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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 "platform/globals.h" | 5 #include "platform/globals.h" |
6 #if defined(TARGET_OS_WINDOWS) | 6 #if defined(TARGET_OS_WINDOWS) |
7 | 7 |
8 #include <process.h> // NOLINT | 8 #include <process.h> // NOLINT |
9 | 9 |
10 #include "bin/builtin.h" | 10 #include "bin/builtin.h" |
11 #include "bin/process.h" | 11 #include "bin/process.h" |
12 #include "bin/eventhandler.h" | 12 #include "bin/eventhandler.h" |
13 #include "bin/log.h" | 13 #include "bin/log.h" |
| 14 #include "bin/socket.h" |
14 #include "bin/thread.h" | 15 #include "bin/thread.h" |
15 #include "bin/utils.h" | 16 #include "bin/utils.h" |
16 #include "bin/utils_win.h" | 17 #include "bin/utils_win.h" |
17 | 18 |
18 | 19 |
19 namespace dart { | 20 namespace dart { |
20 namespace bin { | 21 namespace bin { |
21 | 22 |
22 static const int kReadHandle = 0; | 23 static const int kReadHandle = 0; |
23 static const int kWriteHandle = 1; | 24 static const int kWriteHandle = 1; |
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343 delete_proc_thread_attr_list = reinterpret_cast<DeleteProcThreadAttrListFn>( | 344 delete_proc_thread_attr_list = reinterpret_cast<DeleteProcThreadAttrListFn>( |
344 reinterpret_cast<DeleteProcThreadAttrListFn>( | 345 reinterpret_cast<DeleteProcThreadAttrListFn>( |
345 GetProcAddress(kernel32_module, "DeleteProcThreadAttributeList"))); | 346 GetProcAddress(kernel32_module, "DeleteProcThreadAttributeList"))); |
346 load_attempted = true; | 347 load_attempted = true; |
347 return delete_proc_thread_attr_list != NULL; | 348 return delete_proc_thread_attr_list != NULL; |
348 } | 349 } |
349 return delete_proc_thread_attr_list != NULL; | 350 return delete_proc_thread_attr_list != NULL; |
350 } | 351 } |
351 | 352 |
352 | 353 |
| 354 const int kMaxPipeNameSize = 80; |
| 355 template<int Count> |
| 356 static int GenerateNames(wchar_t pipe_names[Count][kMaxPipeNameSize]) { |
| 357 UUID uuid; |
| 358 RPC_STATUS status = UuidCreateSequential(&uuid); |
| 359 if (status != RPC_S_OK && status != RPC_S_UUID_LOCAL_ONLY) { |
| 360 return status; |
| 361 } |
| 362 RPC_WSTR uuid_string; |
| 363 status = UuidToStringW(&uuid, &uuid_string); |
| 364 if (status != RPC_S_OK) { |
| 365 return status; |
| 366 } |
| 367 for (int i = 0; i < Count; i++) { |
| 368 static const wchar_t* prefix = L"\\\\.\\Pipe\\dart"; |
| 369 _snwprintf(pipe_names[i], |
| 370 kMaxPipeNameSize, |
| 371 L"%s_%s_%d", prefix, uuid_string, i + 1); |
| 372 } |
| 373 status = RpcStringFreeW(&uuid_string); |
| 374 if (status != RPC_S_OK) { |
| 375 return status; |
| 376 } |
| 377 return 0; |
| 378 } |
| 379 |
| 380 |
353 int Process::Start(const char* path, | 381 int Process::Start(const char* path, |
354 char* arguments[], | 382 char* arguments[], |
355 intptr_t arguments_length, | 383 intptr_t arguments_length, |
356 const char* working_directory, | 384 const char* working_directory, |
357 char* environment[], | 385 char* environment[], |
358 intptr_t environment_length, | 386 intptr_t environment_length, |
359 intptr_t* in, | 387 intptr_t* in, |
360 intptr_t* out, | 388 intptr_t* out, |
361 intptr_t* err, | 389 intptr_t* err, |
362 intptr_t* id, | 390 intptr_t* id, |
363 intptr_t* exit_handler, | 391 intptr_t* exit_handler, |
364 char** os_error_message) { | 392 char** os_error_message) { |
365 HANDLE stdin_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | 393 HANDLE stdin_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; |
366 HANDLE stdout_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | 394 HANDLE stdout_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; |
367 HANDLE stderr_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | 395 HANDLE stderr_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; |
368 HANDLE exit_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; | 396 HANDLE exit_handles[2] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE }; |
369 | 397 |
370 // Generate unique pipe names for the four named pipes needed. | 398 // Generate unique pipe names for the four named pipes needed. |
371 static const int kMaxPipeNameSize = 80; | |
372 wchar_t pipe_names[4][kMaxPipeNameSize]; | 399 wchar_t pipe_names[4][kMaxPipeNameSize]; |
373 UUID uuid; | 400 int status = GenerateNames<4>(pipe_names); |
374 RPC_STATUS status = UuidCreateSequential(&uuid); | 401 if (status != 0) { |
375 if (status != RPC_S_OK && status != RPC_S_UUID_LOCAL_ONLY) { | |
376 SetOsErrorMessage(os_error_message); | 402 SetOsErrorMessage(os_error_message); |
377 Log::PrintErr("UuidCreateSequential failed %d\n", status); | 403 Log::PrintErr("UuidCreateSequential failed %d\n", status); |
378 return status; | 404 return status; |
379 } | 405 } |
380 RPC_WSTR uuid_string; | |
381 status = UuidToStringW(&uuid, &uuid_string); | |
382 if (status != RPC_S_OK) { | |
383 SetOsErrorMessage(os_error_message); | |
384 Log::PrintErr("UuidToString failed %d\n", status); | |
385 return status; | |
386 } | |
387 for (int i = 0; i < 4; i++) { | |
388 static const wchar_t* prefix = L"\\\\.\\Pipe\\dart"; | |
389 _snwprintf(pipe_names[i], | |
390 kMaxPipeNameSize, | |
391 L"%s_%s_%d", prefix, uuid_string, i + 1); | |
392 } | |
393 status = RpcStringFreeW(&uuid_string); | |
394 if (status != RPC_S_OK) { | |
395 SetOsErrorMessage(os_error_message); | |
396 Log::PrintErr("RpcStringFree failed %d\n", status); | |
397 return status; | |
398 } | |
399 | 406 |
400 if (!CreateProcessPipe(stdin_handles, pipe_names[0], kInheritRead)) { | 407 if (!CreateProcessPipe(stdin_handles, pipe_names[0], kInheritRead)) { |
401 int error_code = SetOsErrorMessage(os_error_message); | 408 int error_code = SetOsErrorMessage(os_error_message); |
402 CloseProcessPipes( | 409 CloseProcessPipes( |
403 stdin_handles, stdout_handles, stderr_handles, exit_handles); | 410 stdin_handles, stdout_handles, stderr_handles, exit_handles); |
404 return error_code; | 411 return error_code; |
405 } | 412 } |
406 if (!CreateProcessPipe(stdout_handles, pipe_names[1], kInheritWrite)) { | 413 if (!CreateProcessPipe(stdout_handles, pipe_names[1], kInheritWrite)) { |
407 int error_code = SetOsErrorMessage(os_error_message); | 414 int error_code = SetOsErrorMessage(os_error_message); |
408 CloseProcessPipes( | 415 CloseProcessPipes( |
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842 | 849 |
843 void Process::TerminateExitCodeHandler() { | 850 void Process::TerminateExitCodeHandler() { |
844 // Nothing needs to be done on Windows. | 851 // Nothing needs to be done on Windows. |
845 } | 852 } |
846 | 853 |
847 | 854 |
848 intptr_t Process::CurrentProcessId() { | 855 intptr_t Process::CurrentProcessId() { |
849 return static_cast<intptr_t>(GetCurrentProcessId()); | 856 return static_cast<intptr_t>(GetCurrentProcessId()); |
850 } | 857 } |
851 | 858 |
| 859 |
| 860 static SignalInfo* signal_handlers = NULL; |
| 861 static Mutex* signal_mutex = new Mutex(); |
| 862 |
| 863 |
| 864 SignalInfo::~SignalInfo() { |
| 865 reinterpret_cast<FileHandle*>(fd_)->Close(); |
| 866 } |
| 867 |
| 868 |
| 869 BOOL WINAPI SignalHandler(DWORD signal) { |
| 870 MutexLocker lock(signal_mutex); |
| 871 const SignalInfo* handler = signal_handlers; |
| 872 bool handled = false; |
| 873 while (handler != NULL) { |
| 874 if (handler->signal() == signal) { |
| 875 int value = 0; |
| 876 Socket::Write(handler->fd(), &value, 1); |
| 877 handled = true; |
| 878 } |
| 879 handler = handler->next(); |
| 880 } |
| 881 return handled; |
| 882 } |
| 883 |
| 884 |
| 885 intptr_t GetWinSignal(intptr_t signal) { |
| 886 switch (signal) { |
| 887 case kSighup: return CTRL_CLOSE_EVENT; |
| 888 case kSigint: return CTRL_C_EVENT; |
| 889 default: |
| 890 return -1; |
| 891 } |
| 892 } |
| 893 |
| 894 |
| 895 intptr_t Process::SetSignalHandler(intptr_t signal) { |
| 896 signal = GetWinSignal(signal); |
| 897 if (signal == -1) return -1; |
| 898 |
| 899 // Generate a unique pipe name for the named pipe. |
| 900 wchar_t pipe_name[kMaxPipeNameSize]; |
| 901 int status = GenerateNames<1>(&pipe_name); |
| 902 if (status != 0) return status; |
| 903 |
| 904 HANDLE fds[2]; |
| 905 if (!CreateProcessPipe(fds, pipe_name, kInheritNone)) { |
| 906 int error_code = GetLastError(); |
| 907 CloseProcessPipe(fds); |
| 908 SetLastError(error_code); |
| 909 return -1; |
| 910 } |
| 911 MutexLocker lock(signal_mutex); |
| 912 FileHandle* write_handle = new FileHandle(fds[kWriteHandle]); |
| 913 write_handle->EnsureInitialized(EventHandler::delegate()); |
| 914 intptr_t write_fd = reinterpret_cast<intptr_t>(write_handle); |
| 915 if (signal_handlers == NULL) { |
| 916 if (SetConsoleCtrlHandler(SignalHandler, true) == 0) { |
| 917 int error_code = GetLastError(); |
| 918 delete write_handle; |
| 919 CloseProcessPipe(fds); |
| 920 SetLastError(error_code); |
| 921 return -1; |
| 922 } |
| 923 signal_handlers = new SignalInfo(write_fd, signal); |
| 924 } else { |
| 925 new SignalInfo(write_fd, signal, signal_handlers); |
| 926 } |
| 927 return reinterpret_cast<intptr_t>(new FileHandle(fds[kReadHandle])); |
| 928 } |
| 929 |
| 930 |
| 931 void Process::ClearSignalHandler(intptr_t signal) { |
| 932 signal = GetWinSignal(signal); |
| 933 if (signal == -1) return; |
| 934 MutexLocker lock(signal_mutex); |
| 935 SignalInfo* handler = signal_handlers; |
| 936 while (handler != NULL) { |
| 937 if (handler->port() == Dart_GetMainPortId() && |
| 938 handler->signal() == signal) { |
| 939 handler->Unlink(); |
| 940 break; |
| 941 } |
| 942 handler = handler->next(); |
| 943 } |
| 944 if (handler != NULL) { |
| 945 if (signal_handlers == handler) { |
| 946 signal_handlers = handler->next(); |
| 947 } |
| 948 if (signal_handlers == NULL) { |
| 949 USE(SetConsoleCtrlHandler(SignalHandler, false)); |
| 950 } |
| 951 } |
| 952 delete handler; |
| 953 } |
| 954 |
852 } // namespace bin | 955 } // namespace bin |
853 } // namespace dart | 956 } // namespace dart |
854 | 957 |
855 #endif // defined(TARGET_OS_WINDOWS) | 958 #endif // defined(TARGET_OS_WINDOWS) |
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