diff options
author | Ian Lance Taylor <iant@golang.org> | 2021-07-30 14:28:58 -0700 |
---|---|---|
committer | Ian Lance Taylor <iant@golang.org> | 2021-08-12 20:23:07 -0700 |
commit | c5b21c3f4c17b0649155035d2f9aa97b2da8a813 (patch) | |
tree | c6d3a68b503ba5b16182acbb958e3e5dbc95a43b /libgo/go/net/unixsock_readmsg_cloexec.go | |
parent | 72be20e20299ec57b4bc9ba03d5b7d6bf10e97cc (diff) | |
download | gcc-c5b21c3f4c17b0649155035d2f9aa97b2da8a813.tar.gz |
libgo: update to Go1.17rc2
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/341629
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 00000000000..716484cc6ce --- /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) + } + } + } +} |