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From: <ric...@us...> - 2009-11-02 05:34:28
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Revision: 1045
http://loki-lib.svn.sourceforge.net/loki-lib/?rev=1045&view=rev
Author: rich_sposato
Date: 2009-11-02 05:34:21 +0000 (Mon, 02 Nov 2009)
Log Message:
-----------
Added new header to Loki.
Added Paths:
-----------
trunk/include/loki/ThreadLocal.h
Added: trunk/include/loki/ThreadLocal.h
===================================================================
--- trunk/include/loki/ThreadLocal.h (rev 0)
+++ trunk/include/loki/ThreadLocal.h 2009-11-02 05:34:21 UTC (rev 1045)
@@ -0,0 +1,69 @@
+////////////////////////////////////////////////////////////////////////////////
+// The Loki Library
+// Copyright (c) 2009 by Rich Sposato
+// Permission to use, copy, modify, distribute and sell this software for any
+// purpose is hereby granted without fee, provided that the above copyright
+// notice appear in all copies and that both that copyright notice and this
+// permission notice appear in supporting documentation.
+// The author makes no representations about the
+// suitability of this software for any purpose. It is provided "as is"
+// without express or implied warranty.
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef LOKI_THREAD_LOCAL_H_INCLUDED
+#define LOKI_THREAD_LOCAL_H_INCLUDED
+
+// $Id$
+
+
+// ----------------------------------------------------------------------------
+
+// First assume the compiler does allow thread-local storage by #defining the
+// macro which allows compiler to see the code inside this file.
+// Then #undefine the macro for compilers which are known for not supporting
+// thread-local storage.
+#define LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE 1
+
+// The __APPLE__ macro does not refer to a compiler, but to the Apple OSX operating system.
+#if defined( __APPLE__ )
+ #warning "GCC for Apple does not allow thread_local storage, so you can not use some parts of Loki."
+ #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+#endif
+
+#if ( defined( __CYGWIN__ ) && ( __GNUC__ <= 3 ) )
+ #warning "Older versions of GCC for Cygwin do not allow thread_local storage, so you can not use some parts of Loki."
+ #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+#endif
+
+#if defined( LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE ) && !defined( LOKI_THREAD_LOCAL )
+
+/** @par thread_local Keyword
+ Some parts of Loki require compilers to provide thread local storage - meaning
+ each thread gets its own copy of the data. The next version of C++ will have
+ a new keyword, thread_local for that purpose. Some existing compilers already
+ provide thread local storage using different syntax, so these lines use
+ thread_local to mimic that syntax. If your compiler provides thread local
+ storage but using different syntax besides "thread_local", you may want to
+ modify these lines. If your compiler does not support thread local storage,
+ you can't use some parts of Loki.
+ */
+ #if defined( _MSC_VER )
+ #if ( _MSC_VER >= 1300 )
+ #define LOKI_THREAD_LOCAL __declspec( thread )
+ #else
+ #error "Only Visual Studio versions 7.0 and after supported."
+ #endif
+
+ #elif ( __GNUC__ )
+ #define LOKI_THREAD_LOCAL __thread
+
+ #else
+ #warning "Check if your compiler provides thread local storage."
+ #define LOKI_THREAD_LOCAL thread_local
+ #endif
+
+#endif // if compiler allows thread_local storage and LOKI_THREAD_LOCAL macro not defined yet
+
+// ----------------------------------------------------------------------------
+
+#endif // end file guardian
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From: <ric...@us...> - 2009-11-20 06:35:37
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Revision: 1056
http://loki-lib.svn.sourceforge.net/loki-lib/?rev=1056&view=rev
Author: rich_sposato
Date: 2009-11-20 06:35:29 +0000 (Fri, 20 Nov 2009)
Log Message:
-----------
Added warning to suggest running ThreadLocal test project.
Modified Paths:
--------------
trunk/include/loki/ThreadLocal.h
Modified: trunk/include/loki/ThreadLocal.h
===================================================================
--- trunk/include/loki/ThreadLocal.h 2009-11-20 06:33:15 UTC (rev 1055)
+++ trunk/include/loki/ThreadLocal.h 2009-11-20 06:35:29 UTC (rev 1056)
@@ -20,7 +20,7 @@
// First assume the compiler does allow thread-local storage by #defining the
// macro which allows compiler to see the code inside this file.
-// Then #undefine the macro for compilers which are known for not supporting
+// Then #undef the macro for compilers which are known for not supporting
// thread-local storage.
#define LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE 1
@@ -59,6 +59,7 @@
#else
#warning "Check if your compiler provides thread local storage."
+ #warning "Run ThreadLocal test project to see if the compiler implements thread_local correctly."
#define LOKI_THREAD_LOCAL thread_local
#endif
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From: <ric...@us...> - 2011-06-21 03:35:36
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Revision: 1087
http://loki-lib.svn.sourceforge.net/loki-lib/?rev=1087&view=rev
Author: rich_sposato
Date: 2011-06-21 03:35:30 +0000 (Tue, 21 Jun 2011)
Log Message:
-----------
Changed preprocessor statements to provide clarity.
Modified Paths:
--------------
trunk/include/loki/ThreadLocal.h
Modified: trunk/include/loki/ThreadLocal.h
===================================================================
--- trunk/include/loki/ThreadLocal.h 2011-06-21 03:32:19 UTC (rev 1086)
+++ trunk/include/loki/ThreadLocal.h 2011-06-21 03:35:30 UTC (rev 1087)
@@ -20,19 +20,28 @@
// First assume the compiler does allow thread-local storage by #defining the
// macro which allows compiler to see the code inside this file.
-// Then #undef the macro for compilers which are known for not supporting
-// thread-local storage.
+// Then #undef the macro for compilers which do not support thread-local
+// storage or do not implement it correctly.
#define LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE 1
-// The __APPLE__ macro does not refer to a compiler, but to the Apple OSX operating system.
-#if defined( __APPLE__ )
- #warning "GCC for Apple does not allow thread_local storage, so you can not use some parts of Loki."
- #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
-#endif
+#if defined( __GNUC__ )
+ // The __APPLE__ macro does not refer to a compiler, but to the Apple OSX operating system.
+ #if defined( __APPLE__ )
+ #warning "GCC for Apple does not allow thread_local storage, so you can not use some parts of Loki."
+ #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
-#if ( defined( __CYGWIN__ ) && ( __GNUC__ <= 3 ) )
- #warning "Older versions of GCC for Cygwin do not allow thread_local storage, so you can not use some parts of Loki."
- #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+ #elif defined( __CYGWIN__ )
+ #if ( __GNUC__ <= 3 )
+ #warning "Older versions of GCC for Cygwin do not allow thread_local storage, so you can not use some parts of Loki."
+ #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+ #endif
+
+ #elif ( __GNUC__ == 4 ) // GNU versions other than Cygwin.
+ #if ( __GNUC_MINOR__ == 4 )
+ #warning "GCC version 4.4 implements thread_local storage incorrectly, so you can not use some parts of Loki."
+ #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+ #endif
+ #endif
#endif
#if defined( LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE ) && !defined( LOKI_THREAD_LOCAL )
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From: <ric...@us...> - 2011-09-29 20:40:19
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Revision: 1119
http://loki-lib.svn.sourceforge.net/loki-lib/?rev=1119&view=rev
Author: rich_sposato
Date: 2011-09-29 20:40:13 +0000 (Thu, 29 Sep 2011)
Log Message:
-----------
Changed check for GCC version 4.4
Modified Paths:
--------------
trunk/include/loki/ThreadLocal.h
Modified: trunk/include/loki/ThreadLocal.h
===================================================================
--- trunk/include/loki/ThreadLocal.h 2011-09-29 20:36:38 UTC (rev 1118)
+++ trunk/include/loki/ThreadLocal.h 2011-09-29 20:40:13 UTC (rev 1119)
@@ -34,25 +34,28 @@
// macro which allows compiler to see the code inside this file.
// Then #undef the macro for compilers which do not support thread-local
// storage or do not implement it correctly.
-#define LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE 1
+#define LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE 1
#if defined( __GNUC__ )
// The __APPLE__ macro does not refer to a compiler, but to the Apple OSX operating system.
#if defined( __APPLE__ )
#warning "GCC for Apple does not allow thread_local storage, so you can not use some parts of Loki."
- #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+ #undef LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
#elif defined( __CYGWIN__ )
#if ( __GNUC__ <= 3 )
#warning "Older versions of GCC for Cygwin do not allow thread_local storage, so you can not use some parts of Loki."
- #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+ #undef LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
#endif
#elif ( __GNUC__ == 4 ) // GNU versions other than Cygwin.
- #if ( __GNUC_MINOR__ == 4 )
- #warning "GCC version 4.4 implements thread_local storage incorrectly, so you can not use some parts of Loki."
- #undef COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
- #endif
+ #if ( __GNUC_MINOR__ < 4 )
+ #warning "GCC versions before 4.4 implement thread_local storage incorrectly, so you can not use some parts of Loki."
+ #undef LOKI_THINKS_COMPILER_ALLOWS_THREAD_LOCAL_STORAGE
+ #elif ( __GNUC_MINOR__ == 4 )
+ #warning "GCC version 4.4 implements thread_local storage incorrectly for some platforms but not others."
+ #endif
+
#endif
#endif
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