linux-user: Implement sendfile and sendfile64
Implement the sendfile and sendfile64 syscalls. This implementation
passes all the LTP test cases for these syscalls.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
diff --git a/configure b/configure
index 84317c6..a416e23 100755
--- a/configure
+++ b/configure
@@ -2760,6 +2760,20 @@
epoll_pwait=yes
fi
+# check for sendfile support
+sendfile=no
+cat > $TMPC << EOF
+#include <sys/sendfile.h>
+
+int main(void)
+{
+ return sendfile(0, 0, 0, 0);
+}
+EOF
+if compile_prog "" "" ; then
+ sendfile=yes
+fi
+
# Check if tools are available to build documentation.
if test "$docs" != "no" ; then
if has makeinfo && has pod2man; then
@@ -3628,6 +3642,9 @@
if test "$epoll_pwait" = "yes" ; then
echo "CONFIG_EPOLL_PWAIT=y" >> $config_host_mak
fi
+if test "$sendfile" = "yes" ; then
+ echo "CONFIG_SENDFILE=y" >> $config_host_mak
+fi
if test "$inotify" = "yes" ; then
echo "CONFIG_INOTIFY=y" >> $config_host_mak
fi
