tball@google.com
4c4482e4c7
Review URL: https://codereview.chromium.org//12221022 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@19091 260f80e4-7a28-3924-810f-c04153c831b5
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
// Copyright (c) 2013, 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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#ifndef BIN_VMSTATS_H_
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#define BIN_VMSTATS_H_
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#include "include/dart_api.h"
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/**
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* A VM status callback. Status plug-ins implement and register this
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* function using Dart_RegisterStatusPlugin. When Dart_GetVMStatus is
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* called, each callback is invoked to provide the requested information,
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* and the first one to do so "wins".
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*
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* Note: status requests execute outside of an isolate (which is why
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* handles aren't used).
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*
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* \param request an optional string that defines REST-like parameters
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* to define what information is requested.
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*
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* \return Returns a valid JSON string, allocated from C heap. The caller
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* is responsible for releasing this string. NULL is returned if the
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* callback didn't handle that request.
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*/
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typedef char* (*Dart_VmStatusCallback)(const char* request);
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/**
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* Register a VM status plug-in. The specified status type must not already
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* have a registered plug-in.
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*
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* \return 0 if the plug-in was registered, or -1 if there is an error.
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*/
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DART_EXPORT int Dart_RegisterVmStatusPlugin(Dart_VmStatusCallback callback);
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#endif // BIN_VMSTATS_H_
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