_pslinux.py 文件源码

def get_proc_inodes(self, pid):
        inodes = defaultdict(list)
        for fd in os.listdir("%s/%s/fd" % (self._procfs_path, pid)):
            try:
                inode = readlink("%s/%s/fd/%s" % (self._procfs_path, pid, fd))
            except OSError as err:
                # ENOENT == file which is gone in the meantime;
                # os.stat('/proc/%s' % self.pid) will be done later
                # to force NSP (if it's the case)
                if err.errno in (errno.ENOENT, errno.ESRCH):
                    continue
                elif err.errno == errno.EINVAL:
                    # not a link
                    continue
                else:
                    raise
            else:
                if inode.startswith('socket:['):
                    # the process is using a socket
                    inode = inode[8:][:-1]
                    inodes[inode].append((pid, int(fd)))
        return inodes