runtime: document that GC blocks the whole program
No code changes. Just make it clear that runtime.GC is not concurrent.
Change-Id: I00a99ebd26402817c665c9a128978cef19f037be
Reviewed-on: https://go-review.googlesource.com/12345
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/src/runtime/mgc.go b/src/runtime/mgc.go
index 4eff8fc..5bd62429 100644
--- a/src/runtime/mgc.go
+++ b/src/runtime/mgc.go
@@ -770,7 +770,7 @@
initialHeapLive uint64
}
-// GC runs a garbage collection and blocks until the garbage
+// GC runs a garbage collection and blocks the entire program until the
// collection is complete.
func GC() {
startGC(gcForceBlockMode)
