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12 Commits

Author SHA1 Message Date
Damien Miller 61a1a6af22 OS X poll(2) is broken; use compat replacement 
Darwin's poll(2) implementation is broken. For character-special
devices like /dev/null, it returns POLLNVAL when polled with
POLLIN.

Apparently this is Apple bug 3710161, which is AFAIK not public,
but a websearch will find other OSS projects rediscovering it
periodically since it was first identified in 2005 (!!)
 2022-01-12 09:02:36 +11:00
Darren Tucker 5a0f461904 Correct ifdef to activate poll() only if needed. 2021-11-28 15:31:37 +11:00
Darren Tucker b7ffbb17e3 Allow for fd = -1 in compat ppoll overflow check. 
Fixes tests on at least FreeBSD 6, possibly others.
 2021-11-19 18:54:34 +11:00
Darren Tucker d902d728df Correct calculation of tv_nsec in poll(). 2021-11-18 23:44:07 +11:00
Darren Tucker 21dd5a9a3f Add compat implementation of ppoll using pselect. 2021-11-18 23:11:37 +11:00
Darren Tucker 1e8013a17f Remove obsolete CVS $Id from source files. 
Since -portable switched to git the CVS $Id tags are no longer being
updated and are becoming increasingly misleading.  Remove them.
 2016-08-17 14:08:42 +10:00
Darren Tucker 8d36f9ac71 - (dtucker) [openbsd-compat/bsd-poll.c] Don't bother checking for non-NULL 
before freeing since free(NULL) is a no-op.  ok djm.
 2014-02-06 10:44:13 +11:00
Darren Tucker 8c333ec23b - (dtucker) [openbsd-compat/bsd-poll.c] Add headers to prevent compile 
warnings.
 2013-11-08 21:12:58 +11:00
Darren Tucker 661f63b7d2 - (dtucker) [openbsd-compat/bsd-poll.c] correctly check for number of FDs 
larger than FD_SETSIZE (OpenSSH only ever uses poll with one fd).  Patch
   from Nicholas Marriott.
 2008-08-30 07:32:37 +10:00
Damien Miller 55754fb002 - (djm) [openbsd-compat/bsd-poll.c] Include stdlib.h to avoid compile- 
time warnings on LynxOS. Patch from ops AT iki.fi
 2008-04-04 16:16:35 +11:00
Darren Tucker 7ec8733247 - (dtucker) [openbsd-compat/bsd-poll.c] We don't check for select(2) in 
configure (and there's not much point, as openssh won't work without it)
   so HAVE_SELECT is not defined and the poll(2) compat code doesn't get
   built in.  Remove HAVE_SELECT so we can build on platforms without poll.
 2008-02-29 13:57:47 +11:00
Darren Tucker febf0f5668 - (dtucker) [atomicio.c configure.ac openbsd-compat/Makefile.in 
openbsd-compat/bsd-poll.{c,h} openbsd-compat/openbsd-compat.h]
   Add an implementation of poll() built on top of select(2).  Code from
   OpenNTPD with changes suggested by djm.  ok djm@
 2007-06-25 22:15:12 +10:00