From 5c8726d602fe73e49d027194fef65b9432872c8b Mon Sep 17 00:00:00 2001
From: Dylan Conway <35280289+dylan-conway@users.noreply.github.com>
Date: Tue, 11 Jul 2023 12:48:46 -0700
Subject: process signal events (#3569)

* signal events

* simple tests

* ignore SIGSTOP

* better tests

* use `EventEmitter`

* use `Bun__getDefaultGlobal`

* progress

* don't use 'Bun__getDefaultGlobal`

* fix tests

* remove signals from map

* update tests

* don't overwrite event emitter methods

* avoid two lookups

* use `std::once`

* releaseEarly()

* Remove signal handler after use

* Update call-raise.js

* Create process-signal-handler.fixture.js

* Don't register duplicates

* Add missing lock

* another test

* update test

* revert some changes

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
---
 src/bun.js/bindings/webcore/EventEmitter.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/bun.js/bindings/webcore/EventEmitter.cpp')

diff --git a/src/bun.js/bindings/webcore/EventEmitter.cpp b/src/bun.js/bindings/webcore/EventEmitter.cpp
index 0650d624c..0e273042b 100644
--- a/src/bun.js/bindings/webcore/EventEmitter.cpp
+++ b/src/bun.js/bindings/webcore/EventEmitter.cpp
@@ -35,6 +35,8 @@ bool EventEmitter::addListener(const Identifier& eventType, Ref<EventListener>&&
     }
 
     eventListenersDidChange();
+    if (this->onDidChangeListener)
+        this->onDidChangeListener(*this, eventType, true);
     return true;
 }
 
@@ -62,6 +64,9 @@ bool EventEmitter::removeListener(const Identifier& eventType, EventListener& li
 
     if (data->eventListenerMap.remove(eventType, listener)) {
         eventListenersDidChange();
+
+        if (this->onDidChangeListener)
+            this->onDidChangeListener(*this, eventType, false);
         return true;
     }
     return false;
@@ -93,6 +98,8 @@ bool EventEmitter::removeAllListeners(const Identifier& eventType)
 
     if (data->eventListenerMap.removeAll(eventType)) {
         eventListenersDidChange();
+        if (this->onDidChangeListener)
+            this->onDidChangeListener(*this, eventType, false);
         return true;
     }
     return false;
-- 
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