openethereum/mac/Parity/GetBSDProcessList.swift
Denis S. Soldatov aka General-Beck 9abc6bd7d1
Gitlab stable
update gitlab build script from master

Signed-off-by: Denis S. Soldatov aka General-Beck <general.beck@gmail.com>
2018-01-23 03:01:42 +03:00

60 lines
1.7 KiB
Swift

// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
// Based on https://github.com/soh335/GetBSDProcessList
import Foundation
import Darwin
public func GetBSDProcessList() -> ([kinfo_proc]?) {
var done = false
var result: [kinfo_proc]?
var err: Int32
repeat {
let name = [CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0];
let namePointer = name.withUnsafeBufferPointer { UnsafeMutablePointer<Int32>(mutating: $0.baseAddress) }
var length: Int = 0
err = sysctl(namePointer, u_int(name.count), nil, &length, nil, 0)
if err == -1 {
err = errno
}
if err == 0 {
let count = length / MemoryLayout<kinfo_proc>.stride
result = [kinfo_proc](repeating: kinfo_proc(), count: count)
err = result!.withUnsafeMutableBufferPointer({ ( p: inout UnsafeMutableBufferPointer<kinfo_proc>) -> Int32 in
return sysctl(namePointer, u_int(name.count), p.baseAddress, &length, nil, 0)
})
switch err {
case 0:
done = true
case -1:
err = errno
case ENOMEM:
err = 0
default:
fatalError()
}
}
} while err == 0 && !done
return result
}