1 files changed, 22 insertions, 0 deletions
diff --git a/src/runtime/os_freebsd2.go b/src/runtime/os_freebsd2.go
new file mode 100644
index 0000000..3eaedf0
--- /dev/null
+++ b/src/runtime/os_freebsd2.go
@@ -0,0 +1,22 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build freebsd && !amd64
+
+package runtime
+
+import "internal/abi"
+
+//go:nosplit
+//go:nowritebarrierrec
+func setsig(i uint32, fn uintptr) {
+	var sa sigactiont
+	sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
+	sa.sa_mask = sigset_all
+	if fn == abi.FuncPCABIInternal(sighandler) { // abi.FuncPCABIInternal(sighandler) matches the callers in signal_unix.go
+		fn = abi.FuncPCABI0(sigtramp)
+	}
+	sa.sa_handler = fn
+	sigaction(i, &sa, nil)
+}