define CONFIG_INOTIFY 1" >> $config_h
fi