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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include <process.h> | 5 #include <process.h> |
| 6 | 6 |
| 7 #include "bin/builtin.h" | 7 #include "bin/builtin.h" |
| 8 #include "bin/process.h" | 8 #include "bin/process.h" |
| 9 #include "bin/eventhandler.h" | 9 #include "bin/eventhandler.h" |
| 10 #include "bin/log.h" | 10 #include "bin/log.h" |
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| 382 return error_code; | 382 return error_code; |
| 383 } | 383 } |
| 384 if (!CreateProcessPipe(exit_handles, pipe_names[3], kInheritNone)) { | 384 if (!CreateProcessPipe(exit_handles, pipe_names[3], kInheritNone)) { |
| 385 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); | 385 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); |
| 386 CloseProcessPipes( | 386 CloseProcessPipes( |
| 387 stdin_handles, stdout_handles, stderr_handles, exit_handles); | 387 stdin_handles, stdout_handles, stderr_handles, exit_handles); |
| 388 return error_code; | 388 return error_code; |
| 389 } | 389 } |
| 390 | 390 |
| 391 // Setup info structures. | 391 // Setup info structures. |
| 392 STARTUPINFOEX startup_info; | 392 STARTUPINFO startup_info; |
| 393 ZeroMemory(&startup_info, sizeof(startup_info)); | 393 ZeroMemory(&startup_info, sizeof(startup_info)); |
| 394 startup_info.StartupInfo.cb = sizeof(startup_info); | 394 startup_info.cb = sizeof(startup_info); |
| 395 startup_info.StartupInfo.hStdInput = stdin_handles[kReadHandle]; | 395 startup_info.hStdInput = stdin_handles[kReadHandle]; |
| 396 startup_info.StartupInfo.hStdOutput = stdout_handles[kWriteHandle]; | 396 startup_info.hStdOutput = stdout_handles[kWriteHandle]; |
| 397 startup_info.StartupInfo.hStdError = stderr_handles[kWriteHandle]; | 397 startup_info.hStdError = stderr_handles[kWriteHandle]; |
| 398 startup_info.StartupInfo.dwFlags = STARTF_USESTDHANDLES; | 398 startup_info.dwFlags = STARTF_USESTDHANDLES; |
| 399 | |
| 400 // Setup the handles to inherit. We only want to inherit the three handles | |
| 401 // for stdin, stdout and stderr. | |
| 402 SIZE_T size = 0; | |
| 403 // The call to determine the size of an attribute list always fails with | |
| 404 // ERROR_INSUFFICIENT_BUFFER and that error should be ignored. | |
| 405 if (!InitializeProcThreadAttributeList(NULL, 1, 0, &size) && | |
| 406 GetLastError() != ERROR_INSUFFICIENT_BUFFER) { | |
| 407 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); | |
| 408 CloseProcessPipes( | |
| 409 stdin_handles, stdout_handles, stderr_handles, exit_handles); | |
| 410 return error_code; | |
| 411 } | |
| 412 LPPROC_THREAD_ATTRIBUTE_LIST attribute_list = | |
| 413 reinterpret_cast<LPPROC_THREAD_ATTRIBUTE_LIST>(malloc(size)); | |
| 414 ZeroMemory(attribute_list, size); | |
| 415 if (!InitializeProcThreadAttributeList(attribute_list, 1, 0, &size)) { | |
| 416 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); | |
| 417 CloseProcessPipes( | |
| 418 stdin_handles, stdout_handles, stderr_handles, exit_handles); | |
| 419 free(attribute_list); | |
| 420 return error_code; | |
| 421 } | |
| 422 static const int kNumInheritedHandles = 3; | |
| 423 HANDLE inherited_handles[kNumInheritedHandles] = | |
| 424 { stdin_handles[kReadHandle], | |
| 425 stdout_handles[kWriteHandle], | |
| 426 stderr_handles[kWriteHandle] }; | |
| 427 if (!UpdateProcThreadAttribute(attribute_list, | |
| 428 0, | |
| 429 PROC_THREAD_ATTRIBUTE_HANDLE_LIST, | |
| 430 inherited_handles, | |
| 431 kNumInheritedHandles * sizeof(HANDLE), | |
| 432 NULL, | |
| 433 NULL)) { | |
| 434 DeleteProcThreadAttributeList(attribute_list); | |
| 435 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); | |
| 436 CloseProcessPipes( | |
| 437 stdin_handles, stdout_handles, stderr_handles, exit_handles); | |
| 438 free(attribute_list); | |
| 439 return error_code; | |
| 440 } | |
| 441 startup_info.lpAttributeList = attribute_list; | |
| 442 | 399 |
| 443 PROCESS_INFORMATION process_info; | 400 PROCESS_INFORMATION process_info; |
| 444 ZeroMemory(&process_info, sizeof(process_info)); | 401 ZeroMemory(&process_info, sizeof(process_info)); |
| 445 | 402 |
| 446 // Transform input strings to system format. | 403 // Transform input strings to system format. |
| 447 path = StringUtils::Utf8ToSystemString(path); | 404 path = StringUtils::Utf8ToSystemString(path); |
| 448 for (int i = 0; i < arguments_length; i++) { | 405 for (int i = 0; i < arguments_length; i++) { |
| 449 arguments[i] = StringUtils::Utf8ToSystemString(arguments[i]); | 406 arguments[i] = StringUtils::Utf8ToSystemString(arguments[i]); |
| 450 } | 407 } |
| 451 | 408 |
| 452 // Compute command-line length. | 409 // Compute command-line length. |
| 453 int command_line_length = strlen(path); | 410 int command_line_length = strlen(path); |
| 454 for (int i = 0; i < arguments_length; i++) { | 411 for (int i = 0; i < arguments_length; i++) { |
| 455 command_line_length += strlen(arguments[i]); | 412 command_line_length += strlen(arguments[i]); |
| 456 } | 413 } |
| 457 // Account for null termination and one space per argument. | 414 // Account for null termination and one space per argument. |
| 458 command_line_length += arguments_length + 1; | 415 command_line_length += arguments_length + 1; |
| 459 static const int kMaxCommandLineLength = 32768; | 416 static const int kMaxCommandLineLength = 32768; |
| 460 if (command_line_length > kMaxCommandLineLength) { | 417 if (command_line_length > kMaxCommandLineLength) { |
| 461 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); | 418 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); |
| 462 CloseProcessPipes( | 419 CloseProcessPipes( |
| 463 stdin_handles, stdout_handles, stderr_handles, exit_handles); | 420 stdin_handles, stdout_handles, stderr_handles, exit_handles); |
| 464 free(const_cast<char*>(path)); | 421 free(const_cast<char*>(path)); |
| 465 for (int i = 0; i < arguments_length; i++) free(arguments[i]); | 422 for (int i = 0; i < arguments_length; i++) free(arguments[i]); |
| 466 DeleteProcThreadAttributeList(attribute_list); | |
| 467 free(attribute_list); | |
| 468 return error_code; | 423 return error_code; |
| 469 } | 424 } |
| 470 | 425 |
| 471 // Put together command-line string. | 426 // Put together command-line string. |
| 472 char* command_line = new char[command_line_length]; | 427 char* command_line = new char[command_line_length]; |
| 473 int len = 0; | 428 int len = 0; |
| 474 int remaining = command_line_length; | 429 int remaining = command_line_length; |
| 475 int written = snprintf(command_line + len, remaining, "%s", path); | 430 int written = snprintf(command_line + len, remaining, "%s", path); |
| 476 len += written; | 431 len += written; |
| 477 remaining -= written; | 432 remaining -= written; |
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| 520 if (working_directory != NULL) { | 475 if (working_directory != NULL) { |
| 521 working_directory = StringUtils::Utf8ToSystemString(working_directory); | 476 working_directory = StringUtils::Utf8ToSystemString(working_directory); |
| 522 } | 477 } |
| 523 | 478 |
| 524 // Create process. | 479 // Create process. |
| 525 BOOL result = CreateProcess(NULL, // ApplicationName | 480 BOOL result = CreateProcess(NULL, // ApplicationName |
| 526 command_line, | 481 command_line, |
| 527 NULL, // ProcessAttributes | 482 NULL, // ProcessAttributes |
| 528 NULL, // ThreadAttributes | 483 NULL, // ThreadAttributes |
| 529 TRUE, // InheritHandles | 484 TRUE, // InheritHandles |
| 530 EXTENDED_STARTUPINFO_PRESENT, | 485 0, // CreationFlags |
| 531 environment_block, | 486 environment_block, |
| 532 working_directory, | 487 working_directory, |
| 533 reinterpret_cast<STARTUPINFO*>(&startup_info), | 488 &startup_info, |
| 534 &process_info); | 489 &process_info); |
| 535 | 490 |
| 536 // Deallocate command-line and environment block strings. | 491 // Deallocate command-line and environment block strings. |
| 537 delete[] command_line; | 492 delete[] command_line; |
| 538 delete[] environment_block; | 493 delete[] environment_block; |
| 539 if (working_directory != NULL) { | 494 if (working_directory != NULL) { |
| 540 free(const_cast<char*>(working_directory)); | 495 free(const_cast<char*>(working_directory)); |
| 541 } | 496 } |
| 542 | 497 |
| 543 DeleteProcThreadAttributeList(attribute_list); | |
| 544 free(attribute_list); | |
| 545 | |
| 546 if (result == 0) { | 498 if (result == 0) { |
| 547 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); | 499 int error_code = SetOsErrorMessage(os_error_message, os_error_message_len); |
| 548 CloseProcessPipes( | 500 CloseProcessPipes( |
| 549 stdin_handles, stdout_handles, stderr_handles, exit_handles); | 501 stdin_handles, stdout_handles, stderr_handles, exit_handles); |
| 550 return error_code; | 502 return error_code; |
| 551 } | 503 } |
| 552 | 504 |
| 553 ProcessInfoList::AddProcess(process_info.dwProcessId, | 505 ProcessInfoList::AddProcess(process_info.dwProcessId, |
| 554 process_info.hProcess, | 506 process_info.hProcess, |
| 555 exit_handles[kWriteHandle]); | 507 exit_handles[kWriteHandle]); |
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| 592 | 544 |
| 593 | 545 |
| 594 void Process::TerminateExitCodeHandler() { | 546 void Process::TerminateExitCodeHandler() { |
| 595 // Nothing needs to be done on Windows. | 547 // Nothing needs to be done on Windows. |
| 596 } | 548 } |
| 597 | 549 |
| 598 | 550 |
| 599 intptr_t Process::CurrentProcessId() { | 551 intptr_t Process::CurrentProcessId() { |
| 600 return static_cast<intptr_t>(GetCurrentProcessId()); | 552 return static_cast<intptr_t>(GetCurrentProcessId()); |
| 601 } | 553 } |
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