diff options
| author | Anna Henningsen <anna@addaleax.net> | 2018-03-07 19:55:24 +0300 |
|---|---|---|
| committer | Anna Henningsen <anna@addaleax.net> | 2018-03-15 14:53:07 +0300 |
| commit | f7f1437d44f3e4b745e36540a752065cc58d993b (patch) | |
| tree | 39493f25b64da7761cb0fb142c95cb121e3d0f7c /src/async_wrap-inl.h | |
| parent | f734b3eb04c0d355ef7ab893ed5869b867d35642 (diff) | |
src: add helper for before/after scope without JS calls
Add `AsyncScope` for cases where the async_hooks `before` and
`after` callbacks should be called, to track async context,
but no actual JS is called in between and we can therefore
skip things like draining the microtask or `nextTick` queues.
PR-URL: https://github.com/nodejs/node/pull/18936
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Diffstat (limited to 'src/async_wrap-inl.h')
| -rw-r--r-- | src/async_wrap-inl.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/async_wrap-inl.h b/src/async_wrap-inl.h index 21b1f9cee9f..c9f12333243 100644 --- a/src/async_wrap-inl.h +++ b/src/async_wrap-inl.h @@ -45,6 +45,22 @@ inline double AsyncWrap::get_trigger_async_id() const { } +inline AsyncWrap::AsyncScope::AsyncScope(AsyncWrap* wrap) + : wrap_(wrap) { + Environment* env = wrap->env(); + if (env->async_hooks()->fields()[Environment::AsyncHooks::kBefore] == 0) + return; + EmitBefore(env, wrap->get_async_id()); +} + +inline AsyncWrap::AsyncScope::~AsyncScope() { + Environment* env = wrap_->env(); + if (env->async_hooks()->fields()[Environment::AsyncHooks::kAfter] == 0) + return; + EmitAfter(env, wrap_->get_async_id()); +} + + inline v8::MaybeLocal<v8::Value> AsyncWrap::MakeCallback( const v8::Local<v8::String> symbol, int argc, |