first commit, 去掉大文件后新建的git库，和老库的提交17ce6ae一样

kill_psdk.py

@@ -0,0 +1,33 @@
+import os
+import sys
+import subprocess
+ 
+def get_process_id(name):
+    child = subprocess.Popen(["pgrep","-f",name],stdout=subprocess.PIPE,shell=False)
+    response = child.communicate()[0]
+    return response
+ 
+pids = get_process_id("psdk_demo")
+pids = pids.splitlines()
+print type(pids)
+print pids
+if not pids:
+    print "no target pid to kill,please check"
+    sys.exit(1)
+
+f=open('/media/nvme/300TC/programRunLog/djiLog/Number_of_runs.txt')
+signal=[]
+for line in f:
+    signal.append(line.strip())
+f.close()
+signal_int=int(signal[0])
+
+
+for pid in pids:
+    if (signal_int % 2) != 0:
+        result=os.system("kill -9 "+pid)
+        if result==0:
+            print "execute kill success"
+        else:
+             sys.exit(1)
+