Commit fe91bfa8 authored by Alex Barcelo's avatar Alex Barcelo Committed by Kevin Wolf
Browse files

coroutine: adding configure option for sigaltstack coroutine backend 



It's possible to use sigaltstack backend with --with-coroutine=sigaltstack

v2: changed from enable/disable configure flags

Signed-off-by: default avatarAlex Barcelo <abarcelo@ac.upc.edu>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 519175a2

Makefile.objs

+4 −0
Original line number Diff line number Diff line
@@ -17,8 +17,12 @@ coroutine-obj-y += qemu-coroutine-sleep.o 
ifeq ($(CONFIG_UCONTEXT_COROUTINE),y)

coroutine-obj-$(CONFIG_POSIX) += coroutine-ucontext.o

else

ifeq ($(CONFIG_SIGALTSTACK_COROUTINE),y)

coroutine-obj-$(CONFIG_POSIX) += coroutine-sigaltstack.o

else

coroutine-obj-$(CONFIG_POSIX) += coroutine-gthread.o

endif

endif

coroutine-obj-$(CONFIG_WIN32) += coroutine-win32.o



#######################################################################

configure

+5 −1
Original line number Diff line number Diff line
@@ -1114,7 +1114,7 @@ echo " --enable-usb-redir enable usb network redirection support" 
echo "  --disable-guest-agent    disable building of the QEMU Guest Agent"

echo "  --enable-guest-agent     enable building of the QEMU Guest Agent"

echo "  --with-coroutine=BACKEND coroutine backend. Supported options:"

echo "                           gthread, ucontext, windows"

echo "                           gthread, ucontext, sigaltstack, windows"

echo ""

echo "NOTE: The object files are built at the place where configure is launched"

exit 1
@@ -2745,6 +2745,8 @@ elif test "$coroutine" = "gthread" ; then 
  coroutine_backend=gthread

elif test "$coroutine" = "windows" ; then

  coroutine_backend=windows

elif test "$coroutine" = "sigaltstack" ; then

  coroutine_backend=sigaltstack

else

  echo

  echo "Error: unknown coroutine backend $coroutine"
@@ -3269,6 +3271,8 @@ fi 


if test "$coroutine_backend" = "ucontext" ; then

  echo "CONFIG_UCONTEXT_COROUTINE=y" >> $config_host_mak

elif test "$coroutine_backend" = "sigaltstack" ; then

  echo "CONFIG_SIGALTSTACK_COROUTINE=y" >> $config_host_mak

fi



if test "$open_by_handle_at" = "yes" ; then