60 lines
1.7 KiB
Swift
60 lines
1.7 KiB
Swift
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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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// Based on https://github.com/soh335/GetBSDProcessList
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import Foundation
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import Darwin
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public func GetBSDProcessList() -> ([kinfo_proc]?) {
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var done = false
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var result: [kinfo_proc]?
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var err: Int32
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repeat {
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let name = [CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0];
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let namePointer = name.withUnsafeBufferPointer { UnsafeMutablePointer<Int32>(mutating: $0.baseAddress) }
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var length: Int = 0
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err = sysctl(namePointer, u_int(name.count), nil, &length, nil, 0)
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if err == -1 {
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err = errno
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}
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if err == 0 {
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let count = length / MemoryLayout<kinfo_proc>.stride
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result = [kinfo_proc](repeating: kinfo_proc(), count: count)
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err = result!.withUnsafeMutableBufferPointer({ ( p: inout UnsafeMutableBufferPointer<kinfo_proc>) -> Int32 in
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return sysctl(namePointer, u_int(name.count), p.baseAddress, &length, nil, 0)
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})
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switch err {
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case 0:
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done = true
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case -1:
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err = errno
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case ENOMEM:
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err = 0
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default:
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fatalError()
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}
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}
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} while err == 0 && !done
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return result
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}
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