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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_WORKER_NATIVEWEBWORKER_STUB_H_
#define CHROME_WORKER_NATIVEWEBWORKER_STUB_H_
#pragma once
// Native WebWorker support stub header.
#include <stddef.h>
// As we are not including the native client header files, several types
// from them need to be named outside of structure/method declarations to
// avoid compiler warnings/errors.
struct NaClApp;
struct NaClDesc;
struct NaClSrpcChannel;
namespace WebKit {
class WebWorkerClient;
}
extern "C" {
// The thunk type used by upcall (postMessage from worker) handling.
typedef void (*NativeWorkerPostMessageFunc)(const char *str,
WebKit::WebWorkerClient* client);
// Start a native webworker from the module in buffer.
int NaClStartNativeWebWorker(char *buffer,
size_t buf_len,
struct NaClApp **nap,
struct NaClSrpcChannel **untrusted_channel);
// Performs a postMessage to the worker.
int NaClPostMessageToNativeWebWorker(char *buffer,
size_t buf_len,
struct NaClApp **nap,
struct NaClSrpcChannel **untrusted_ch);
// Causes a native web worker to be shut down.
int NaClTerminateNativeWebWorker(struct NaClApp **nap,
struct NaClSrpcChannel **untrusted_channel);
// Creates a channel that can be used to receive upcalls (postMessage from
// a worker).
int NaClCreateUpcallChannel(struct NaClDesc* desc[2]);
// Part of the initialization of a worker. Sends the descriptor to the
// worker library to indicate where to send postMessage RPCs.
int NaClSrpcSendUpcallDesc(struct NaClSrpcChannel *channel,
struct NaClDesc *nacl_desc);
// Runs an SRPC server loop on the specified channel. The post_message_func
// is invoked whenever the "postMessage" RPC is received.
int NaClSrpcListenerLoop(struct NaClDesc *chrome_desc,
NativeWorkerPostMessageFunc func,
WebKit::WebWorkerClient* client);
// Destroys the upcall channel.
void NaClDestroyUpcallChannel(struct NaClDesc* desc[2]);
}
#endif // CHROME_WORKER_NATIVEWEBWORKER_STUB_H_
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