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-rw-r--r--include/atomic.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/atomic.h b/include/atomic.h
index 092b6e00a3..8a23f6ee9e 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -1,5 +1,5 @@
 /* Internal macros for atomic operations for GNU C Library.
-   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -151,6 +151,11 @@
 #endif
 
 
+#ifndef atomic_increment_val
+# define atomic_increment_val(mem) (atomic_exchange_and_add ((mem), 1) + 1)
+#endif
+
+
 /* Add one to *MEM and return true iff it's now zero.  */
 #ifndef atomic_increment_and_test
 # define atomic_increment_and_test(mem) \
@@ -163,6 +168,11 @@
 #endif
 
 
+#ifndef atomic_decrement_val
+# define atomic_decrement_val(mem) (atomic_exchange_and_add ((mem), -1) - 1)
+#endif
+
+
 /* Subtract 1 from *MEM and return true iff it's now zero.  */
 #ifndef atomic_decrement_and_test
 # define atomic_decrement_and_test(mem) \
@@ -243,4 +253,9 @@
 # define atomic_write_barrier() atomic_full_barrier ()
 #endif
 
+
+#ifndef atomic_delay
+# define atomic_delay() do { /* nothing */ } while (0)
+#endif
+
 #endif	/* atomic.h */