Constants
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Class Methods
lib/rubygems/core_ext/tcpsocket_init.rb
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# File tmp/rubies/ruby-3.4.0-preview1/lib/rubygems/core_ext/tcpsocket_init.rb, line 15
def initialize(host, serv, *rest)
mutex = Thread::Mutex.new
addrs = []
threads = []
cond_var = Thread::ConditionVariable.new
Addrinfo.foreach(host, serv, nil, :STREAM) do |addr|
Thread.report_on_exception = false
threads << Thread.new(addr) do
# give head start to ipv6 addresses
sleep IPV4_DELAY_SECONDS if addr.ipv4?
# raises Errno::ECONNREFUSED when ip:port is unreachable
Socket.tcp(addr.ip_address, serv, connect_timeout: CONNECTION_TIMEOUT).close
mutex.synchronize do
addrs << addr.ip_address
cond_var.signal
end
end
end
mutex.synchronize do
timeout_time = CONNECTION_TIMEOUT + Time.now.to_f
while addrs.empty? && (remaining_time = timeout_time - Time.now.to_f) > 0
cond_var.wait(mutex, remaining_time)
end
host = addrs.shift unless addrs.empty?
end
threads.each {|t| t.kill.join if t.alive? }
super(host, serv, *rest)
end
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