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master
Marc Alexander Lehmann 11 years ago
parent
commit
6c3eb1dab6
  1. 4
      Changes
  2. 8
      ev.c
  3. 6
      ev.pod
  4. 2
      ev_epoll.c
  5. 4
      ev_poll.c
  6. 2
      ev_port.c

4
Changes

@ -1,5 +1,9 @@
Revision history for libev, a high-performance and full-featured event loop.
TODO: signal mask problem documentation
TODO: ev_loop_wakeup
- do no rely on ceil() in ev_e?poll.c.
4.03 Tue Jan 11 14:37:25 CET 2011
- officially support polling files with all backends.
- support files, /dev/zero etc. the same way as select in the epoll

8
ev.c

@ -817,6 +817,14 @@ ev_sleep (ev_tstamp delay)
}
}
inline_speed int
ev_timeout_to_ms (ev_tstamp timeout)
{
int ms = timeout * 1000. + .999999;
return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
}
/*****************************************************************************/
#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */

6
ev.pod

@ -444,6 +444,9 @@ This behaviour is useful when you want to do your own signal handling, or
want to handle signals only in specific threads and want to avoid libev
unblocking the signals.
It's also required by POSIX in a threaded program, as libev calls
C<sigprocmask>, whose behaviour is officially unspecified.
This flag's behaviour will become the default in future versions of libev.
=item C<EVBACKEND_SELECT> (value 1, portable select backend)
@ -2302,7 +2305,8 @@ and unblock them in an C<ev_prepare> watcher.
Both the signal mask (C<sigprocmask>) and the signal disposition
(C<sigaction>) are unspecified after starting a signal watcher (and after
stopping it again), that is, libev might or might not block the signal,
and might or might not set or restore the installed signal handler.
and might or might not set or restore the installed signal handler (but
see C<EVFLAG_NOSIGMASK>).
While this does not matter for the signal disposition (libev never
sets signals to C<SIG_IGN>, so handlers will be reset to C<SIG_DFL> on

2
ev_epoll.c

@ -148,7 +148,7 @@ epoll_poll (EV_P_ ev_tstamp timeout)
/* the default libev max wait time, however. */
EV_RELEASE_CB;
eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax,
epoll_epermcnt ? 0 : (int)ceil (timeout * 1000.));
epoll_epermcnt ? 0 : ev_timeout_to_ms (timeout));
EV_ACQUIRE_CB;
if (expect_false (eventcnt < 0))

4
ev_poll.c

@ -1,7 +1,7 @@
/*
* libev poll fd activity backend
*
* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
@ -92,7 +92,7 @@ poll_poll (EV_P_ ev_tstamp timeout)
int res;
EV_RELEASE_CB;
res = poll (polls, pollcnt, (int)ceil (timeout * 1000.));
res = poll (polls, pollcnt, ev_timeout_to_ms (timeout));
EV_ACQUIRE_CB;
if (expect_false (res < 0))

2
ev_port.c

@ -1,7 +1,7 @@
/*
* libev solaris event port backend
*
* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-

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