(root)/
m4-1.4.19/
lib/
spawnattr_setflags.c
       1  /* Copyright (C) 2000, 2004, 2009-2021 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation; either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <config.h>
      18  
      19  /* Specification.  */
      20  #include <spawn.h>
      21  
      22  #include <errno.h>
      23  #include <string.h>
      24  
      25  #define ALL_FLAGS (POSIX_SPAWN_RESETIDS                                       \
      26                     | POSIX_SPAWN_SETPGROUP                                    \
      27                     | POSIX_SPAWN_SETSIGDEF                                    \
      28                     | POSIX_SPAWN_SETSIGMASK                                   \
      29                     | POSIX_SPAWN_SETSCHEDPARAM                                \
      30                     | POSIX_SPAWN_SETSCHEDULER                                 \
      31                     | POSIX_SPAWN_USEVFORK)
      32  
      33  /* Store flags in the attribute structure.  */
      34  int
      35  posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
      36  {
      37    /* Check no invalid bits are set.  */
      38    if (flags & ~ALL_FLAGS)
      39      return EINVAL;
      40  
      41    /* Store the flag word.  */
      42    attr->_flags = flags;
      43  
      44    return 0;
      45  }