gcc/libgo/go/syscall/sock_cloexec_linux.go

30 lines
632 B
Go

// Copyright 2019 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 syscall
// This is a stripped down version of sysSocket from net/sock_cloexec.go.
func cloexecSocket(family, sotype, proto int) (int, error) {
s, err := Socket(family, sotype|SOCK_CLOEXEC, proto)
switch err {
case nil:
return s, nil
default:
return -1, err
case EINVAL:
}
ForkLock.RLock()
s, err = Socket(family, sotype, proto)
if err == nil {
CloseOnExec(s)
}
ForkLock.RUnlock()
if err != nil {
Close(s)
return -1, err
}
return s, nil
}