42 lines
1.2 KiB
Swift
42 lines
1.2 KiB
Swift
//
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// ProcessInfo+JIT.swift
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// Delta
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//
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// Created by Riley Testut on 9/14/21.
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// Copyright © 2021 Riley Testut. All rights reserved.
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//
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import UIKit
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private let CS_OPS_STATUS: UInt32 = 0 /* OK */
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private let CS_DEBUGGED: UInt32 = 0x10000000 /* Process is or has been attached to debugger. */
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@_silgen_name("csops")
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func csops(_ pid: pid_t, _ ops: UInt32, _ useraddr: UnsafeMutableRawPointer?, _ usersize: Int) -> Int
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extension ProcessInfo
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{
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static var isJITDisabled = false
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var isDebugging: Bool {
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var flags: UInt32 = 0
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let result = csops(getpid(), CS_OPS_STATUS, &flags, MemoryLayout<UInt32>.size)
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let isDebugging = result == 0 && (flags & CS_DEBUGGED == CS_DEBUGGED)
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return isDebugging
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}
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var isJITAvailable: Bool {
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guard UIDevice.current.supportsJIT && !ProcessInfo.isJITDisabled else { return false }
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let ios14_4 = OperatingSystemVersion(majorVersion: 14, minorVersion: 4, patchVersion: 0)
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if #available(iOS 14.2, *), !ProcessInfo.processInfo.isOperatingSystemAtLeast(ios14_4)
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{
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// JIT is always available on supported devices running iOS 14.2 - 14.3.
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return true
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}
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return self.isDebugging
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}
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}
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