用户登录和接口鉴权

vendor/golang.org/x/sys/unix/syscall_dragonfly.go

@@ -246,18 +246,6 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 	return sendfile(outfd, infd, offset, count)
 }
 
-func Dup3(oldfd, newfd, flags int) error {
-	if oldfd == newfd || flags&^O_CLOEXEC != 0 {
-		return EINVAL
-	}
-	how := F_DUP2FD
-	if flags&O_CLOEXEC != 0 {
-		how = F_DUP2FD_CLOEXEC
-	}
-	_, err := fcntl(oldfd, how, newfd)
-	return err
-}
-
 /*
  * Exposed directly
  */