1 files changed, 84 insertions, 0 deletions
diff --git a/gdb/osf-share/cma_list.h b/gdb/osf-share/cma_list.h
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+++ b/gdb/osf-share/cma_list.h
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+/* 
+ * (c) Copyright 1990-1996 OPEN SOFTWARE FOUNDATION, INC.
+ * (c) Copyright 1990-1996 HEWLETT-PACKARD COMPANY
+ * (c) Copyright 1990-1996 DIGITAL EQUIPMENT CORPORATION
+ * (c) Copyright 1991, 1992 Siemens-Nixdorf Information Systems
+ * To anyone who acknowledges that this file is provided "AS IS" without
+ * any express or implied warranty: permission to use, copy, modify, and
+ * distribute this file for any purpose is hereby granted without fee,
+ * provided that the above copyright notices and this notice appears in
+ * all source code copies, and that none of the names listed above be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  None of these organizations
+ * makes any representations about the suitability of this software for
+ * any purpose.
+ */
+/*
+ *	Header file for generic list functions operating on singly linked
+ *	null-terminated lists.  Items may not be REMOVED from the list!  The
+ *	intent is that the list can be traversed (for read-only operations)
+ *	without locking, since insertion is "safe" (though not truely
+ *	atomic).  THIS ASSUMES THAT THE HARDWARE MAKES WRITES VISIBLE TO READS
+ *	IN THE ORDER IN WHICH THEY OCCURRED!  WITHOUT SUCH READ/WRITE
+ *	ORDERING, IT MAY BE NECESSARY TO INSERT "BARRIERS" TO PRODUCE THE
+ *	REQUIRED VISIBILITY!
+ */
+
+#ifndef CMA_LIST
+#define CMA_LIST
+
+/*
+ *  INCLUDE FILES
+ */
+
+#include <cma.h>
+
+/*
+ * CONSTANTS AND MACROS
+ */
+
+#define cma__c_null_list	((cma__t_list *)cma_c_null_ptr)
+
+/*
+ * Test whether a list is empty.  Return cma_c_true if so, else
+ * cma_c_false.
+ */
+#define cma__list_empty(head)	((head)->link == cma__c_null_list)
+
+/*
+ * Initialize a queue header to empty.
+ */
+#define cma__list_init(head)	(void)((head)->link = cma__c_null_list)
+
+/*
+ * Insert an element in a list following the specified item (or at the
+ * beginning of the list if "list" is the list head).  NOTE: insertion
+ * operations should be interlocked by the caller!
+ */
+#define cma__list_insert(element,list)    (void)(	\
+    (element)->link		= (list)->link,		\
+    (list)->link		= (element))
+
+/*
+ * Return the next item in a list (or the first, if the address is of the
+ * list header)
+ */
+#define cma__list_next(element)    ((element)->link)
+
+/*
+ * TYPEDEFS
+ */
+
+typedef struct CMA__T_LIST {
+    struct CMA__T_LIST	*link;		/* Forward link */
+    } cma__t_list;
+
+/*
+ *  GLOBAL DATA
+ */
+
+/*
+ * INTERNAL INTERFACES
+ */
+
+#endif