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HP-UX has no OPEN_MAX defined

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devpoll_t used this constant to determine how many events to
retrieve from the poller in one go. The implementation was
changed not to depend on this constant.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
This commit is contained in:
Martin Sustrik 2010-11-02 14:27:24 +01:00
parent de93f6359f
commit d4a41067d3
1 changed files with 6 additions and 5 deletions
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11
src/devpoll.cpp
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@ -136,10 +136,6 @@ void zmq::devpoll_t::stop ()
void zmq::devpoll_t::loop ()
{
// According to the poll(7d) man page, we can retrieve
// no more then (OPEN_MAX - 1) events.
int nfds = std::min ((int) max_io_events, OPEN_MAX - 1);
while (!stopping) {
struct pollfd ev_buf [max_io_events];
@ -153,8 +149,13 @@ void zmq::devpoll_t::loop ()
int timeout = (int) execute_timers ();
// Wait for events.
// On Solaris, we can retrieve no more then (OPEN_MAX - 1) events.
poll_req.dp_fds = &ev_buf [0];
poll_req.dp_nfds = nfds;
#if defined ZMQ_HAVE_SOLRIS
poll_req.dp_nfds = std::min ((int) max_io_events, OPEN_MAX - 1);
#else
poll_req.dp_nfds = max_io_events;
#endif
poll_req.dp_timeout = timeout ? timeout : -1;
int n = ioctl (devpoll_fd, DP_POLL, &poll_req);
if (n == -1 && errno == EINTR)