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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/pstree.remy/lib/tree.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/pstree.remy/lib/tree.js')
-rw-r--r-- | node_modules/pstree.remy/lib/tree.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/pstree.remy/lib/tree.js b/node_modules/pstree.remy/lib/tree.js new file mode 100644 index 0000000..bac7cce --- /dev/null +++ b/node_modules/pstree.remy/lib/tree.js @@ -0,0 +1,37 @@ +const spawn = require('child_process').spawn; + +module.exports = function (rootPid, callback) { + const pidsOfInterest = new Set([parseInt(rootPid, 10)]); + var output = ''; + + // *nix + const ps = spawn('ps', ['-A', '-o', 'ppid,pid']); + ps.stdout.on('data', (data) => { + output += data.toString('ascii'); + }); + + ps.on('close', () => { + try { + const res = output + .split('\n') + .slice(1) + .map((_) => _.trim()) + .reduce((acc, line) => { + const pids = line.split(/\s+/); + const ppid = parseInt(pids[0], 10); + + if (pidsOfInterest.has(ppid)) { + const pid = parseInt(pids[1], 10); + acc.push(pid); + pidsOfInterest.add(pid); + } + + return acc; + }, []); + + callback(null, res); + } catch (e) { + callback(e, null); + } + }); +}; |