[release/6.0-maui] Exclude the managed code around libproc on iOS/tvOS

src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.cs

@@ -84,7 +84,11 @@ public Process() { }
         public System.DateTime StartTime { get { throw null; } }
         public System.ComponentModel.ISynchronizeInvoke? SynchronizingObject { get { throw null; } set { } }
         public System.Diagnostics.ProcessThreadCollection Threads { get { throw null; } }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public System.TimeSpan TotalProcessorTime { get { throw null; } }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public System.TimeSpan UserProcessorTime { get { throw null; } }
         [System.ObsoleteAttribute("Process.VirtualMemorySize has been deprecated because the type of the property can't represent all valid results. Use System.Diagnostics.Process.VirtualMemorySize64 instead.")]
         public int VirtualMemorySize { get { throw null; } }
@@ -106,9 +110,17 @@ public static void EnterDebugMode() { }
         public static System.Diagnostics.Process GetCurrentProcess() { throw null; }
         public static System.Diagnostics.Process GetProcessById(int processId) { throw null; }
         public static System.Diagnostics.Process GetProcessById(int processId, string machineName) { throw null; }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public static System.Diagnostics.Process[] GetProcesses() { throw null; }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public static System.Diagnostics.Process[] GetProcesses(string machineName) { throw null; }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public static System.Diagnostics.Process[] GetProcessesByName(string? processName) { throw null; }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public static System.Diagnostics.Process[] GetProcessesByName(string? processName, string machineName) { throw null; }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
@@ -233,6 +245,8 @@ internal ProcessThread() { }
         public int IdealProcessor { set { } }
         public bool PriorityBoostEnabled { get { throw null; } set { } }
         public System.Diagnostics.ThreadPriorityLevel PriorityLevel { [System.Runtime.Versioning.SupportedOSPlatform("windows")] [System.Runtime.Versioning.SupportedOSPlatform("linux")] [System.Runtime.Versioning.SupportedOSPlatform("freebsd")] get { throw null; } [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")] set { } }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public System.TimeSpan PrivilegedProcessorTime { get { throw null; } }
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("windows")]
         public System.IntPtr ProcessorAffinity { set { } }
@@ -241,7 +255,11 @@ public System.IntPtr ProcessorAffinity { set { } }
         [System.Runtime.Versioning.SupportedOSPlatform("linux")]
         public System.DateTime StartTime { get { throw null; } }
         public System.Diagnostics.ThreadState ThreadState { get { throw null; } }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public System.TimeSpan TotalProcessorTime { get { throw null; } }
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
+        [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         public System.TimeSpan UserProcessorTime { get { throw null; } }
         public System.Diagnostics.ThreadWaitReason WaitReason { get { throw null; } }
         public void ResetIdealProcessor() { }

src/libraries/System.Diagnostics.Process/src/System.Diagnostics.Process.csproj

@@ -309,7 +309,7 @@
     <Compile Include="$(CommonPath)Interop\Unix\System.Native\Interop.SchedGetSetAffinity.cs"
              Link="Common\Interop\Linux\Interop.SchedGetSetAffinity.cs" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetsOSX)' == 'true' or '$(TargetsiOS)' == 'true' or '$(TargetstvOS)' == 'true'">
+  <ItemGroup Condition=" '$(TargetsOSX)' == 'true'">
     <Compile Include="System\Diagnostics\Process.BSD.cs" />
     <Compile Include="System\Diagnostics\Process.OSX.cs" />
     <Compile Include="System\Diagnostics\ProcessManager.BSD.cs" />
@@ -329,7 +329,7 @@
     <Compile Include="System\Diagnostics\ProcessManager.Win32.cs" />
     <Compile Include="System\Diagnostics\ProcessStartInfo.Win32.cs" />
   </ItemGroup>
-  <ItemGroup Condition="'$(TargetsAnyOS)' != 'true'">
+  <ItemGroup Condition="'$(TargetsAnyOS)' != 'true' and '$(TargetsiOS)' != 'true' and '$(TargetstvOS)' != 'true'">
     <Compile Include="System\Diagnostics\Process.NonUap.cs" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetsFreeBSD)' == 'true'">
@@ -345,6 +345,11 @@
     <Compile Include="$(CommonPath)Interop\FreeBSD\Interop.Process.GetProcInfo.cs"
              Link="Common\Interop\FreeBSD\Interop.Process.GetProcInfo.cs" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetsiOS)' == 'true' or '$(TargetstvOS)' == 'true'">
+    <Compile Include="System\Diagnostics\Process.iOS.cs" />
+    <Compile Include="System\Diagnostics\ProcessManager.iOS.cs" />
+    <Compile Include="System\Diagnostics\ProcessThread.iOS.cs" />
+  </ItemGroup>
   <ItemGroup Condition="'$(TargetsUnknownUnix)' == 'true'">
     <Compile Include="System\Diagnostics\Process.UnknownUnix.cs" />
     <Compile Include="System\Diagnostics\ProcessManager.UnknownUnix.cs" />

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.BSD.cs

@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.Runtime.Versioning;
 
 namespace System.Diagnostics
 {
@@ -12,6 +13,8 @@ public partial class Process
         /// Creates an array of <see cref="Process"/> components that are associated with process resources on a
         /// remote computer. These process resources share the specified process name.
         /// </summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static Process[] GetProcessesByName(string? processName, string machineName)
         {
             if (processName == null)

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Linux.cs

@@ -7,6 +7,7 @@
 using System.ComponentModel;
 using System.Globalization;
 using System.IO;
+using System.Runtime.Versioning;
 using System.Text;
 
 namespace System.Diagnostics
@@ -17,6 +18,8 @@ public partial class Process : IDisposable
         /// Creates an array of <see cref="Process"/> components that are associated with process resources on a
         /// remote computer. These process resources share the specified process name.
         /// </summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static Process[] GetProcessesByName(string? processName, string machineName)
         {
             ProcessManager.ThrowIfRemoteMachine(machineName);

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.UnknownUnix.cs

@@ -9,7 +9,7 @@ public partial class Process : IDisposable
         /// Creates an array of <see cref="Process"/> components that are associated with process resources on a
         /// remote computer. These process resources share the specified process name.
         /// </summary>
-        public static Process[] GetProcessesByName(string processName, string machineName)
+        public static Process[] GetProcessesByName(string? processName, string machineName)
         {
             throw new PlatformNotSupportedException();
         }
@@ -82,5 +82,6 @@ private string GetPathToOpenFile()
             throw new PlatformNotSupportedException();
         }
 
+        private int ParentProcessId => throw new PlatformNotSupportedException();
     }
 }

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Windows.cs

@@ -21,6 +21,8 @@ public partial class Process : IDisposable
         /// Creates an array of <see cref="Process"/> components that are associated with process resources on a
         /// remote computer. These process resources share the specified process name.
         /// </summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static Process[] GetProcessesByName(string? processName, string machineName)
         {
             if (processName == null)

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.cs

@@ -193,6 +193,8 @@ public bool HasExited
         }
 
         /// <summary>Gets the time the associated process was started.</summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public DateTime StartTime
         {
             get
@@ -1039,6 +1041,8 @@ public static Process GetProcessById(int processId)
         ///       local computer. These process resources share the specified process name.
         ///    </para>
         /// </devdoc>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static Process[] GetProcessesByName(string? processName)
         {
             return GetProcessesByName(processName, ".");
@@ -1050,6 +1054,8 @@ public static Process[] GetProcessesByName(string? processName)
         ///       component for each process resource on the local computer.
         ///    </para>
         /// </devdoc>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static Process[] GetProcesses()
         {
             return GetProcesses(".");
@@ -1062,6 +1068,8 @@ public static Process[] GetProcesses()
         ///       process resource on the specified computer.
         ///    </para>
         /// </devdoc>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static Process[] GetProcesses(string machineName)
         {
             bool isRemoteMachine = ProcessManager.IsRemoteMachine(machineName);

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.iOS.cs

@@ -0,0 +1,122 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Runtime.Versioning;
+
+namespace System.Diagnostics
+{
+    public partial class Process : IDisposable
+    {
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        public void Kill(bool entireProcessTree)
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>
+        /// Creates an array of <see cref="Process"/> components that are associated with process resources on a
+        /// remote computer. These process resources share the specified process name.
+        /// </summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        public static Process[] GetProcessesByName(string? processName, string machineName)
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>Gets the amount of time the process has spent running code inside the operating system core.</summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        public TimeSpan PrivilegedProcessorTime
+        {
+            get { throw new PlatformNotSupportedException(); }
+        }
+
+        /// <summary>Gets the time the associated process was started.</summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        internal DateTime StartTimeCore
+        {
+            get { throw new PlatformNotSupportedException(); }
+        }
+
+        /// <summary>
+        /// Gets the amount of time the associated process has spent utilizing the CPU.
+        /// It is the sum of the <see cref='System.Diagnostics.Process.UserProcessorTime'/> and
+        /// <see cref='System.Diagnostics.Process.PrivilegedProcessorTime'/>.
+        /// </summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        public TimeSpan TotalProcessorTime
+        {
+            get { throw new PlatformNotSupportedException(); }
+        }
+
+        /// <summary>
+        /// Gets the amount of time the associated process has spent running code
+        /// inside the application portion of the process (not the operating system core).
+        /// </summary>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        public TimeSpan UserProcessorTime
+        {
+            get { throw new PlatformNotSupportedException(); }
+        }
+
+        /// <summary>
+        /// Returns all immediate child processes.
+        /// </summary>
+        private IReadOnlyList<Process> GetChildProcesses(Process[]? processes = null)
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>Gets parent process ID</summary>
+        private int GetParentProcessId =>
+            throw new PlatformNotSupportedException();
+
+        /// <summary>
+        /// Gets or sets which processors the threads in this process can be scheduled to run on.
+        /// </summary>
+        private IntPtr ProcessorAffinityCore
+        {
+            get { throw new PlatformNotSupportedException(); }
+            set { throw new PlatformNotSupportedException(); }
+        }
+
+        /// <summary>
+        /// Make sure we have obtained the min and max working set limits.
+        /// </summary>
+        private void GetWorkingSetLimits(out IntPtr minWorkingSet, out IntPtr maxWorkingSet)
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>Sets one or both of the minimum and maximum working set limits.</summary>
+        /// <param name="newMin">The new minimum working set limit, or null not to change it.</param>
+        /// <param name="newMax">The new maximum working set limit, or null not to change it.</param>
+        /// <param name="resultingMin">The resulting minimum working set limit after any changes applied.</param>
+        /// <param name="resultingMax">The resulting maximum working set limit after any changes applied.</param>
+        private void SetWorkingSetLimitsCore(IntPtr? newMin, IntPtr? newMax, out IntPtr resultingMin, out IntPtr resultingMax)
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>Gets execution path</summary>
+        private string GetPathToOpenFile()
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        private int ParentProcessId => throw new PlatformNotSupportedException();
+
+        private static bool IsProcessInvalidException(Exception e) =>
+            // InvalidOperationException signifies conditions such as the process already being dead.
+            // Win32Exception signifies issues such as insufficient permissions to get details on the process.
+            // In either case, the predicate couldn't be applied so return the fallback result.
+            e is InvalidOperationException || e is Win32Exception;
+    }
+}

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/ProcessManager.Unix.cs

@@ -3,6 +3,7 @@
 
 using Microsoft.Win32.SafeHandles;
 using System.Collections.Generic;
+using System.Runtime.Versioning;
 using System.Text;
 
 namespace System.Diagnostics
@@ -44,6 +45,8 @@ public static bool IsProcessRunning(int processId)
         /// <summary>Gets the IDs of all processes on the specified machine.</summary>
         /// <param name="machineName">The machine to examine.</param>
         /// <returns>An array of process IDs from the specified machine.</returns>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
         public static int[] GetProcessIds(string machineName)
         {
             ThrowIfRemoteMachine(machineName);

src/libraries/System.Diagnostics.Process/src/System/Diagnostics/ProcessManager.iOS.cs

@@ -0,0 +1,39 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Runtime.Versioning;
+
+namespace System.Diagnostics
+{
+    internal static partial class ProcessManager
+    {
+        /// <summary>Gets the IDs of all processes on the current machine.</summary>
+        public static int[] GetProcessIds()
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>Gets process infos for each process on the specified machine.</summary>
+        /// <param name="machineName">The target machine.</param>
+        /// <returns>An array of process infos, one per found process.</returns>
+        [UnsupportedOSPlatform("ios")]
+        [UnsupportedOSPlatform("tvos")]
+        public static ProcessInfo[] GetProcessInfos(string machineName)
+        {
+            throw new PlatformNotSupportedException();
+        }
+
+        /// <summary>Gets an array of module infos for the specified process.</summary>
+        /// <param name="processId">The ID of the process whose modules should be enumerated.</param>
+        /// <returns>The array of modules.</returns>
+        internal static ProcessModuleCollection GetModules(int processId)
+        {
+            return new ProcessModuleCollection(0);
+        }
+
+        private static ProcessInfo CreateProcessInfo(int pid)
+        {
+            throw new PlatformNotSupportedException();
+        }
+    }
+}