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       1                 :            : /*
       2                 :            :  * Copyright (c) 2008 Kungliga Tekniska Högskolan
       3                 :            :  * (Royal Institute of Technology, Stockholm, Sweden).
       4                 :            :  * All rights reserved.
       5                 :            :  *
       6                 :            :  * Redistribution and use in source and binary forms, with or without
       7                 :            :  * modification, are permitted provided that the following conditions
       8                 :            :  * are met:
       9                 :            :  *
      10                 :            :  * 1. Redistributions of source code must retain the above copyright
      11                 :            :  *    notice, this list of conditions and the following disclaimer.
      12                 :            :  *
      13                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      14                 :            :  *    notice, this list of conditions and the following disclaimer in the
      15                 :            :  *    documentation and/or other materials provided with the distribution.
      16                 :            :  *
      17                 :            :  * 3. Neither the name of the Institute nor the names of its contributors
      18                 :            :  *    may be used to endorse or promote products derived from this software
      19                 :            :  *    without specific prior written permission.
      20                 :            :  *
      21                 :            :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      22                 :            :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23                 :            :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24                 :            :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      25                 :            :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26                 :            :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27                 :            :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28                 :            :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29                 :            :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30                 :            :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31                 :            :  * SUCH DAMAGE.
      32                 :            :  */
      33                 :            : 
      34                 :            : #include <config.h>
      35                 :            : 
      36                 :            : #include "roken.h"
      37                 :            : 
      38                 :            : void ROKEN_LIB_FUNCTION
      39                 :          0 : rk_cloexec(int fd)
      40                 :            : {
      41                 :            : #ifdef HAVE_FCNTL
      42                 :            :     int ret;
      43                 :            : 
      44                 :            :     ret = fcntl(fd, F_GETFD);
      45                 :            :     if (ret == -1)
      46                 :            :         return;
      47                 :            :     if (fcntl(fd, F_SETFD, ret | FD_CLOEXEC) == -1)
      48                 :            :         return;
      49                 :            : #endif
      50                 :          0 : }
      51                 :            : 
      52                 :            : void ROKEN_LIB_FUNCTION
      53                 :          0 : rk_cloexec_file(FILE *f)
      54                 :            : {
      55                 :            : #ifdef HAVE_FCNTL
      56                 :            :     rk_cloexec(fileno(f));
      57                 :            : #endif
      58                 :          0 : }
      59                 :            : 
      60                 :            : void ROKEN_LIB_FUNCTION
      61                 :          0 : rk_cloexec_dir(DIR * d)
      62                 :            : {
      63                 :            : #ifndef _WIN32
      64                 :          0 :     rk_cloexec(dirfd(d));
      65                 :            : #endif
      66                 :          0 : }