test_01_DeviceManager.py 文件源码

def getChildren(parentPid):
    process_listing = commands.getoutput('ls /proc').split('\n')
    children = []
    for entry in process_listing:
        try:
            filename = '/proc/'+entry+'/status'
            fp = open(filename,'r')
            stuff=fp.read()
            fp.close()
            rows = stuff.split('\n')
            for row in rows:
                if row[:4]=='PPid':
                    PPid = int(row.split(':')[1][1:])
                    if PPid == parentPid:
                        children.append(int(entry))
                        break
        except:
            continue
    return children