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//go:build !js && !wasm && (linux || darwin || dragonfly || freebsd || netbsd || openbsd || rumprun || (zos && s390x))
package tcplisten
import (
"fmt"
"syscall"
"golang.org/x/sys/unix"
)
func newSocketCloexecOld(domain, typ, proto int) (int, error) {
syscall.ForkLock.RLock()
fd, err := unix.Socket(domain, typ, proto)
if err == nil {
unix.CloseOnExec(fd)
}
syscall.ForkLock.RUnlock()
if err != nil {
return -1, fmt.Errorf("cannot create listening socket: %w", err)
}
if err = unix.SetNonblock(fd, true); err != nil {
unix.Close(fd)
return -1, fmt.Errorf("cannot make non-blocked listening socket: %w", err)
}
return fd, nil
}
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