Commit Graph

15 Commits

Author SHA1 Message Date
Nick Mathewson
192ed94410 Use PTHREAD_CREATE_DETACHED macro instead of 1: fix Solaris crash
When calling pthread_attr_setdetachstate, we were using 1 as the
argument. But the pthreads documentation says that you have to say
PTHREAD_CREATE_DETACH, which on Solaris is apparently 0x40.  Calling
pthread_attr_setdetachstate with 1 crashes on Solaris with FLTBOUNDS.

(Because we're so late in the release cycle, I made the code define
PTHREAD_CREATE_DETACHED if it doesn't exist, so we aren't likely to
break any other platforms.)

This bug was introduced when we made threading mandatory in
0.2.6.1-alpha; previously, we had force-disabled threading on
Solaris.  See #9495 discussion.
2015-03-12 10:03:02 -04:00
Nick Mathewson
1fb9979eb8 Move a redundant _GNU_SOURCE to where it is not redundant 2015-01-22 14:18:10 -05:00
David Goulet
d684dbb0c7 Support monotonic time for pthread_cond_timedwait
This is to avoid that the pthread_cond_timedwait() is not affected by time
adjustment which could make the waiting period very long or very short which
is not what we want in any cases.

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
2015-01-21 14:29:12 -05:00
Nick Mathewson
3c8dabf69a Fix up some workqueue/threading issues spotted by dgoulet. 2015-01-21 12:26:41 -05:00
Nick Mathewson
ac5b70c700 handle EINTR in compat_*threads.c 2015-01-21 12:18:11 -05:00
Nick Mathewson
a52e549124 Update workqueue implementation to use a single queue for the work
Previously I used one queue per worker; now I use one queue for
everyone.  The "broadcast" code is gone, replaced with an idempotent
'update' operation.
2015-01-15 11:05:22 -05:00
Nick Mathewson
cc6529e9bb Fix check-spaces 2015-01-14 11:19:35 -05:00
Nick Mathewson
e47a90a976 "Recursive" locks, not "reentrant" locks. Duh. 2015-01-14 11:12:40 -05:00
Nick Mathewson
d69717f61b Use correct (absolute) time for pthread_cond_timedwait 2015-01-14 11:09:52 -05:00
Nick Mathewson
3868b5d210 Rename mutex_for_cond -> mutex_nonreentrant
We'll want to use these for other stuff too.
2015-01-14 11:05:56 -05:00
Nick Mathewson
b2db3fb462 Documentation for new workqueue and condition and locking stuff 2015-01-14 11:05:54 -05:00
Nick Mathewson
6c9363310a Specialize handling for mutexes allocated for condition variables
(These must not be reentrant mutexes with pthreads.)
2015-01-14 10:52:56 -05:00
Nick Mathewson
65016304d2 Add tor_cond_init/uninit 2015-01-14 10:49:59 -05:00
Nick Mathewson
e865248156 Add a timeout to tor_cond_wait; add tor_cond impl from libevent
The windows code may need some tweaks for it to compile; I've not
tested it yet.
2015-01-14 10:47:39 -05:00
Nick Mathewson
c2f0d52b7f Split threading-related code out of compat.c
Also, re-enable the #if'd out condition-variable code.

Work queues are going to make us hack on all of this stuff a bit more
closely, so it might not be a terrible idea to make it easier to hack.
2015-01-14 10:41:53 -05:00