runtime: allow cgo callbacks on non-Go threads
Fixes #4435.
R=golang-dev, iant, alex.brainman, minux.ma, dvyukov
CC=golang-dev
https://golang.org/cl/7304104
diff --git a/src/pkg/runtime/thread_netbsd.c b/src/pkg/runtime/thread_netbsd.c
index bbe7df6..ebef45e 100644
--- a/src/pkg/runtime/thread_netbsd.c
+++ b/src/pkg/runtime/thread_netbsd.c
@@ -199,6 +199,13 @@
runtime·sigprocmask(SIG_SETMASK, &sigset_none, nil);
}
+// Called from dropm to undo the effect of an minit.
+void
+runtime·unminit(void)
+{
+ runtime·signalstack(nil, 0);
+}
+
void
runtime·sigpanic(void)
{
