From 93823ed30cf46064e37e586560978e58cab110d2 Mon Sep 17 00:00:00 2001
From: Brian Gaeke <gaeke@uiuc.edu>
Date: Mon, 1 Dec 2003 21:33:31 +0000
Subject: Lock abstraction, introduced with a view toward making the JIT
 thread-safe. Eventually.

llvm-svn: 10284
---
 llvm/lib/Support/Mutex.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 llvm/lib/Support/Mutex.cpp

(limited to 'llvm/lib/Support/Mutex.cpp')

diff --git a/llvm/lib/Support/Mutex.cpp b/llvm/lib/Support/Mutex.cpp
new file mode 100644
index 00000000000..6271797da47
--- /dev/null
+++ b/llvm/lib/Support/Mutex.cpp
@@ -0,0 +1,24 @@
+//===-- Support/Lock.cpp - Platform-agnostic mutual exclusion -------------===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// Implementation of various methods supporting platform-agnostic lock
+// abstraction. See Support/Lock.h for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Support/Lock.h"
+
+using namespace llvm;
+
+Lock Lock::create () {
+  // Currently we only support creating POSIX pthread_mutex_t locks.
+  // In the future we might want to construct different kinds of locks
+  // based on what OS is running.
+  return POSIXLock ();
+}
-- 
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