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Owen Anderson0c2185a2009-06-16 20:19:28 +00001//= llvm/System/Unix/RWMutex.inc - Unix Reader/Writer Mutual Exclusion Lock =//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements the Unix specific (non-pthread) RWMutex class.
11//
12//===----------------------------------------------------------------------===//
13
14//===----------------------------------------------------------------------===//
15//=== WARNING: Implementation here must contain only generic UNIX code that
16//=== is guaranteed to work on *all* UNIX variants.
17//===----------------------------------------------------------------------===//
18
19namespace llvm {
20
21using namespace sys;
22
23RWMutex::RWMutex() { }
24
25RWMutex::~RWMutex() { }
26
27bool RWMutex::reader_acquire() {
28 return true;
29}
30
31bool RWMutex::reader_release() {
32 return true;
33}
34
35bool RWMutex::writer_acquire() {
36 return true;
37}
38
39bool RWMutex::writer_release() {
40 return true;
41}
42
43}