- Added more semaphore locking around the basic stdio, memory, locale

and dirent data operations. That should do it! While the library is
  not reentrant (this is not ixemul.library) it should be thread-safe
  now. Thread-safe in the sense of POSIX 1003.1c-1995.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14842 87f5fb63-7c3d-0410-a384-fd976d0f7a62

library/ctype_toupper.c

@@ -1,5 +1,5 @@
 /*
- * $Id: ctype_toupper.c,v 1.2 2005-01-02 09:07:07 obarthel Exp $
+ * $Id: ctype_toupper.c,v 1.3 2005-02-27 21:58:21 obarthel Exp $
  *
  * :ts=4
  *
@@ -43,6 +43,8 @@ toupper(int c)
 	DECLARE_LOCALEBASE();
 	int result;
 
+	__locale_lock();
+
 	if(__locale_table[LC_CTYPE] != NULL)
 	{
 		assert( LocaleBase != NULL );
@@ -54,5 +56,7 @@ toupper(int c)
 		result = ('a' <= c && c <= 'z') ? (c - ('a' - 'A')) : c;
 	}
 
+	__locale_unlock();
+
 	return(result);
 }