Add Process.runSync for running processe synchronously.

runtime/bin/process.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/dartutils.h"
 #include "bin/io_buffer.h"
 #include "bin/process.h"
 #include "bin/socket.h"
 
 #include "include/dart_api.h"
@@ skipping 141 matching lines @@
     DartUtils::SetStringField(
         status_handle, "_errorMessage", os_error_message);
   }
   delete[] string_args;
   delete[] string_environment;
   free(os_error_message);
   Dart_SetReturnValue(args, Dart_NewBoolean(error_code == 0));
 }
 
 
+void FUNCTION_NAME(Process_Wait)(Dart_NativeArguments args) {
+  Dart_EnterScope();
+  Dart_Handle process =  Dart_GetNativeArgument(args, 0);
+  Dart_Handle stdin_handle =  Dart_GetNativeArgument(args, 1);
+  Dart_Handle stdout_handle =  Dart_GetNativeArgument(args, 2);
+  Dart_Handle stderr_handle =  Dart_GetNativeArgument(args, 3);
+  Dart_Handle exit_handle =  Dart_GetNativeArgument(args, 4);
+  intptr_t process_stdin;
+  intptr_t process_stdout;
+  intptr_t process_stderr;
+  intptr_t exit_event;
+  Socket::GetSocketIdNativeField(stdin_handle, &process_stdin);
+  Socket::GetSocketIdNativeField(stdout_handle, &process_stdout);
+  Socket::GetSocketIdNativeField(stderr_handle, &process_stderr);
+  Socket::GetSocketIdNativeField(exit_handle, &exit_event);
+  ProcessResult result;
+  intptr_t pid;
+  Process::GetProcessIdNativeField(process, &pid);
+  if (Process::Wait(pid,
+                    process_stdin,
+                    process_stdout,
+                    process_stderr,
+                    exit_event,
+                    &result)) {
+    Dart_Handle out =
+        IOBuffer::Create(result.stdout_data(), result.stdout_length());
+    Dart_Handle err =
+        IOBuffer::Create(result.stderr_data(), result.stderr_length());
+    Dart_Handle list = Dart_NewList(4);
+    Dart_ListSetAt(list, 0, Dart_NewInteger(pid));
+    Dart_ListSetAt(list, 1, Dart_NewInteger(result.exit_code()));
+    Dart_ListSetAt(list, 2, out);
+    Dart_ListSetAt(list, 3, err);
+    Dart_SetReturnValue(args, list);
+  } else {
+    Process::Kill(pid, 9);
+    Dart_ThrowException(DartUtils::NewDartOSError());
+  }
+  Dart_ExitScope();
+}
+
+
 void FUNCTION_NAME(Process_Kill)(Dart_NativeArguments args) {
   Dart_Handle process = Dart_GetNativeArgument(args, 1);
   intptr_t pid = -1;
   Process::GetProcessIdNativeField(process, &pid);
   int signal = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 2));
   bool success = Process::Kill(pid, signal);
   Dart_SetReturnValue(args, Dart_NewBoolean(success));
 }
 
 
@@ skipping 72 matching lines @@
   int external_length = strlen(system_string);
   uint8_t* buffer = NULL;
   Dart_Handle external_array = IOBuffer::Allocate(external_length, &buffer);
   memmove(buffer, system_string, external_length);
   if (utf8 != system_string) free(const_cast<char*>(system_string));
   Dart_SetReturnValue(args, external_array);
 }
 
 }  // namespace bin
 }  // namespace dart