diff options
Diffstat (limited to 'libgo/go/net/unixsock_readmsg_cloexec.go')
-rw-r--r-- | libgo/go/net/unixsock_readmsg_cloexec.go | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libgo/go/net/unixsock_readmsg_cloexec.go b/libgo/go/net/unixsock_readmsg_cloexec.go new file mode 100644 index 0000000..716484c --- /dev/null +++ b/libgo/go/net/unixsock_readmsg_cloexec.go @@ -0,0 +1,31 @@ +// 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 || solaris +// +build aix darwin freebsd 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) + } + } + } +} |