File: spawnattr_setflags.c

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/* Copyright (C) 2000, 2004, 2009-2015 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   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 <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <spawn.h>

#include <errno.h>
#include <string.h>

#define ALL_FLAGS (POSIX_SPAWN_RESETIDS                                       \
                   | POSIX_SPAWN_SETPGROUP                                    \
                   | POSIX_SPAWN_SETSIGDEF                                    \
                   | POSIX_SPAWN_SETSIGMASK                                   \
                   | POSIX_SPAWN_SETSCHEDPARAM                                \
                   | POSIX_SPAWN_SETSCHEDULER                                 \
                   | POSIX_SPAWN_USEVFORK)

/* Store flags in the attribute structure.  */
int
posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
{
  /* Check no invalid bits are set.  */
  if (flags & ~ALL_FLAGS)
    return EINVAL;

  /* Store the flag word.  */
  attr->_flags = flags;

  return 0;
}