qtest: don't report signals if qtest driver enabled

qtest driver always uses signals to kill qemu
no need to report it, whatever the accelerator state.

Add API to detect qtest driver, and suppress reporting
signals in this case.

Reported-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/qtest.c b/qtest.c
index dcf1301229..a738afc724 100644
--- a/qtest.c
+++ b/qtest.c
@@ -528,3 +528,8 @@ void qtest_init(const char *qtest_chrdev, const char *qtest_log)
 
     qtest_chr = chr;
 }
+
+bool qtest_driver(void)
+{
+    return qtest_chr;
+}