utils.py 文件源码

def kill_pid(pid, procname='', daemon=True):
    '''Find a PID with optional qualifications and kill it.'''
    if pid not in psutil.pids():
        return False
    for p in psutil.process_iter():
        if p.pid != pid:
            continue
        if procname and p.name() != procname:
            continue
        if daemon and p.ppid() != 1:
            continue
        _kill_pid_object(p)
        return True
    return False

###########################################################################
# Some packages (nscd, nslcd) start their daemons after installation.
# If I'm in an ARM chroot, they live after the chroot exits.  Kill them.
# In a cascade situation, sometimes the /proc/<PID>/root link is changed
# to '/some/path (deleted)'.  This routine still works.