runtime: size arena to fit in virtual address space limit
For Brad.
Now FreeBSD/386 binaries run on nearlyfreespeech.net.
Fixes #2302.
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5700060
diff --git a/src/pkg/runtime/thread_darwin.c b/src/pkg/runtime/thread_darwin.c
index 42fb770..d170dfb 100644
--- a/src/pkg/runtime/thread_darwin.c
+++ b/src/pkg/runtime/thread_darwin.c
@@ -424,3 +424,13 @@
runtime·osyield(void)
{
}
+
+uintptr
+runtime·memlimit(void)
+{
+ // NOTE(rsc): Could use getrlimit here,
+ // like on FreeBSD or Linux, but Darwin doesn't enforce
+ // ulimit -v, so it's unclear why we'd try to stay within
+ // the limit.
+ return 0;
+}
