From e395c94e5fb5ac0a5bb24573893caff53f79d89f Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Thu, 12 Jun 2025 12:01:48 +0200
Subject: [PATCH] runtime: implement NumCPU for the multicore scheduler

I forgot to add it in the first PR, here:
https://github.com/tinygo-org/tinygo/pull/4851
---
 src/runtime/scheduler_cores.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/runtime/scheduler_cores.go b/src/runtime/scheduler_cores.go
index 3b673e1e3..e261058a3 100644
--- a/src/runtime/scheduler_cores.go
+++ b/src/runtime/scheduler_cores.go
@@ -87,6 +87,11 @@ func Gosched() {
 	task.PauseLocked()
 }
 
+// NumCPU returns the number of CPU cores on this system.
+func NumCPU() int {
+	return numCPU
+}
+
 func addTimer(tn *timerNode) {
 	schedulerLock.Lock()
 	timerQueueAdd(tn)