1 // Copyright 2011 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build freebsd && !amd64 6 7 package runtime 8 9 import "internal/abi" 10 11 //go:nosplit 12 //go:nowritebarrierrec 13 func setsig(i uint32, fn uintptr) { 14 var sa sigactiont 15 sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART 16 sa.sa_mask = sigset_all 17 if fn == abi.FuncPCABIInternal(sighandler) { // abi.FuncPCABIInternal(sighandler) matches the callers in signal_unix.go 18 fn = abi.FuncPCABI0(sigtramp) 19 } 20 sa.sa_handler = fn 21 sigaction(i, &sa, nil) 22 } 23