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, 9 insertions, 9 deletions

diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 68b3350d7f..98dde066fc 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -811,7 +811,7 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1)
     so.min_heap_size  = H_MIN_SIZE;
     so.min_vheap_size = BIN_VH_MIN_SIZE;
     so.priority       = PRIORITY_NORMAL;
-    so.max_gen_gcs    = (Uint16) erts_smp_atomic32_read(&erts_max_gen_gcs);
+    so.max_gen_gcs    = (Uint16) erts_smp_atomic32_read_nob(&erts_max_gen_gcs);
     so.scheduler      = 0;
 
     /*
@@ -3417,10 +3417,10 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
 
     erts_smp_mtx_lock(&ports_snapshot_mtx); /* One snapshot at a time */
 
-    erts_smp_atomic_set(&erts_dead_ports_ptr,
-			(erts_aint_t) (port_buf + erts_max_ports));
+    erts_smp_atomic_set_nob(&erts_dead_ports_ptr,
+			    (erts_aint_t) (port_buf + erts_max_ports));
 
-    next_ss = erts_smp_atomic32_inctest(&erts_ports_snapshot);
+    next_ss = erts_smp_atomic32_inc_read_relb(&erts_ports_snapshot);
 
     for (i = erts_max_ports-1; i >= 0; i--) {
 	Port* prt = &erts_port[i];
@@ -3434,8 +3434,8 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
 	erts_smp_port_state_unlock(prt);
     }
 
-    dead_ports = (Eterm*)erts_smp_atomic_xchg(&erts_dead_ports_ptr,
-					      (erts_aint_t) NULL);
+    dead_ports = (Eterm*)erts_smp_atomic_xchg_nob(&erts_dead_ports_ptr,
+						  (erts_aint_t) NULL);
     erts_smp_mtx_unlock(&ports_snapshot_mtx);
 
     ASSERT(pp <= dead_ports);
@@ -3942,8 +3942,8 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
 	    goto error;
 	}
 	nval = (n > (Sint) ((Uint16) -1)) ? ((Uint16) -1) : ((Uint16) n);
-	oval = (Uint) erts_smp_atomic32_xchg(&erts_max_gen_gcs,
-					     (erts_aint32_t) nval);
+	oval = (Uint) erts_smp_atomic32_xchg_nob(&erts_max_gen_gcs,
+						 (erts_aint32_t) nval);
 	BIF_RET(make_small(oval));
     } else if (BIF_ARG_1 == am_min_heap_size) {
 	int oval = H_MIN_SIZE;
@@ -4286,7 +4286,7 @@ void erts_init_bif(void)
 
     erts_smp_spinlock_init(&make_ref_lock, "make_ref");
     erts_smp_mtx_init(&ports_snapshot_mtx, "ports_snapshot");
-    erts_smp_atomic_init(&erts_dead_ports_ptr, (erts_aint_t) NULL);
+    erts_smp_atomic_init_nob(&erts_dead_ports_ptr, (erts_aint_t) NULL);
 
     /*
      * bif_return_trap/1 is a hidden BIF that bifs that need to