libgo/go/syscall/forkpipe.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // +build darwin dragonfly solaris
   6
   7 package syscall
   8
   9 // Try to open a pipe with O_CLOEXEC set on both file descriptors.
  10 func forkExecPipe(p []int) error {
  11         err := Pipe(p)
  12         if err != nil {
  13                 return err
  14         }
  15         _, err = fcntl(p[0], F_SETFD, FD_CLOEXEC)
  16         if err != nil {
  17                 return err
  18         }
  19         _, err = fcntl(p[1], F_SETFD, FD_CLOEXEC)
  20         return err
  21 }