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4f5c8c29ac
Summary: This will allow using the functionality from other linkers. It is also a prerequisite for sharing the error logging code. Reviewers: ruiu Reviewed By: ruiu Subscribers: emaste, mgorny, llvm-commits Differential Revision: https://reviews.llvm.org/D38822 llvm-svn: 315725
32 lines
930 B
C++
32 lines
930 B
C++
//===- Threads.cpp --------------------------------------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lld/Common/Threads.h"
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#include <thread>
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static std::vector<std::thread> Threads;
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bool lld::ThreadsEnabled = true;
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// Runs a given function in a new thread.
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void lld::runBackground(std::function<void()> Fn) {
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Threads.emplace_back(Fn);
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}
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// Wait for all threads spawned for runBackground() to finish.
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//
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// You need to call this function from the main thread before exiting
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// because it is not defined what will happen to non-main threads when
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// the main thread exits.
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void lld::waitForBackgroundThreads() {
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for (std::thread &T : Threads)
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if (T.joinable())
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T.join();
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}
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