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bogomips.org is due to expire, soon, and I'm not willing to pay
extortionist fees to Ethos Capital/PIR/ICANN to keep a .org. So
it's at yhbt.net, for now, but it will change again to
whatever's affordable... Identity is overrated.
Tor users can use .onions and kick ICANN to the curb:
torsocks w3m http://cmogstored.ou63pmih66umazou.onion/
torsocks git clone http://ou63pmih66umazou.onion/cmogstored.git/
torsocks w3m http://ou63pmih66umazou.onion/cmogstored-public/
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copyrights updated by "update-copyright" in gnulib:
git ls-files | UPDATE_COPYRIGHT_HOLDER='all contributors' \
UPDATE_COPYRIGHT_USE_INTERVALS=2 \
xargs /path/to/gnulib/build-aux/update-copyright
While we're at it, SPDX seems to be the accepted way to identify
licenses nowadays, so lets use it.
git ls-files | xargs perl -i -p -e \
's,GPLv3 or later.*,GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>,g'
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git ls-files | UPDATE_COPYRIGHT_HOLDER='all contributors' \
UPDATE_COPYRIGHT_USE_INTERVALS=2 \
xargs /path/to/gnulib/build-aux/update-copyright
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While glibc supports ppoll, ppoll is not standardized and
apparently is not a cancellation point in some versions FreeBSD
based on Mykola Golub's bug report in
<20150309151851.GC2195@gmail.com>
Reported-by: Mykola Golub <trociny@FreeBSD.org>
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During the initial device scan, it is possible for the waiter to be
interrupted while awaiting cancellation. We must account for this
on all platforms regardless of whether pselect or ppoll is used.
Reported-by: Mykola Golub <trociny@FreeBSD.org>
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Via update-copyright in gnulib, also added a few copyrights
to non-trivial files.
git ls-files | UPDATE_COPYRIGHT_HOLDER='all contributors' \
UPDATE_COPYRIGHT_USE_INTERVALS=2 \
xargs /path/to/gnulib/build-aux/update-copyright
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In the future, we can use the update-copyright tool from gnulib:
git ls-files | UPDATE_COPYRIGHT_HOLDER='all contributors' \
UPDATE_COPYRIGHT_USE_INTERVALS=2 \
xargs /path/to/gnulib/build-aux/update-copyright
This project (nor any project I manage) has or ever will have have
copyright assignment. All contributors retain copyrights to their
contributions.
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Due to data/event loss, we cannot rely on normal syscalls
(accept/epoll_wait) being cancellation points. The benefits of
using a standardized API to terminate threads asynchronously are
lost when toggling cancellation flags.
This implementation allows us to be more explicit and obvious at the
few points where our worker threads may exit and reduces the amount
of code we have. By avoiding the calls to pthread_setcancelstate,
we should halve the number of atomic operations required in the
common case (where the thread is not marked for termination).
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Cancellation with epoll_wait, accept4 (and accept) may cause events
to be lost, as cancellation relies on signals anyways in glibc/Linux.
So instead, we use signaling ourselves and explicitly test for
cancellation only if we know we are interrupted and in a state where
a thread can safely be cancelled.
ref: http://mid.gmane.org/CAE2sS1gxQkqmcywQ07pmgNHM+CyqzMkuASVjmWDL+hgaTMURWQ@mail.gmail.com
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This should hopefully save a few cycles and reduce stack
usage slightly.
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We want to favor ppoll over pselect, since ppoll is a better
interface and we can have a slightly smaller binary with fewer
dependencies.
While we're at it, use mog_sleep(-1) as an alias for
mog_selfwake_wait to further reduce binary size.
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This will inform the user of why cmogstored may be slow
to start, since we need the mountlist to be populated at
startup.
We also throw a pthread_cancel() in there to load libgcc_s under
glibc, so we can avoid loading libgcc_s once we're under FD pressure.
This makes test/http_idle_expire.rb more reliable.
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gnulib did it for us in m4/gnulib-cache.m4, we'll match.
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Nuked old history since it was missing copyright/GPLv3 notices.
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