libgfortran/intrinsics/kill.c

   1 /* Implementation of the KILL g77 intrinsic.
   2    Copyright (C) 2005-2023 Free Software Foundation, Inc.
   3    Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
   4
   5 This file is part of the GNU Fortran runtime library (libgfortran).
   6
   7 Libgfortran is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public
   9 License as published by the Free Software Foundation; either
  10 version 3 of the License, or (at your option) any later version.
  11
  12 Libgfortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 #include "libgfortran.h"
  27 #include <errno.h>
  28 #include <signal.h>
  29
  30
  31 /* SUBROUTINE KILL(PID, SIGNAL, STATUS)
  32    INTEGER, INTENT(IN) :: PID, SIGNAL
  33    INTEGER(KIND=1), INTENT(OUT), OPTIONAL :: STATUS
  34
  35    INTEGER FUNCTION KILL(PID, SIGNAL)
  36    INTEGER, INTENT(IN) :: PID, SIGNAL */
  37
  38 #ifdef HAVE_KILL
  39 extern void kill_sub (GFC_INTEGER_4, GFC_INTEGER_4, GFC_INTEGER_4 *);
  40 iexport_proto(kill_sub);
  41
  42 void
  43 kill_sub (GFC_INTEGER_4 pid, GFC_INTEGER_4 signal, GFC_INTEGER_4 *status)
  44 {
  45   int val;
  46
  47   val = kill (pid, signal);
  48
  49   if (status != NULL)
  50     *status = (val == 0) ? 0 : errno;
  51 }
  52 iexport(kill_sub);
  53
  54 extern GFC_INTEGER_4 PREFIX (kill) (GFC_INTEGER_4, GFC_INTEGER_4);
  55 export_proto_np(PREFIX (kill));
  56
  57 GFC_INTEGER_4
  58 PREFIX (kill) (GFC_INTEGER_4 pid, GFC_INTEGER_4 signal)
  59 {
  60   int val;
  61   val = (int)kill (pid, signal);
  62   return ((val == 0) ? 0 : errno);
  63 }
  64
  65 #endif