diff options
Diffstat (limited to 'libgo/go/net/fd.go')
| -rw-r--r-- | libgo/go/net/fd.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libgo/go/net/fd.go b/libgo/go/net/fd.go index 76c953b..ff4f4f8 100644 --- a/libgo/go/net/fd.go +++ b/libgo/go/net/fd.go @@ -645,10 +645,14 @@ func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (netfd *netFD, err e } func (fd *netFD) dup() (f *os.File, err error) { + syscall.ForkLock.RLock() ns, err := syscall.Dup(fd.sysfd) if err != nil { + syscall.ForkLock.RUnlock() return nil, &OpError{"dup", fd.net, fd.laddr, err} } + syscall.CloseOnExec(ns) + syscall.ForkLock.RUnlock() // We want blocking mode for the new fd, hence the double negative. if err = syscall.SetNonblock(ns, false); err != nil { |