Issue #166 has been reported by Dave Thomas.
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Bug #166: Signal handling and sleep() don't work together
http://r
edmine.ruby-lang.org/issues/show/166
Author: Dave Thomas
Status: Open
Priority: Normal
Assigned to:
Category:
Target version:
Setting up a sleep seems to interfere with signal handlers.
The following code
trap("CLD") do
pid = Process.wait
puts "Child pid #: terminated"
end
exec("/bin/sh -c 'echo hello'") if fork.nil?
puts "start"
sleep 2
puts "done"
Outputs start/hello/done with no delay, and the trap never
fires. Replace the sleep with a gets, and the signal handler
gets invoked—it never writes “Child xxx terminated.”
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