Rename thread hint native funcs

Reviewed By: mdko

Differential Revision: D95477557

fbshipit-source-id: 4b6e3762a4cd55f70ce49e97fef1c3463edb0b92

Author: jtwarren

hphp/runtime/ext/server/ext_server.cpp

@@ -219,13 +219,13 @@ int64_t HHVM_FUNCTION(server_process_start_time) {
   return BootStats::startTimestamp();
 }
 
-void HHVM_FUNCTION(enable_first_flush, int64_t hint) {
+void HHVM_FUNCTION(enable_thread_hint, int64_t hint) {
   if (!Cfg::Server::ScxThreadHintFirstFlushOverride) return;
   ThreadHint::getInstance().updateThreadHint(
     ThreadHint::Priority::FirstFlush);
 }
 
-void HHVM_FUNCTION(disable_first_flush, int64_t hint) {
+void HHVM_FUNCTION(disable_thread_hint, int64_t hint) {
   if (!Cfg::Server::ScxThreadHintFirstFlushOverride) return;
   ThreadHint::getInstance().updateThreadHint(
     ThreadHint::Priority::Processing);
@@ -254,8 +254,8 @@ void ServerExtension::moduleRegisterNative() {
   HHVM_FALIAS(HH\\server_health_level, server_health_level);
   HHVM_FALIAS(HH\\server_uptime, server_uptime);
   HHVM_FALIAS(HH\\server_process_start_time, server_process_start_time);
-  HHVM_FALIAS(HH\\Experimental\\enable_first_flush, enable_first_flush);
-  HHVM_FALIAS(HH\\Experimental\\disable_first_flush, disable_first_flush);
+  HHVM_FALIAS(HH\\Experimental\\enable_thread_hint, enable_thread_hint);
+  HHVM_FALIAS(HH\\Experimental\\disable_thread_hint, disable_thread_hint);
 }
 
 ///////////////////////////////////////////////////////////////////////////////

hphp/runtime/ext/server/ext_server.php

@@ -227,28 +227,19 @@ function server_process_start_time(): int;
 namespace HH\Experimental {
 
 /**
- * Hint to the kernel scheduler that the current thread is doing
- * latency-critical work (pre-first-flush). Call disable_first_flush()
- * when the critical section ends.
- *
- * Only effective when Server.ScxThreadHintFirstFlushOverride is enabled.
- * No-op otherwise.
+ * Pass thread hint to hhvm thread scheduler to influence scheduling decisions.
  *
  * EXPERIMENTAL: This API is subject to change or removal.
  */
 <<__Native>>
-function enable_first_flush(int $hint = 0): void;
+function enable_thread_hint(int $hint = 0): void;
 
 /**
- * Remove the first-flush scheduling hint, returning the thread to
- * normal processing priority.
- *
- * Only effective when Server.ScxThreadHintFirstFlushOverride is enabled.
- * No-op otherwise.
+ * Stop hinting to the hhvm thread scheduler to influence scheduling decisions.
  *
  * EXPERIMENTAL: This API is subject to change or removal.
  */
 <<__Native>>
-function disable_first_flush(int $hint = 0): void;
+function disable_thread_hint(int $hint = 0): void;
 
 } // namespace HH\Experimental