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a55e040623
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10907 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
//===-- Support/ThreadSupport.h - Generic threading support -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines platform-agnostic interfaces that can be used to write
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// multi-threaded programs. Autoconf is used to chose the correct
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// implementation of these interfaces, or default to a non-thread-capable system
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// if no matching system support is available.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SUPPORT_THREADSUPPORT_H
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#define SUPPORT_THREADSUPPORT_H
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// FIXME: We need autoconf support to detect pthreads!
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#if 0
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#include "Support/ThreadSupport-PThreads.h"
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#else
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#include "Support/ThreadSupport-NoSupport.h"
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#endif // If no system support is available
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namespace llvm {
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/// MutexLocker - Instances of this class acquire a given Lock when
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/// constructed and hold that lock until destruction.
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///
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class MutexLocker {
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Mutex &M;
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MutexLocker(const LockHolder &); // DO NOT IMPLEMENT
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void operator=(const MutexLocker&); // DO NOT IMPLEMENT
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public:
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MutexLocker(Mutex &m) : M(m) { M.acquire(); }
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~MutexLocker() { M.release(); }
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};
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}
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#endif // SUPPORT_THREADSUPPORT_H
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