|  | //===- llvm/Support/Unix/Mutex.inc - Unix Mutex Implementation ---*- C++ -*-===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // 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::release() | 
|  | { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool | 
|  | MutexImpl::tryacquire( void ) | 
|  | { | 
|  | return true; | 
|  | } | 
|  |  | 
|  | } |