mcs/class/System/System.Diagnostics/Process.cs

   1 //
   2 // System.Diagnostics.Process.cs
   3 //
   4 // Authors:
   5 //      Dick Porter (dick@ximian.com)
   6 //      Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   8 //
   9 // (C) 2002 Ximian, Inc.
  10 // (C) 2003 Andreas Nahr
  11 // (c) 2004,2005,2006 Novell, Inc. (http://www.novell.com)
  12 //
  13
  14 //
  15 // Permission is hereby granted, free of charge, to any person obtaining
  16 // a copy of this software and associated documentation files (the
  17 // "Software"), to deal in the Software without restriction, including
  18 // without limitation the rights to use, copy, modify, merge, publish,
  19 // distribute, sublicense, and/or sell copies of the Software, and to
  20 // permit persons to whom the Software is furnished to do so, subject to
  21 // the following conditions:
  22 //
  23 // The above copyright notice and this permission notice shall be
  24 // included in all copies or substantial portions of the Software.
  25 //
  26 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  30 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  31 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  32 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33 //
  34
  35 using System.IO;
  36 using System.Text;
  37 using System.Collections;
  38 using System.ComponentModel;
  39 using System.ComponentModel.Design;
  40 using System.Runtime.CompilerServices;
  41 using System.Runtime.InteropServices;
  42 using System.Runtime.Remoting.Messaging;
  43 using System.Security.Permissions;
  44 using System.Collections.Generic;
  45 using System.Security;
  46 using System.Threading;
  47 using Microsoft.Win32;
  48 using Microsoft.Win32.SafeHandles;
  49
  50 namespace System.Diagnostics
  51 {
  52         public partial class Process : Component
  53         {
  54                 [StructLayout(LayoutKind.Sequential)]
  55                 private struct ProcInfo
  56                 {
  57                         public IntPtr process_handle;
  58                         /* If thread_handle is ever needed for
  59                          * something, take out the CloseHandle() in
  60                          * the Start_internal icall in
  61                          * mono/metadata/process.c
  62                          */
  63                         public IntPtr thread_handle;
  64                         public int pid; // Contains -GetLastError () on failure.
  65                         public int tid;
  66                         public string[] envVariables;
  67                         public string UserName;
  68                         public string Domain;
  69                         public IntPtr Password;
  70                         public bool LoadUserProfile;
  71                 };
  72
  73                 string process_name;
  74
  75                 /* Private constructor called from other methods */
  76                 private Process (SafeProcessHandle handle, int id) {
  77                         SetProcessHandle (handle);
  78                         SetProcessId (id);
  79                 }
  80
  81                 [MonoTODO]
  82                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  83                 [MonitoringDescription ("Base process priority.")]
  84                 public int BasePriority {
  85                         get { return 0; }
  86                 }
  87
  88                 [MonoTODO]
  89                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  90                 [MonitoringDescription ("Handles for this process.")]
  91                 public int HandleCount {
  92                         get {
  93                                 return(0);
  94                         }
  95                 }
  96
  97                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden), Browsable (false)]
  98                 [MonitoringDescription ("The main module of the process.")]
  99                 public ProcessModule MainModule {
 100                         get {
 101                                 return(this.Modules[0]);
 102                         }
 103                 }
 104
 105                 [MonoTODO]
 106                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 107                 [MonitoringDescription ("The handle of the main window of the process.")]
 108                 public IntPtr MainWindowHandle {
 109                         get {
 110                                 return((IntPtr)0);
 111                         }
 112                 }
 113
 114                 [MonoTODO]
 115                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 116                 [MonitoringDescription ("The title of the main window of the process.")]
 117                 public string MainWindowTitle {
 118                         get {
 119                                 return("null");
 120                         }
 121                 }
 122
 123                 /* Returns the list of process modules.  The main module is
 124                  * element 0.
 125                  */
 126                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 127                 private extern ProcessModule[] GetModules_internal(IntPtr handle);
 128
 129                 ProcessModule[] GetModules_internal (SafeProcessHandle handle)
 130                 {
 131                         bool release = false;
 132                         try {
 133                                 handle.DangerousAddRef (ref release);
 134                                 return GetModules_internal (handle.DangerousGetHandle ());
 135                         } finally {
 136                                 if (release)
 137                                         handle.DangerousRelease ();
 138                         }
 139                 }
 140
 141                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden), Browsable (false)]
 142                 [MonitoringDescription ("The modules that are loaded as part of this process.")]
 143                 public ProcessModuleCollection Modules {
 144                         get {
 145                                 if (modules == null) {
 146                                         SafeProcessHandle handle = null;
 147                                         try {
 148                                                 handle = GetProcessHandle (NativeMethods.PROCESS_QUERY_INFORMATION);
 149                                                 modules = new ProcessModuleCollection (GetModules_internal (handle));
 150                                         } finally {
 151                                                 ReleaseProcessHandle (handle);
 152                                         }
 153                                 }
 154
 155                                 return modules;
 156                         }
 157                 }
 158
 159                 /* data type is from the MonoProcessData enum in mono-proclib.h in the runtime */
 160                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 161                 private extern static long GetProcessData (int pid, int data_type, out int error);
 162
 163                 [MonoTODO]
 164                 [Obsolete ("Use NonpagedSystemMemorySize64")]
 165                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 166                 [MonitoringDescription ("The number of bytes that are not pageable.")]
 167                 public int NonpagedSystemMemorySize {
 168                         get {
 169                                 return(0);
 170                         }
 171                 }
 172
 173                 [Obsolete ("Use PagedMemorySize64")]
 174                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 175                 [MonitoringDescription ("The number of bytes that are paged.")]
 176                 public int PagedMemorySize {
 177                         get {
 178                                 return(int)PagedMemorySize64;
 179                         }
 180                 }
 181
 182                 [Obsolete ("Use PagedSystemMemorySize64")]
 183                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 184                 [MonitoringDescription ("The amount of paged system memory in bytes.")]
 185                 public int PagedSystemMemorySize {
 186                         get {
 187                                 return(int)PagedMemorySize64;
 188                         }
 189                 }
 190
 191                 [MonoTODO]
 192                 [Obsolete ("Use PeakPagedMemorySize64")]
 193                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 194                 [MonitoringDescription ("The maximum amount of paged memory used by this process.")]
 195                 public int PeakPagedMemorySize {
 196                         get {
 197                                 return(0);
 198                         }
 199                 }
 200
 201                 [Obsolete ("Use PeakVirtualMemorySize64")]
 202                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 203                 [MonitoringDescription ("The maximum amount of virtual memory used by this process.")]
 204                 public int PeakVirtualMemorySize {
 205                         get {
 206                                 int error;
 207                                 return (int)GetProcessData (processId, 8, out error);
 208                         }
 209                 }
 210
 211                 [Obsolete ("Use PeakWorkingSet64")]
 212                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 213                 [MonitoringDescription ("The maximum amount of system memory used by this process.")]
 214                 public int PeakWorkingSet {
 215                         get {
 216                                 int error;
 217                                 return (int)GetProcessData (processId, 5, out error);
 218                         }
 219                 }
 220
 221                 [MonoTODO]
 222                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 223                 [MonitoringDescription ("The number of bytes that are not pageable.")]
 224                 [ComVisible (false)]
 225                 public long NonpagedSystemMemorySize64 {
 226                         get {
 227                                 return(0);
 228                         }
 229                 }
 230
 231                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 232                 [MonitoringDescription ("The number of bytes that are paged.")]
 233                 [ComVisible (false)]
 234                 public long PagedMemorySize64 {
 235                         get {
 236                                 int error;
 237                                 return GetProcessData (processId, 12, out error);
 238                         }
 239                 }
 240
 241                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 242                 [MonitoringDescription ("The amount of paged system memory in bytes.")]
 243                 [ComVisible (false)]
 244                 public long PagedSystemMemorySize64 {
 245                         get {
 246                                 return PagedMemorySize64;
 247                         }
 248                 }
 249
 250                 [MonoTODO]
 251                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 252                 [MonitoringDescription ("The maximum amount of paged memory used by this process.")]
 253                 [ComVisible (false)]
 254                 public long PeakPagedMemorySize64 {
 255                         get {
 256                                 return(0);
 257                         }
 258                 }
 259
 260                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 261                 [MonitoringDescription ("The maximum amount of virtual memory used by this process.")]
 262                 [ComVisible (false)]
 263                 public long PeakVirtualMemorySize64 {
 264                         get {
 265                                 int error;
 266                                 return GetProcessData (processId, 8, out error);
 267                         }
 268                 }
 269
 270                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 271                 [MonitoringDescription ("The maximum amount of system memory used by this process.")]
 272                 [ComVisible (false)]
 273                 public long PeakWorkingSet64 {
 274                         get {
 275                                 int error;
 276                                 return GetProcessData (processId, 5, out error);
 277                         }
 278                 }
 279
 280                 [MonoTODO]
 281                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 282                 [MonitoringDescription ("Process will be of higher priority while it is actively used.")]
 283                 public bool PriorityBoostEnabled {
 284                         get {
 285                                 return(false);
 286                         }
 287                         set {
 288                         }
 289                 }
 290
 291                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 292                 [MonitoringDescription ("The amount of memory exclusively used by this process.")]
 293                 [Obsolete ("Use PrivateMemorySize64")]
 294                 public int PrivateMemorySize {
 295                         get {
 296                                 int error;
 297                                 return (int)GetProcessData (processId, 6, out error);
 298                         }
 299                 }
 300
 301                 [MonoNotSupported ("")]
 302                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 303                 [MonitoringDescription ("The session ID for this process.")]
 304                 public int SessionId {
 305                         get { return 0; }
 306                 }
 307
 308                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 309                 private extern static string ProcessName_internal(IntPtr handle);
 310
 311                 static string ProcessName_internal(SafeProcessHandle handle)
 312                 {
 313                         bool release = false;
 314                         try {
 315                                 handle.DangerousAddRef (ref release);
 316                                 return ProcessName_internal (handle.DangerousGetHandle ());
 317                         } finally {
 318                                 if (release)
 319                                         handle.DangerousRelease ();
 320                         }
 321                 }
 322
 323                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 324                 [MonitoringDescription ("The name of this process.")]
 325                 public string ProcessName {
 326                         get {
 327                                 if (process_name == null) {
 328                                         SafeProcessHandle handle = null;
 329                                         try {
 330                                                 handle = GetProcessHandle (NativeMethods.PROCESS_QUERY_INFORMATION);
 331
 332                                                 process_name = ProcessName_internal (handle);
 333
 334                                                 /* If process_name is _still_ null, assume the process has exited */
 335                                                 if (process_name == null)
 336                                                         throw new InvalidOperationException ("Process has exited, so the requested information is not available.");
 337
 338                                                 /* Strip the suffix (if it exists) simplistically instead of removing
 339                                                  * any trailing \.???, so we dont get stupid results on sane systems */
 340                                                 if(process_name.EndsWith(".exe") || process_name.EndsWith(".bat") || process_name.EndsWith(".com"))
 341                                                         process_name = process_name.Substring (0, process_name.Length - 4);
 342                                         } finally {
 343                                                 ReleaseProcessHandle (handle);
 344                                         }
 345                                 }
 346                                 return process_name;
 347                         }
 348                 }
 349
 350                 [MonoTODO]
 351                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 352                 [MonitoringDescription ("Allowed processor that can be used by this process.")]
 353                 public IntPtr ProcessorAffinity {
 354                         get {
 355                                 return((IntPtr)0);
 356                         }
 357                         set {
 358                         }
 359                 }
 360
 361                 [MonoTODO]
 362                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 363                 [MonitoringDescription ("Is this process responsive.")]
 364                 public bool Responding {
 365                         get {
 366                                 return(false);
 367                         }
 368                 }
 369
 370 #if !MONO_FEATURE_PROCESS_START
 371                 [Obsolete ("Process.StartInfo is not supported on the current platform.", true)]
 372                 public ProcessStartInfo StartInfo {
 373                         get { throw new PlatformNotSupportedException ("Process.StartInfo is not supported on the current platform."); }
 374                         set { throw new PlatformNotSupportedException ("Process.StartInfo is not supported on the current platform."); }
 375                 }
 376
 377                 [Obsolete ("Process.StandardError is not supported on the current platform.", true)]
 378                 public StreamReader StandardError {
 379                         get { throw new PlatformNotSupportedException ("Process.StandardError is not supported on the current platform."); }
 380                 }
 381
 382                 [Obsolete ("Process.StandardInput is not supported on the current platform.", true)]
 383                 public StreamWriter StandardInput {
 384                         get { throw new PlatformNotSupportedException ("Process.StandardInput is not supported on the current platform."); }
 385                 }
 386
 387                 [Obsolete ("Process.StandardOutput is not supported on the current platform.", true)]
 388                 public StreamReader StandardOutput {
 389                         get { throw new PlatformNotSupportedException ("Process.StandardOutput is not supported on the current platform."); }
 390                 }
 391 #endif // !MONO_FEATURE_PROCESS_START
 392
 393                 [MonoTODO]
 394                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 395                 [MonitoringDescription ("The number of threads of this process.")]
 396                 public ProcessThreadCollection Threads {
 397                         get {
 398                                 if (threads == null) {
 399                                         int error;
 400                                         // This'll return a correctly-sized array of empty ProcessThreads for now.
 401                                         threads = new ProcessThreadCollection(new ProcessThread [GetProcessData (processId, 0, out error)]);
 402                                 }
 403
 404                                 return threads;
 405                         }
 406                 }
 407
 408                 [Obsolete ("Use VirtualMemorySize64")]
 409                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 410                 [MonitoringDescription ("The amount of virtual memory currently used for this process.")]
 411                 public int VirtualMemorySize {
 412                         get {
 413                                 int error;
 414                                 return (int)GetProcessData (processId, 7, out error);
 415                         }
 416                 }
 417
 418                 [Obsolete ("Use WorkingSet64")]
 419                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 420                 [MonitoringDescription ("The amount of physical memory currently used for this process.")]
 421                 public int WorkingSet {
 422                         get {
 423                                 int error;
 424                                 return (int)GetProcessData (processId, 4, out error);
 425                         }
 426                 }
 427
 428                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 429                 [MonitoringDescription ("The amount of memory exclusively used by this process.")]
 430                 [ComVisible (false)]
 431                 public long PrivateMemorySize64 {
 432                         get {
 433                                 int error;
 434                                 return GetProcessData (processId, 6, out error);
 435                         }
 436                 }
 437
 438                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 439                 [MonitoringDescription ("The amount of virtual memory currently used for this process.")]
 440                 [ComVisible (false)]
 441                 public long VirtualMemorySize64 {
 442                         get {
 443                                 int error;
 444                                 return GetProcessData (processId, 7, out error);
 445                         }
 446                 }
 447
 448                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 449                 [MonitoringDescription ("The amount of physical memory currently used for this process.")]
 450                 [ComVisible (false)]
 451                 public long WorkingSet64 {
 452                         get {
 453                                 int error;
 454                                 return GetProcessData (processId, 4, out error);
 455                         }
 456                 }
 457
 458                 public bool CloseMainWindow ()
 459                 {
 460                         SafeProcessHandle handle = null;
 461                         try {
 462                                 handle = GetProcessHandle (NativeMethods.PROCESS_TERMINATE);
 463                                 return NativeMethods.TerminateProcess(handle, -2);
 464                         } finally {
 465                                 ReleaseProcessHandle(handle);
 466                         }
 467                 }
 468
 469                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 470                 private extern static IntPtr GetProcess_internal(int pid);
 471
 472                 [MonoTODO ("There is no support for retrieving process information from a remote machine")]
 473                 public static Process GetProcessById(int processId, string machineName) {
 474                         if (machineName == null)
 475                                 throw new ArgumentNullException ("machineName");
 476
 477                         if (!IsLocalMachine (machineName))
 478                                 throw new NotImplementedException ();
 479
 480                         IntPtr proc = GetProcess_internal(processId);
 481
 482                         if (proc == IntPtr.Zero)
 483                                 throw new ArgumentException ("Can't find process with ID " + processId.ToString ());
 484
 485                         return (new Process (new SafeProcessHandle (proc, false), processId));
 486                 }
 487
 488                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 489                 private extern static int[] GetProcesses_internal();
 490
 491                 [MonoTODO ("There is no support for retrieving process information from a remote machine")]
 492                 public static Process[] GetProcesses(string machineName) {
 493                         if (machineName == null)
 494                                 throw new ArgumentNullException ("machineName");
 495
 496                         if (!IsLocalMachine (machineName))
 497                                 throw new NotImplementedException ();
 498
 499                         int [] pids = GetProcesses_internal ();
 500                         if (pids == null)
 501                                 return new Process [0];
 502
 503                         var proclist = new List<Process> (pids.Length);
 504                         for (int i = 0; i < pids.Length; i++) {
 505                                 try {
 506                                         proclist.Add (GetProcessById (pids [i]));
 507                                 } catch (SystemException) {
 508                                         /* The process might exit
 509                                          * between
 510                                          * GetProcesses_internal and
 511                                          * GetProcessById
 512                                          */
 513                                 }
 514                         }
 515
 516                         return proclist.ToArray ();
 517                 }
 518
 519                 private static bool IsLocalMachine (string machineName)
 520                 {
 521                         if (machineName == "." || machineName.Length == 0)
 522                                 return true;
 523
 524                         return (string.Compare (machineName, Environment.MachineName, true) == 0);
 525                 }
 526
 527 #if MONO_FEATURE_PROCESS_START
 528                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 529                 private extern static bool ShellExecuteEx_internal(ProcessStartInfo startInfo, ref ProcInfo procInfo);
 530
 531                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 532                 private extern static bool CreateProcess_internal(ProcessStartInfo startInfo, IntPtr stdin, IntPtr stdout, IntPtr stderr, ref ProcInfo procInfo);
 533
 534                 bool StartWithShellExecuteEx (ProcessStartInfo startInfo)
 535                 {
 536                         if (this.disposed)
 537                                 throw new ObjectDisposedException (GetType ().Name);
 538
 539                         if (!String.IsNullOrEmpty(startInfo.UserName) || (startInfo.Password != null))
 540                                 throw new InvalidOperationException(SR.GetString(SR.CantStartAsUser));
 541
 542                         if (startInfo.RedirectStandardInput || startInfo.RedirectStandardOutput || startInfo.RedirectStandardError)
 543                                 throw new InvalidOperationException(SR.GetString(SR.CantRedirectStreams));
 544
 545                         if (startInfo.StandardErrorEncoding != null)
 546                                 throw new InvalidOperationException(SR.GetString(SR.StandardErrorEncodingNotAllowed));
 547
 548                         if (startInfo.StandardOutputEncoding != null)
 549                                 throw new InvalidOperationException(SR.GetString(SR.StandardOutputEncodingNotAllowed));
 550
 551                         // can't set env vars with ShellExecuteEx...
 552                         if (startInfo.environmentVariables != null)
 553                                 throw new InvalidOperationException(SR.GetString(SR.CantUseEnvVars));
 554
 555                         ProcInfo procInfo = new ProcInfo();
 556                         bool ret;
 557
 558                         FillUserInfo (startInfo, ref procInfo);
 559                         try {
 560                                 ret = ShellExecuteEx_internal (startInfo, ref procInfo);
 561                         } finally {
 562                                 if (procInfo.Password != IntPtr.Zero)
 563                                         Marshal.ZeroFreeBSTR (procInfo.Password);
 564                                 procInfo.Password = IntPtr.Zero;
 565                         }
 566                         if (!ret) {
 567                                 throw new Win32Exception (-procInfo.pid);
 568                         }
 569
 570                         SetProcessHandle (new SafeProcessHandle (procInfo.process_handle, true));
 571                         SetProcessId (procInfo.pid);
 572
 573                         return ret;
 574                 }
 575
 576                 //
 577                 // Creates a pipe with read and write descriptors
 578                 //
 579                 static void CreatePipe (out IntPtr read, out IntPtr write, bool writeDirection)
 580                 {
 581                         MonoIOError error;
 582
 583                         //
 584                         // Creates read/write pipe from parent -> child perspective
 585                         // a child process uses same descriptors after fork. That's
 586                         // 4 descriptors in total where only 2. One in child, one in parent
 587                         // should be active and the other 2 closed. Which ones depends on
 588                         // comunication direction
 589                         //
 590                         // parent  -------->  child   (parent can write, child can read)
 591                         //
 592                         // read: closed       read: used
 593                         // write: used        write: closed
 594                         //
 595                         //
 596                         // parent  <--------  child   (parent can read, child can write)
 597                         //
 598                         // read: used         read: closed
 599                         // write: closed      write: used
 600                         //
 601                         // It can still be tricky for predefined descriptiors http://unixwiz.net/techtips/remap-pipe-fds.html
 602                         //
 603                         if (!MonoIO.CreatePipe (out read, out write, out error))
 604                                 throw MonoIO.GetException (error);
 605
 606                         if (IsWindows) {
 607                                 const int DUPLICATE_SAME_ACCESS = 0x00000002;
 608                                 var tmp = writeDirection ? write : read;
 609
 610                                 if (!MonoIO.DuplicateHandle (Process.GetCurrentProcess ().Handle, tmp, Process.GetCurrentProcess ().Handle, out tmp, 0, 0, DUPLICATE_SAME_ACCESS, out error))
 611                                         throw MonoIO.GetException (error);
 612
 613                                 if (writeDirection) {
 614                                         if (!MonoIO.Close (write, out error))
 615                                                 throw MonoIO.GetException (error);
 616                                         write = tmp;
 617                                 } else {
 618                                         if (!MonoIO.Close (read, out error))
 619                                                 throw MonoIO.GetException (error);
 620                                         read = tmp;
 621                                 }
 622                         }
 623                 }
 624
 625                 static bool IsWindows
 626                 {
 627                         get
 628                         {
 629                                 PlatformID platform = Environment.OSVersion.Platform;
 630                                 if (platform == PlatformID.Win32S ||
 631                                         platform == PlatformID.Win32Windows ||
 632                                         platform == PlatformID.Win32NT ||
 633                                         platform == PlatformID.WinCE) {
 634                                         return true;
 635                                 }
 636                                 return false;
 637                         }
 638                 }
 639
 640                 bool StartWithCreateProcess (ProcessStartInfo startInfo)
 641                 {
 642                         if (startInfo.StandardOutputEncoding != null && !startInfo.RedirectStandardOutput)
 643                                 throw new InvalidOperationException (SR.GetString(SR.StandardOutputEncodingNotAllowed));
 644
 645                         if (startInfo.StandardErrorEncoding != null && !startInfo.RedirectStandardError)
 646                                 throw new InvalidOperationException (SR.GetString(SR.StandardErrorEncodingNotAllowed));
 647
 648                         if (this.disposed)
 649                                 throw new ObjectDisposedException (GetType ().Name);
 650
 651                         var procInfo = new ProcInfo ();
 652
 653                         if (startInfo.HaveEnvVars) {
 654                                 List<string> envVariables = null;
 655                                 StringBuilder sb = null;
 656
 657                                 foreach (DictionaryEntry de in startInfo.EnvironmentVariables) {
 658                                         if (de.Value == null)
 659                                                 continue;
 660
 661                                         if (envVariables == null)
 662                                                 envVariables = new List<string> ();
 663
 664                                         if (sb == null)
 665                                                 sb = new StringBuilder ();
 666                                         else
 667                                                 sb.Clear ();
 668
 669                                         sb.Append ((string) de.Key);
 670                                         sb.Append ('=');
 671                                         sb.Append ((string) de.Value);
 672
 673                                         envVariables.Add (sb.ToString ());
 674                                 }
 675
 676                                 procInfo.envVariables = envVariables?.ToArray ();
 677                         }
 678
 679                         MonoIOError error;
 680                         IntPtr stdin_read = IntPtr.Zero, stdin_write = IntPtr.Zero;
 681                         IntPtr stdout_read = IntPtr.Zero, stdout_write = IntPtr.Zero;
 682                         IntPtr stderr_read = IntPtr.Zero, stderr_write = IntPtr.Zero;
 683
 684                         try {
 685                                 if (startInfo.RedirectStandardInput) {
 686                                         CreatePipe (out stdin_read, out stdin_write, true);
 687                                 } else {
 688                                         stdin_read = MonoIO.ConsoleInput;
 689                                         stdin_write = IntPtr.Zero;
 690                                 }
 691
 692                                 if (startInfo.RedirectStandardOutput) {
 693                                         CreatePipe (out stdout_read, out stdout_write, false);
 694                                 } else {
 695                                         stdout_read = IntPtr.Zero;
 696                                         stdout_write = MonoIO.ConsoleOutput;
 697                                 }
 698
 699                                 if (startInfo.RedirectStandardError) {
 700                                         CreatePipe (out stderr_read, out stderr_write, false);
 701                                 } else {
 702                                         stderr_read = IntPtr.Zero;
 703                                         stderr_write = MonoIO.ConsoleError;
 704                                 }
 705
 706                                 FillUserInfo (startInfo, ref procInfo);
 707
 708                                 //
 709                                 // FIXME: For redirected pipes we need to send descriptors of
 710                                 // stdin_write, stdout_read, stderr_read to child process and
 711                                 // close them there (fork makes exact copy of parent's descriptors)
 712                                 //
 713                                 if (!CreateProcess_internal (startInfo, stdin_read, stdout_write, stderr_write, ref procInfo)) {
 714                                         throw new Win32Exception (-procInfo.pid, "ApplicationName='" + startInfo.FileName + "', CommandLine='" + startInfo.Arguments +
 715                                                 "', CurrentDirectory='" + startInfo.WorkingDirectory + "', Native error= " + Win32Exception.GetErrorMessage (-procInfo.pid));
 716                                 }
 717                         } catch {
 718                                 if (startInfo.RedirectStandardInput) {
 719                                         if (stdin_read != IntPtr.Zero)
 720                                                 MonoIO.Close (stdin_read, out error);
 721                                         if (stdin_write != IntPtr.Zero)
 722                                                 MonoIO.Close (stdin_write, out error);
 723                                 }
 724
 725                                 if (startInfo.RedirectStandardOutput) {
 726                                         if (stdout_read != IntPtr.Zero)
 727                                                 MonoIO.Close (stdout_read, out error);
 728                                         if (stdout_write != IntPtr.Zero)
 729                                                 MonoIO.Close (stdout_write, out error);
 730                                 }
 731
 732                                 if (startInfo.RedirectStandardError) {
 733                                         if (stderr_read != IntPtr.Zero)
 734                                                 MonoIO.Close (stderr_read, out error);
 735                                         if (stderr_write != IntPtr.Zero)
 736                                                 MonoIO.Close (stderr_write, out error);
 737                                 }
 738
 739                                 throw;
 740                         } finally {
 741                                 if (procInfo.Password != IntPtr.Zero) {
 742                                         Marshal.ZeroFreeBSTR (procInfo.Password);
 743                                         procInfo.Password = IntPtr.Zero;
 744                                 }
 745                         }
 746
 747                         SetProcessHandle (new SafeProcessHandle (procInfo.process_handle, true));
 748                         SetProcessId (procInfo.pid);
 749
 750 #pragma warning disable 618
 751
 752                         if (startInfo.RedirectStandardInput) {
 753                                 MonoIO.Close (stdin_read, out error);
 754
 755 #if MOBILE
 756                                 var stdinEncoding = Encoding.Default;
 757 #else
 758                                 var stdinEncoding = Console.InputEncoding;
 759 #endif
 760                                 standardInput = new StreamWriter (new FileStream (stdin_write, FileAccess.Write, true, 8192), stdinEncoding) {
 761                                         AutoFlush = true
 762                                 };
 763                         }
 764
 765                         if (startInfo.RedirectStandardOutput) {
 766                                 MonoIO.Close (stdout_write, out error);
 767
 768                                 Encoding stdoutEncoding = startInfo.StandardOutputEncoding ?? Console.Out.Encoding;
 769
 770                                 standardOutput = new StreamReader (new FileStream (stdout_read, FileAccess.Read, true, 8192), stdoutEncoding, true);
 771                         }
 772
 773                         if (startInfo.RedirectStandardError) {
 774                                 MonoIO.Close (stderr_write, out error);
 775
 776                                 Encoding stderrEncoding = startInfo.StandardErrorEncoding ?? Console.Out.Encoding;
 777
 778                                 standardError = new StreamReader (new FileStream (stderr_read, FileAccess.Read, true, 8192), stderrEncoding, true);
 779                         }
 780 #pragma warning restore
 781
 782                         return true;
 783                 }
 784
 785                 // Note that ProcInfo.Password must be freed.
 786                 private static void FillUserInfo (ProcessStartInfo startInfo, ref ProcInfo procInfo)
 787                 {
 788                         if (startInfo.UserName.Length != 0) {
 789                                 procInfo.UserName = startInfo.UserName;
 790                                 procInfo.Domain = startInfo.Domain;
 791                                 if (startInfo.Password != null)
 792                                         procInfo.Password = Marshal.SecureStringToBSTR (startInfo.Password);
 793                                 else
 794                                         procInfo.Password = IntPtr.Zero;
 795                                 procInfo.LoadUserProfile = startInfo.LoadUserProfile;
 796                         }
 797                 }
 798 #else
 799                 [Obsolete ("Process.Start is not supported on the current platform.", true)]
 800                 public bool Start ()
 801                 {
 802                         throw new PlatformNotSupportedException ("Process.Start is not supported on the current platform.");
 803                 }
 804
 805                 [Obsolete ("Process.Start is not supported on the current platform.", true)]
 806                 public static Process Start (ProcessStartInfo startInfo)
 807                 {
 808                         throw new PlatformNotSupportedException ("Process.Start is not supported on the current platform.");
 809                 }
 810
 811                 [Obsolete ("Process.Start is not supported on the current platform.", true)]
 812                 public static Process Start (string fileName)
 813                 {
 814                         throw new PlatformNotSupportedException ("Process.Start is not supported on the current platform.");
 815                 }
 816
 817                 [Obsolete ("Process.Start is not supported on the current platform.", true)]
 818                 public static Process Start(string fileName, string arguments)
 819                 {
 820                         throw new PlatformNotSupportedException ("Process.Start is not supported on the current platform.");
 821                 }
 822
 823                 [Obsolete ("Process.Start is not supported on the current platform.", true)]
 824                 public static Process Start(string fileName, string username, SecureString password, string domain)
 825                 {
 826                         throw new PlatformNotSupportedException ("Process.Start is not supported on the current platform.");
 827                 }
 828
 829                 [Obsolete ("Process.Start is not supported on the current platform.", true)]
 830                 public static Process Start(string fileName, string arguments, string username, SecureString password, string domain)
 831                 {
 832                         throw new PlatformNotSupportedException ("Process.Start is not supported on the current platform.");
 833                 }
 834 #endif // MONO_FEATURE_PROCESS_START
 835
 836 #if !MONO_FEATURE_PROCESS_START
 837                 [Obsolete ("Process.BeginOutputReadLine is not supported on the current platform.", true)]
 838                 public void BeginOutputReadLine ()
 839                 {
 840                         throw new PlatformNotSupportedException ("Process.BeginOutputReadLine is not supported on the current platform.");
 841                 }
 842
 843                 [Obsolete ("Process.BeginOutputReadLine is not supported on the current platform.", true)]
 844                 public void CancelOutputRead ()
 845                 {
 846                         throw new PlatformNotSupportedException ("Process.BeginOutputReadLine is not supported on the current platform.");
 847                 }
 848
 849                 [Obsolete ("Process.BeginOutputReadLine is not supported on the current platform.", true)]
 850                 public void BeginErrorReadLine ()
 851                 {
 852                         throw new PlatformNotSupportedException ("Process.BeginOutputReadLine is not supported on the current platform.");
 853                 }
 854
 855                 [Obsolete ("Process.BeginOutputReadLine is not supported on the current platform.", true)]
 856                 public void CancelErrorRead ()
 857                 {
 858                         throw new PlatformNotSupportedException ("Process.BeginOutputReadLine is not supported on the current platform.");
 859                 }
 860 #endif // !MONO_FEATURE_PROCESS_START
 861
 862                 /// <devdoc>
 863                 ///     Raise the Exited event, but make sure we don't do it more than once.
 864                 /// </devdoc>
 865                 /// <internalonly/>
 866                 void RaiseOnExited() {
 867                         if (!watchForExit)
 868                                 return;
 869                         if (!raisedOnExited) {
 870                                 lock (this) {
 871                                         if (!raisedOnExited) {
 872                                                 raisedOnExited = true;
 873                                                 OnExited();
 874                                         }
 875                                 }
 876                         }
 877                 }
 878         }
 879 }
 880