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[Qemu-block] [PULL 20/23] iotests.py: Allow concurrent qemu instances

From: Kevin Wolf
Subject: [Qemu-block] [PULL 20/23] iotests.py: Allow concurrent qemu instances
Date: Thu, 27 Oct 2016 20:09:04 +0200

From: Max Reitz <address@hidden>

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

Reviewed-by: Kevin Wolf <address@hidden>
Signed-off-by: Max Reitz <address@hidden>
Signed-off-by: Kevin Wolf <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,
         if debug:
             self._debug = True

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