We use eventfd whereever possible, but workers still require
a pipe to the parent for death detection.
---
lib/yahns/worker.rb | 8 ++++++++
1 file changed, 8 insertions(+)
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
--
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