1  /*
       2   * nonposix.h --- definitions needed on non-POSIX systems.
       3   */
       4  
       5  /*
       6   * Copyright (C) 2012, 2013, 2016, 2017, 2018, 2019, 2022
       7   * the Free Software Foundation, Inc.
       8   *
       9   * This file is part of GAWK, the GNU implementation of the
      10   * AWK Programming Language.
      11   *
      12   * GAWK is free software; you can redistribute it and/or modify
      13   * it under the terms of the GNU General Public License as published by
      14   * the Free Software Foundation; either version 3 of the License, or
      15   * (at your option) any later version.
      16   *
      17   * GAWK 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 General Public License for more details.
      21   *
      22   * You should have received a copy of the GNU General Public License
      23   * along with this program; if not, write to the Free Software
      24   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
      25   */
      26  
      27  /*
      28   * This is for fake directory file descriptors on systems that don't
      29   * allow to open() a directory.
      30   */
      31  
      32  #define FAKE_FD_VALUE 42
      33  
      34  #ifdef __MINGW32__
      35  /* Replacements for sys/wait.h macros.  */
      36  # define WEXITSTATUS(stv) (((unsigned)(stv)) & ~0xC0000000)
      37  /* MS-Windows programs that crash due to a fatal exception exit with
      38     an exit code whose 2 MSB bits are set.  */
      39  # define WIFEXITED(stv)   ((((unsigned)(stv)) & 0xC0000000) == 0)
      40  # define WIFSIGNALED(stv) ((((unsigned)(stv)) & 0xC0000000) == 0xC0000000)
      41  # define WTERMSIG(stv)    w32_status_to_termsig ((unsigned)stv)
      42  # define WIFSTOPPED(stv)  (0)
      43  # define WSTOPSIG(stv)    (0)
      44  
      45  int w32_status_to_termsig (unsigned);
      46  
      47  /* Prototypes of for Posix functions for which we define replacements
      48     in pc/ files.  */
      49  
      50  /* getid.c */
      51  unsigned int getuid (void);
      52  unsigned int geteuid (void);
      53  unsigned int getgid (void);
      54  unsigned int getegid (void);
      55  
      56  /* gawkmisc.pc */
      57  int unsetenv (const char *);
      58  int setenv (const char *, const char *, int);
      59  char *w32_setlocale (int, const char *);
      60  /* libintl.h from GNU gettext defines setlocale to redirect that to
      61     its own function.  Note: this will have to be revisited if MinGW
      62     Gawk will support ENABLE_NLS at some point.  */
      63  #ifdef setlocale
      64  # undef setlocale
      65  #endif
      66  #define setlocale(c,v) w32_setlocale(c,v)
      67  
      68  char *strsignal (int);
      69  
      70  #endif	/* __MINGW32__ */
      71  
      72  #if defined(VMS) || defined(__MINGW32__)
      73  int getpgrp(void);
      74  #endif
      75  
      76  #if defined(__MINGW32__)
      77  int getppid(void);
      78  #endif