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Versions: 13
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Contents
module Libuv
class Check < Handle
define_callback function: :on_check
# @param loop [::Libuv::Loop] loop this check will be associated
# @param callback [Proc] callback to be called on loop check
def initialize(loop, callback = nil, &blk)
@loop = loop
@callback = callback || blk
check_ptr = ::Libuv::Ext.allocate_handle_check
error = check_result(::Libuv::Ext.check_init(loop.handle, check_ptr))
super(check_ptr, error)
end
# Enables the check handler.
def start
return if @closed
error = check_result ::Libuv::Ext.check_start(handle, callback(:on_check))
reject(error) if error
end
# Disables the check handler.
def stop
return if @closed
error = check_result ::Libuv::Ext.check_stop(handle)
reject(error) if error
end
# Used to update the callback that will be triggered on loop check
#
# @param callback [Proc] the callback to be called on loop check
def progress(callback = nil, &blk)
@callback = callback || blk
end
private
def on_check(handle)
begin
@callback.call
rescue Exception => e
@loop.log :error, :check_cb, e
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems