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| author | Zac Medico <zmedico@gentoo.org> | 2012-11-22 04:23:20 -0800 |
|---|---|---|
| committer | Zac Medico <zmedico@gentoo.org> | 2012-11-22 04:23:20 -0800 |
| commit | 4cc3db2b37e3a0ee123f9c9c81aba56be543b383 (patch) | |
| tree | ca37b00da74d4096e38d18ab4a339b0f72c281ef | |
| parent | 2694610b1fcd2818e203936bf663c9c44f4e6ca7 (diff) | |
| download | portage-4cc3db2b37e3a0ee123f9c9c81aba56be543b383.tar.gz portage-4cc3db2b37e3a0ee123f9c9c81aba56be543b383.tar.bz2 portage-4cc3db2b37e3a0ee123f9c9c81aba56be543b383.zip | |
EventLoop: handle Linux 2.4 errno 38 for epoll
| -rw-r--r-- | pym/portage/util/_eventloop/EventLoop.py | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/pym/portage/util/_eventloop/EventLoop.py b/pym/portage/util/_eventloop/EventLoop.py index 15d4ef214..17a468f28 100644 --- a/pym/portage/util/_eventloop/EventLoop.py +++ b/pym/portage/util/_eventloop/EventLoop.py @@ -53,9 +53,28 @@ class EventLoop(object): self._timeout_handlers = {} self._timeout_interval = None + self._poll_obj = None try: select.epoll except AttributeError: + pass + else: + try: + epoll_obj = select.epoll() + except IOError: + # This happens with Linux 2.4 kernels: + # IOError: [Errno 38] Function not implemented + pass + else: + self._poll_obj = _epoll_adapter(epoll_obj) + self.IO_ERR = select.EPOLLERR + self.IO_HUP = select.EPOLLHUP + self.IO_IN = select.EPOLLIN + self.IO_NVAL = 0 + self.IO_OUT = select.EPOLLOUT + self.IO_PRI = select.EPOLLPRI + + if self._poll_obj is None: self._poll_obj = create_poll_instance() self.IO_ERR = PollConstants.POLLERR self.IO_HUP = PollConstants.POLLHUP @@ -63,14 +82,6 @@ class EventLoop(object): self.IO_NVAL = PollConstants.POLLNVAL self.IO_OUT = PollConstants.POLLOUT self.IO_PRI = PollConstants.POLLPRI - else: - self._poll_obj = _epoll_adapter(select.epoll()) - self.IO_ERR = select.EPOLLERR - self.IO_HUP = select.EPOLLHUP - self.IO_IN = select.EPOLLIN - self.IO_NVAL = 0 - self.IO_OUT = select.EPOLLOUT - self.IO_PRI = select.EPOLLPRI self._child_handlers = {} self._sigchld_read = None |