[Qemu-devel] [PATCH v4 10/12] iotests.py: Allow concurrent qemu instances

[Max Reitz]

By adding an optional suffix to the files used for communication with a
VM, we can launch multiple VM instances concurrently.

Signed-off-by: Max Reitz <address@hidden>
---
 tests/qemu-iotests/iotests.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 5a2678f..c589deb 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -140,8 +140,10 @@ def log(msg, filters=[]):
 class VM(qtest.QEMUQtestMachine):
     '''A QEMU VM'''
 
-    def __init__(self):
-        super(VM, self).__init__(qemu_prog, qemu_opts, test_dir=test_dir,
+    def __init__(self, path_suffix=''):
+        name = "qemu%s-%d" % (path_suffix, os.getpid())
+        super(VM, self).__init__(qemu_prog, qemu_opts, name=name,
+                                 test_dir=test_dir,
                                  socket_scm_helper=socket_scm_helper)
         if debug:
             self._debug = True
-- 
2.10.0