Use new atomic API in runtime system

All uses of the old deprecated atomic API in the runtime system
have been replaced with the use of the new atomic API. In a lot of
places this change imply a relaxation of memory barriers used.

1 files changed, 4 insertions, 4 deletions

diff --git a/erts/emulator/beam/erl_port_task.h b/erts/emulator/beam/erl_port_task.h
index 3e2c5f07ab..d7104e1143 100644
--- a/erts/emulator/beam/erl_port_task.h
+++ b/erts/emulator/beam/erl_port_task.h
@@ -79,13 +79,13 @@ ERTS_GLB_INLINE int erts_port_task_have_outstanding_io_tasks(void);
 ERTS_GLB_INLINE void
 erts_port_task_handle_init(ErtsPortTaskHandle *pthp)
 {
-    erts_smp_atomic_init(pthp, (erts_aint_t) NULL);
+    erts_smp_atomic_init_nob(pthp, (erts_aint_t) NULL);
 }
 
 ERTS_GLB_INLINE int
 erts_port_task_is_scheduled(ErtsPortTaskHandle *pthp)
 {
-    return ((void *) erts_smp_atomic_read(pthp)) != NULL;
+    return ((void *) erts_smp_atomic_read_nob(pthp)) != NULL;
 }
 
 ERTS_GLB_INLINE void
@@ -102,8 +102,8 @@ erts_port_task_init_sched(ErtsPortTaskSched *ptsp)
 ERTS_GLB_INLINE int
 erts_port_task_have_outstanding_io_tasks(void)
 {
-    ERTS_THR_MEMORY_BARRIER;
-    return erts_smp_atomic_read(&erts_port_task_outstanding_io_tasks) != 0;
+    return (erts_smp_atomic_read_acqb(&erts_port_task_outstanding_io_tasks)
+	    != 0);
 }
 
 #endif /* ERTS_INCLUDE_SCHEDULER_INTERNALS */