[llvm-commits] CVS: llvm/lib/Support/Lock.cpp

[Brian Gaeke]

Changes in directory llvm/lib/Support:

Lock.cpp added (r1.1)

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Log message:

Lock abstraction, introduced with a view toward making the JIT thread-safe.
Eventually.


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Diffs of the changes:  (+24 -0)

Index: llvm/lib/Support/Lock.cpp
diff -c /dev/null llvm/lib/Support/Lock.cpp:1.1
*** /dev/null	Mon Dec  1 15:33:41 2003
--- llvm/lib/Support/Lock.cpp	Mon Dec  1 15:33:31 2003
***************
*** 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 ();
+ }