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      1 /* Implementation of the KILL g77 intrinsic.
      2    Copyright (C) 2005-2024 Free Software Foundation, Inc.
      3    Contributed by Franois-Xavier Coudert <coudert (at) 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
     66