Index: uspace/lib/libc/arch/ia64/include/atomic.h
===================================================================
--- uspace/lib/libc/arch/ia64/include/atomic.h	(revision 5ee2384b7a8c0f0115345e8145310f99551b9c20)
+++ uspace/lib/libc/arch/ia64/include/atomic.h	(revision b03a6661abd7275f3449da5ceb08f6e13194c4f3)
@@ -42,5 +42,5 @@
 static inline void atomic_inc(atomic_t *val)
 {
-	long v;
+	atomic_count_t v;
 	
 	asm volatile (
@@ -53,5 +53,5 @@
 static inline void atomic_dec(atomic_t *val)
 {
-	long v;
+	atomic_count_t v;
 	
 	asm volatile (
@@ -62,7 +62,7 @@
 }
 
-static inline long atomic_preinc(atomic_t *val)
+static inline atomic_count_t atomic_preinc(atomic_t *val)
 {
-	long v;
+	atomic_count_t v;
 	
 	asm volatile (
@@ -75,7 +75,7 @@
 }
 
-static inline long atomic_predec(atomic_t *val)
+static inline atomic_count_t atomic_predec(atomic_t *val)
 {
-	long v;
+	atomic_count_t v;
 	
 	asm volatile (
@@ -88,7 +88,7 @@
 }
 
-static inline long atomic_postinc(atomic_t *val)
+static inline atomic_count_t atomic_postinc(atomic_t *val)
 {
-	long v;
+	atomic_count_t v;
 	
 	asm volatile (
@@ -101,7 +101,7 @@
 }
 
-static inline long atomic_postdec(atomic_t *val)
+static inline atomic_count_t atomic_postdec(atomic_t *val)
 {
-	long v;
+	atomic_count_t v;
 	
 	asm volatile (
Index: uspace/lib/libc/arch/ia64/include/types.h
===================================================================
--- uspace/lib/libc/arch/ia64/include/types.h	(revision 5ee2384b7a8c0f0115345e8145310f99551b9c20)
+++ uspace/lib/libc/arch/ia64/include/types.h	(revision b03a6661abd7275f3449da5ceb08f6e13194c4f3)
@@ -59,4 +59,6 @@
 
 typedef uint64_t uintptr_t;
+typedef uint64_t atomic_count_t;
+typedef int64_t atomic_signed_t;
 
 typedef struct {