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llvm-mirror/lib/System/Unix/Mutex.inc
Owen Anderson 9aaa6b8958 Insert a SmartMutex templated class into the class hierarchy, which takes a template parameter specifying whether this mutex
should become a no-op when not running in multithreaded mode.  Make sys::Mutex a typedef of SmartMutex<false>, to preserve source compatibility.

llvm-svn: 73709
2009-06-18 17:53:17 +00:00

50 lines
1.0 KiB
C++

//===- llvm/System/Unix/Mutex.inc - Unix Mutex Implementation ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Unix specific (non-pthread) Mutex class.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
//=== is guaranteed to work on *all* UNIX variants.
//===----------------------------------------------------------------------===//
namespace llvm
{
using namespace sys;
MutexImpl::MutexImpl( bool recursive)
{
}
MutexImpl::~MutexImpl()
{
}
bool
MutexImpl::MutexImpl()
{
return true;
}
bool
MutexImpl::release()
{
return true;
}
bool
MutexImpl::tryacquire( void )
{
return true;
}
}