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Due to the nature of this class, there are two implementations of TaskQueue: a Unix-specific implementation which supports both parallel execution and output buffering, and a default implementation which supports neither of these features. (The default implementation uses the functions from llvm/Support/Program.h for execution.) TaskQueue allows clients to provide a TaskBeganCallback and a TaskFinishedCallback, each of which will be called when a new task begins or when a task finishes execution, respectively. Clients may add tasks to the TaskQueue in either of these callbacks, and clients can stop further execution by returning TaskFinishedResponse::StopExecution from the TaskFinishedCallback. Swift SVN r12059
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===--- TaskQueue.cpp - Task Execution Work Queue ------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file includes the appropriate platform-specific TaskQueue
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/// implementation (or the default serial fallback if one is not available),
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/// as well as any platform-agnostic TaskQueue functionality.
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///
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/TaskQueue.h"
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using namespace swift;
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using namespace swift::sys;
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// Include the correct TaskQueue implementation.
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#if LLVM_ON_UNIX
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#include "Unix/TaskQueue.inc"
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#else
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#include "Default/TaskQueue.inc"
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#endif
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TaskQueue::TaskQueue(unsigned NumberOfParallelTasks)
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: NumberOfParallelTasks(NumberOfParallelTasks) {}
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TaskQueue::~TaskQueue() = default;
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