Current File : //usr/lib/node_modules/pm2/node_modules/pidusage/index.js
'use strict'
const stats = require('./lib/stats')
/**
* Get pid informations.
* @public
* @param {Number|Number[]|String|String[]} pids A pid or a list of pids.
* @param {Object} [options={}] Options object
* @param {Function} [callback=undefined] Called when the statistics are ready.
* If not provided a promise is returned instead.
* @returns {Promise.<Object>} Only when the callback is not provided.
*/
function pidusage (pids, options, callback) {
if (typeof options === 'function') {
callback = options
options = {}
}
if (options === undefined) {
options = {}
}
options = Object.assign({
usePs: process.env.PIDUSAGE_USE_PS,
maxage: process.env.PIDUSAGE_MAXAGE
}, options)
if (typeof callback === 'function') {
stats(pids, options, callback)
return
}
return new Promise(function (resolve, reject) {
stats(pids, options, function (err, data) {
if (err) return reject(err)
resolve(data)
})
})
}
module.exports = pidusage
module.exports.clear = require('./lib/history').clear
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