gnu/dist/gmake/remote-stub.c

   1 /* Template for the remote job exportation interface to GNU Make.
   2 Copyright (C) 1988, 1989, 1992, 1993, 1996 Free Software Foundation, Inc.
   3 This file is part of GNU Make.
   4
   5 GNU Make is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 GNU Make is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GNU Make; see the file COPYING.  If not, write to
  17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18 Boston, MA 02111-1307, USA.  */
  19
  20 #include "make.h"
  21 #include "filedef.h"
  22 #include "job.h"
  23 #include "commands.h"
  24
  25
  26 char *remote_description = 0;
  27
  28 /* Call once at startup even if no commands are run.  */
  29
  30 void
  31 remote_setup ()
  32 {
  33 }
  34
  35 /* Called before exit.  */
  36
  37 void
  38 remote_cleanup ()
  39 {
  40 }
  41 \f
  42 /* Return nonzero if the next job should be done remotely.  */
  43
  44 int
  45 start_remote_job_p (first_p)
  46      int first_p;
  47 {
  48   return 0;
  49 }
  50 \f
  51 /* Start a remote job running the command in ARGV,
  52    with environment from ENVP.  It gets standard input from STDIN_FD.  On
  53    failure, return nonzero.  On success, return zero, and set *USED_STDIN
  54    to nonzero if it will actually use STDIN_FD, zero if not, set *ID_PTR to
  55    a unique identification, and set *IS_REMOTE to zero if the job is local,
  56    nonzero if it is remote (meaning *ID_PTR is a process ID).  */
  57
  58 int
  59 start_remote_job (argv, envp, stdin_fd, is_remote, id_ptr, used_stdin)
  60      char **argv, **envp;
  61      int stdin_fd;
  62      int *is_remote;
  63      int *id_ptr;
  64      int *used_stdin;
  65 {
  66   return -1;
  67 }
  68 \f
  69 /* Get the status of a dead remote child.  Block waiting for one to die
  70    if BLOCK is nonzero.  Set *EXIT_CODE_PTR to the exit status, *SIGNAL_PTR
  71    to the termination signal or zero if it exited normally, and *COREDUMP_PTR
  72    nonzero if it dumped core.  Return the ID of the child that died,
  73    0 if we would have to block and !BLOCK, or < 0 if there were none.  */
  74
  75 int
  76 remote_status (exit_code_ptr, signal_ptr, coredump_ptr, block)
  77      int *exit_code_ptr, *signal_ptr, *coredump_ptr;
  78      int block;
  79 {
  80   errno = ECHILD;
  81   return -1;
  82 }
  83
  84 /* Block asynchronous notification of remote child death.
  85    If this notification is done by raising the child termination
  86    signal, do not block that signal.  */
  87 void
  88 block_remote_children ()
  89 {
  90   return;
  91 }
  92
  93 /* Restore asynchronous notification of remote child death.
  94    If this is done by raising the child termination signal,
  95    do not unblock that signal.  */
  96 void
  97 unblock_remote_children ()
  98 {
  99   return;
 100 }
 101
 102 /* Send signal SIG to child ID.  Return 0 if successful, -1 if not.  */
 103 int
 104 remote_kill (id, sig)
 105      int id;
 106      int sig;
 107 {
 108   return -1;
 109 }