mdw@git.distorted.org.uk Git - mLib/blob - sys/fdflags.h

   1 /* -*-c-*-
   2  *
   3  * Manipulates flags on file descriptors
   4  *
   5  * (c) 1999 Straylight/Edgeware
   6  */
   7
   8 /*----- Licensing notice --------------------------------------------------*
   9  *
  10  * This file is part of the mLib utilities library.
  11  *
  12  * mLib is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU Library General Public License as
  14  * published by the Free Software Foundation; either version 2 of the
  15  * License, or (at your option) any later version.
  16  *
  17  * mLib is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU Library General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Library General Public
  23  * License along with mLib; if not, write to the Free
  24  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  25  * MA 02111-1307, USA.
  26  */
  27
  28 #ifndef MLIB_FDFLAGS_H
  29 #define MLIB_FDFLAGS_H
  30
  31 #ifdef __cplusplus
  32   extern "C" {
  33 #endif
  34
  35 /*----- Header files ------------------------------------------------------*/
  36
  37 #include <fcntl.h>
  38
  39 /*----- Magic numbers -----------------------------------------------------*/
  40
  41 #ifndef FD_CLOEXEC
  42 #  define FD_CLOEXEC 1
  43 #endif
  44
  45 /*----- Functions provided ------------------------------------------------*/
  46
  47 /* --- @fdflags@ --- *
  48  *
  49  * Arguments:   @int fd@ = file descriptor to fiddle with
  50  *              @unsigned fbic, fxor@ = file flags to set and clear
  51  *              @unsigned fdbic, fdxor@ = descriptor flags to set and clear
  52  *
  53  * Returns:     Zero if successful.
  54  *
  55  * Use:         Sets file descriptor flags.
  56  */
  57
  58 int fdflags(int /*fd*/, unsigned /*fbic*/, unsigned /*fxor*/,
  59             unsigned /*fdbic*/, unsigned /*fdxor*/);
  60
  61 /*----- That's all, folks -------------------------------------------------*/
  62
  63 #ifdef __cplusplus
  64   }
  65 #endif
  66
  67 #endif