src: refactor timers to remove TimerWrap

Refactor Timers to behave more similarly to Immediates by having
a single uv_timer_t handle which is stored on the Environment.

No longer expose timers in a public binding and instead make
it part of the internalBinding.

PR-URL: https://github.com/nodejs/node/pull/20894
Fixes: https://github.com/nodejs/node/issues/10154
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/env-inl.h b/src/env-inl.h
index bbb80c6f7a..40fa5dfa68 100644
--- a/src/env-inl.h
+++ b/src/env-inl.h
@@ -334,6 +334,14 @@ inline tracing::Agent* Environment::tracing_agent() const {
   return tracing_agent_;
 }
 
+inline Environment* Environment::from_timer_handle(uv_timer_t* handle) {
+  return ContainerOf(&Environment::timer_handle_, handle);
+}
+
+inline uv_timer_t* Environment::timer_handle() {
+  return &timer_handle_;
+}
+
 inline Environment* Environment::from_immediate_check_handle(
     uv_check_t* handle) {
   return ContainerOf(&Environment::immediate_check_handle_, handle);