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author | Eric Wong <e@80x24.org> | 2018-12-13 10:08:30 +0000 |
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committer | Eric Wong <e@80x24.org> | 2018-12-13 10:08:30 +0000 |
commit | cbc0c9d4da3bc1a568b253b9ba4d20da6f7d86a6 (patch) | |
tree | a61cd185f9725902788a7a44999708b172c87026 | |
parent | 2ee9353fba7be5443db2ccdc3541586932ccf1f1 (diff) | |
download | yahns-cbc0c9d4da3bc1a568b253b9ba4d20da6f7d86a6.tar.gz |
We use eventfd whereever possible, but workers still require a pipe to the parent for death detection.
-rw-r--r-- | lib/yahns/worker.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/yahns/worker.rb b/lib/yahns/worker.rb index 9192803..1b65e3d 100644 --- a/lib/yahns/worker.rb +++ b/lib/yahns/worker.rb @@ -9,6 +9,14 @@ class Yahns::Worker # :nodoc: def initialize(nr) @nr = nr @to_io, @wr = Kgio::Pipe.new + + # Seems it's only alpha with a != 4K page size on Linux + begin + # F_SETPIPE_SZ = 1031, PAGE_SIZE = 4096 + @to_io.fcntl(1031, 4096) + rescue Errno::EINVAL + # old kernel + end if RUBY_PLATFORM =~ /\blinux\b/ && RUBY_PLATFORM !~ /alpha/ end def atfork_child |