| // 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. | |
| package runtime | |
| func cgoSigtramp() | |
| //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 == funcPC(sighandler) { | |
| if iscgo { | |
| fn = funcPC(cgoSigtramp) | |
| } else { | |
| fn = funcPC(sigtramp) | |
| } | |
| } | |
| sa.sa_handler = fn | |
| sigaction(i, &sa, nil) | |
| } |