fixed blocking io emulation

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2090 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 5 insertions, 0 deletions

diff --git a/block-raw.c b/block-raw.c
index 14f4bd5b3c..adb3d39add 100644
--- a/block-raw.c
+++ b/block-raw.c
@@ -308,6 +308,11 @@ void qemu_aio_wait(void)
 {
     sigset_t set;
     int nb_sigs;
+
+#ifndef QEMU_TOOL
+    if (qemu_bh_poll())
+        return;
+#endif
     sigemptyset(&set);
     sigaddset(&set, aio_sig_num);
     sigwait(&set, &nb_sigs);