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authorIan Lance Taylor <iant@golang.org>2021-07-30 14:28:58 -0700
committerIan Lance Taylor <iant@golang.org>2021-08-12 20:23:07 -0700
commitc5b21c3f4c17b0649155035d2f9aa97b2da8a813 (patch)
treec6d3a68b503ba5b16182acbb958e3e5dbc95a43b /libgo/go/net/unixsock_readmsg_cloexec.go
parent72be20e20299ec57b4bc9ba03d5b7d6bf10e97cc (diff)
downloadgcc-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.go31
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)
+ }
+ }
+ }
+}