[Qemu-devel] [PATCH v3 12/14] iotests.py: Allow concurrent qemu instances

[Max Reitz <mreitz@redhat.com>]

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 <mreitz@redhat.com>
---
 tests/qemu-iotests/iotests.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index b3c00dd..ef7e52f 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -157,10 +157,13 @@ def event_match(event, match=None):
 class VM(object):
     '''A QEMU VM'''
 
-    def __init__(self):
-        self._monitor_path = os.path.join(test_dir, 'qemu-mon.%d' % os.getpid())
-        self._qemu_log_path = os.path.join(test_dir, 'qemu-log.%d' % os.getpid())
-        self._qtest_path = os.path.join(test_dir, 'qemu-qtest.%d' % os.getpid())
+    def __init__(self, path_suffix=''):
+        self._monitor_path = os.path.join(test_dir, 'qemu-mon%s.%d' %
+                                                    (path_suffix, os.getpid()))
+        self._qemu_log_path = os.path.join(test_dir, 'qemu-log%s.%d' %
+                                                     (path_suffix, os.getpid()))
+        self._qtest_path = os.path.join(test_dir, 'qemu-qtest%s.%d' %
+                                                  (path_suffix, os.getpid()))
         self._args = qemu_args + ['-chardev',
                      'socket,id=mon,path=' + self._monitor_path,
                      '-mon', 'chardev=mon,mode=control',
-- 
2.8.0