Runtime: adjust runtime for 5.1

Author: hhugo

runtime/js/domain.js

@@ -51,6 +51,7 @@ function caml_atomic_exchange(ref, v) {
 }
 
 //Provides: caml_atomic_make_contended
+//Version: >= 5.2
 function caml_atomic_make_contended(a) {
   return [0, a];
 }

runtime/js/gc.js

@@ -92,6 +92,7 @@ function caml_memprof_stop(unit) {
 }
 
 //Provides: caml_memprof_discard
+//Version: >= 5.2
 function caml_memprof_discard(t) {
   return 0;
 }

runtime/js/io.js

@@ -338,6 +338,7 @@ function caml_ml_input(chanid, b, i, l) {
 //Provides: caml_ml_input_bigarray
 //Requires: caml_ml_input_block
 //Requires: caml_ba_to_typed_array
+//Version: >= 5.2
 function caml_ml_input_bigarray(chanid, b, i, l) {
   var ba = caml_ba_to_typed_array(b);
   return caml_ml_input_block(chanid, ba, i, l);
@@ -584,6 +585,7 @@ function caml_ml_output_bytes(chanid, buffer, offset, len) {
 
 //Provides: caml_ml_output_bigarray
 //Requires: caml_ba_to_typed_array, caml_ml_output_ta
+//Version: >= 5.2
 function caml_ml_output_bigarray(chanid, buffer, offset, len) {
   var buffer = caml_ba_to_typed_array(buffer);
   return caml_ml_output_ta(chanid, buffer, offset, len);

runtime/js/runtime_events.js

@@ -19,25 +19,43 @@ function caml_runtime_events_user_resolve() {
 }
 
 //Provides: caml_ml_runtime_events_start
-//Alias: caml_runtime_events_start
+//Version: >= 5.2
 function caml_ml_runtime_events_start() {
   return 0;
 }
 
+//Provides: caml_runtime_events_start
+//Version: < 5.2
+function caml_runtime_events_start() {
+  return 0;
+}
+
 //Provides: caml_ml_runtime_events_pause
-//Alias: caml_runtime_events_pause
+//Version: >= 5.2
 function caml_ml_runtime_events_pause() {
   return 0;
 }
 
+//Provides: caml_runtime_events_pause
+//Version: < 5.2
+function caml_runtime_events_pause() {
+  return 0;
+}
+
 //Provides: caml_ml_runtime_events_are_active
 //Version: >= 5.2
 function caml_ml_runtime_events_are_active() {
   return 0;
 }
 
+//Provides: caml_runtime_events_resume
+//Version: < 5.2
+function caml_runtime_events_resume() {
+  return 0;
+}
+
 //Provides: caml_ml_runtime_events_resume
-//Alias: caml_runtime_events_resume
+//Version: >= 5.2
 function caml_ml_runtime_events_resume() {
   return 0;
 }