kc3-lang/gnulib/lib/cloexec.h

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• Hash : 281b825e
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  Date : 2018-01-01T00:57:25
  

  maint: Run 'make update-copyright'
  

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• lib/cloexec.h

• /* cloexec.c - set or clear the close-on-exec descriptor flag
  
     Copyright (C) 2004, 2009-2018 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
  
  */
  
  #include <stdbool.h>
  
  /* Set the 'FD_CLOEXEC' flag of DESC if VALUE is true,
     or clear the flag if VALUE is false.
     Return 0 on success, or -1 on error with 'errno' set.
  
     Note that on MingW, this function does NOT protect DESC from being
     inherited into spawned children.  Instead, either use dup_cloexec
     followed by closing the original DESC, or use interfaces such as
     open or pipe2 that accept flags like O_CLOEXEC to create DESC
     non-inheritable in the first place.  */
  
  int set_cloexec_flag (int desc, bool value);
  
  /* Duplicates a file handle FD, while marking the copy to be closed
     prior to exec or spawn.  Returns -1 and sets errno if FD could not
     be duplicated.  */
  
  int dup_cloexec (int fd);
  

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