'use strict'
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var stats = require('./lib/stats')
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/**
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* Get pid informations.
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* @public
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* @param {Number|Number[]|String|String[]} pids A pid or a list of pids.
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* @param {Object} [options={}] Options object
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* @param {Function} [callback=undefined] Called when the statistics are ready.
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* If not provided a promise is returned instead.
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* @returns {Promise.<Object>} Only when the callback is not provided.
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*/
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function pidusage (pids, options, callback) {
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if (typeof options === 'function') {
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callback = options
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options = {}
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}
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if (options === undefined) {
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options = {}
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}
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if (typeof callback === 'function') {
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stats(pids, options, callback)
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return
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}
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return new Promise(function (resolve, reject) {
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stats(pids, options, function (err, data) {
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if (err) return reject(err)
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resolve(data)
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})
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})
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}
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module.exports = pidusage
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module.exports.clear = require('./lib/history').clear
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