def memory_maps(self): def toaddr(start, end): return '%s-%s' % (hex(start)[2:].strip('L'), hex(end)[2:].strip('L')) retlist = [] rawlist = cext.proc_memory_maps(self.pid) hit_enoent = False for item in rawlist: addr, addrsize, perm, name, rss, anon, locked = item addr = toaddr(addr, addrsize) if not name.startswith('['): try: name = os.readlink('/proc/%s/path/%s' % (self.pid, name)) except OSError: err = sys.exc_info()[1] if err.errno == errno.ENOENT: # sometimes the link may not be resolved by # readlink() even if it exists (ls shows it). # If that's the case we just return the # unresolved link path. # This seems an incosistency with /proc similar # to: http://goo.gl/55XgO name = '/proc/%s/path/%s' % (self.pid, name) hit_enoent = True else: raise retlist.append((addr, perm, name, rss, anon, locked)) if hit_enoent: # raise NSP if the process disappeared on us os.stat('/proc/%s' % self.pid) return retlist