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[Qemu-devel] [PATCH v2 3/3] coroutine: adding configure option for sigal
From: |
Alex Barcelo |
Subject: |
[Qemu-devel] [PATCH v2 3/3] coroutine: adding configure option for sigaltstack coroutine backend |
Date: |
Tue, 28 Feb 2012 12:25:51 +0100 |
It's possible to use sigaltstack backend with --with-coroutine=sigaltstack
v2: changed from enable/disable configure flags
Signed-off-by: Alex Barcelo <address@hidden>
---
Makefile.objs | 4 ++++
configure | 6 +++++-
2 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/Makefile.objs b/Makefile.objs
index 808de6a..9dcd226 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -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
#######################################################################
diff --git a/configure b/configure
index 5a12c56..b473936 100755
--- a/configure
+++ b/configure
@@ -1099,7 +1099,7 @@ 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
@@ -2752,6 +2752,8 @@ 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 $coroutine"
@@ -3274,6 +3276,8 @@ fi
if test "$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
--
1.7.5.4