gcc/libgo/go/net/unixsock_readmsg_cloexec.go
Ian Lance Taylor 3f2a6b041d net: add hurd build tag for setReadMsgCloseOnExec
Patch from Svante Signell.

	PR go/103573
	PR go/104290

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/386216
2022-02-17 09:30:02 -08:00

31 lines
662 B
Go

// Copyright 2021 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 aix || darwin || freebsd || hurd || solaris
package net
import "syscall"
const readMsgFlags = 0
func setReadMsgCloseOnExec(oob []byte) {
scms, err := syscall.ParseSocketControlMessage(oob)
if err != nil {
return
}
for _, scm := range scms {
if scm.Header.Level == syscall.SOL_SOCKET && scm.Header.Type == syscall.SCM_RIGHTS {
fds, err := syscall.ParseUnixRights(&scm)
if err != nil {
continue
}
for _, fd := range fds {
syscall.CloseOnExec(fd)
}
}
}
}