[PATCH 1/7] NetTestCommand: add pid_exists method to NetTestCommand

[Jan Tluka]

Signed-off-by: Jan Tluka 
---
 lnst/Common/NetTestCommand.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lnst/Common/NetTestCommand.py b/lnst/Common/NetTestCommand.py
index 774c26e..b64186d 100644
--- a/lnst/Common/NetTestCommand.py
+++ b/lnst/Common/NetTestCommand.py
@@ -188,15 +188,18 @@ class NetTestCommand:
         self._finished = True
         self._control_cmd = cmd

+    def pid_exists(self):
+        return os.path.exists("/proc/%d" % self._pid)
+
     def interrupt(self, cmd):
         self._finished = True
-        if os.path.exists("/proc/%d" % self._pid):
+        if self.pid_exists():
             logging.debug("Interrupting background command with id "%s", pid "%d"" % (self._id, self._pid))
             os.killpg(os.getpgid(self._pid), signal.SIGINT)
         self._control_cmd = cmd

def kill(self, cmd):
-        if os.path.exists("/proc/%d" % self._pid):
+        if self.pid_exists():
             if self._id:
                 logging.debug("Killing background command with id "%s", pid "%d"" % (self._id, self._pid))
             else: