Sha256: 97d3fe1b3cb31d5a636235148d286e19330efda570645176b5e38019d8fbf26a
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Size: 972 Bytes
Versions: 7
Compression:
Stored size: 972 Bytes
Contents
module Bixby
module Signal
# Helper for trapping signals and handling them via a dedicated thread
#
# @param [String] *signals Signals to trap either as a space-separate string or array
# @param [Block] block Callback when signal is trapped
#
# @return [Thread]
def self.trap(*signals, &block)
sigs = signals.flatten.map{ |s| s.split(/[\s,]/) }.flatten.sort.uniq
trap_r, trap_w = IO.pipe
# handle signals from a dedicated thread
handler_thread = Thread.new do
while true
sig = trap_r.readline.strip
Thread.new do
block.call(sig)
end
end
end
sigs.each do |sig|
Kernel.trap(sig) do
if handler_thread && handler_thread.alive? then
# don't bother writing if the thread is dead
trap_w.puts(sig)
end
end
end
return handler_thread
end # trap
end
end
Version data entries
7 entries across 7 versions & 1 rubygems