go os_freebsd_amd64 源码
golang os_freebsd_amd64 代码
文件路径：/src/runtime/os_freebsd_amd64.go
// 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
import "internal/abi"
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 == abi.FuncPCABIInternal(sighandler) { // abi.FuncPCABIInternal(sighandler) matches the callers in signal_unix.go
if iscgo {
fn = abi.FuncPCABI0(cgoSigtramp)
} else {
fn = abi.FuncPCABI0(sigtramp)
}
}
sa.sa_handler = fn
sigaction(i, &sa, nil)
}
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