ager@google.com
27508f3eb1
Some of the implementation is still not asynchronous but the API is now prepared for it. This is a breaking change for the dart test scripts. Once the change has its final form I will add new stable builds of the VM to the changelist for running tests. R=sgjesse@google.com BUG= TEST= Review URL: http://codereview.chromium.org//9024008 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@2753 260f80e4-7a28-3924-810f-c04153c831b5
81 lines
2.4 KiB
Dart
81 lines
2.4 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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interface Process default _Process {
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/**
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* Creates a new process object and starts a process running the executable
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* found at [path] with the specified [arguments]. When the process has
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* been successfully started the [startHandler] is called. If the process
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* fails to start the [errorHandler] is called.
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*
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* No data can be written to the process stdin and the process cannot be
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* closed nor killed before the [startHandler] has been invoked.
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*/
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Process.start(String path, List<String> arguments);
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/**
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* Returns an input stream of the process stdout.
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*/
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InputStream get stdout();
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/**
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* Returns an input stream of the process stderr.
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*/
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InputStream get stderr();
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/**
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* Returns an output stream to the process stdin.
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*/
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OutputStream get stdin();
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/**
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* Set the start handler which gets invoked when the process is
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* successfully started.
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*/
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void set startHandler(void callback());
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/**
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* Sets an exit handler which gets invoked when the process terminates.
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*/
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void set exitHandler(void callback(int exitCode));
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/**
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* Set an error handler which gets invoked if an operation on the process
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* fails.
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*/
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void set errorHandler(void callback(ProcessException error));
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/**
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* Kills the process. When the process terminates as a result of calling
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* [kill] the [exitHandler] is called. If the kill operation fails, the
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* [errorHandler] is called.
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*/
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void kill();
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/**
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* Terminates the streams of a process. [close] most be called on a process
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* to free the system resources associated with it. Usually, close should be
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* called in the [exitHandler]. Once a process has been closed it can no
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* longer be killed and the [exitHandler] is detached so the application is
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* not notified of process termination.
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*/
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void close();
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}
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class ProcessException implements Exception {
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const ProcessException([String this.message, int this.errorCode = 0]);
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String toString() => "ProcessException: $message";
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/**
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* Contains the system message for the process exception if any.
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*/
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final String message;
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/**
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* Contains the OS error code for the process exception if any.
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*/
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final int errorCode;
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}
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