| Commit message (Collapse) | Author | Age |
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With the new reapers, we've seen some problems caused by the reaper
running after the taskq that they have to wait on (completion tasks
for aios) are destroyed. We need to make sure that we tear down major
subsystems in the correct order.
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This cleans up the pipe creation logic greatly, and eliminates
a nasty potential deadlock (lock-order incorrect.) It also
adds a corret binary exponential and randomized backoff on both
accept and connect.
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We closed a few subtle races in the AIO subsystem as well, and now
we were able to eliminate the separate timer handling the MQ code.
There appear to be some opportunities to further enhance the code
for MQs as well -- eventually probably the only access to MQs will
be with AIOs.
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This does a few things. First it closes some preexisting leaks.
Second it tightens the overall close logic so that we automatically
discard idhash resources (while keeping numeric values for next id
etc. around) when the last socket is closed. This then eliminates
the need for applications to ever explicitly terminate resources.
It turns out platform-specific resources established at nni_init()
time might still be leaked, but it's also the case that we now no
longer dynamically allocate anything at platform initialization time.
(This presumes that the platform doesn't do so under the hood when
creating critical sections or mutexes for example.)
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Platforms must seed the pRNGs by offering an nni_plat_seed_prng()
routine. Implementations for POSIX using various options (including
the /dev/urandom device) are supplied.
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code with uncrustify. (Minor adjustments.) No more arguments!
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The idea is that someday it will be possible to just concatenate the entire
set of source files into a single giant source file, for systems that
want to work this way. As a result, the build system now compiles every
file, although some of them will not have any definitions.
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