1 /* Template for the remote job exportation interface to GNU Make.
2 Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
3 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
4 2010 Free Software Foundation, Inc.
5 This file is part of GNU Make.
6
7 GNU Make is free software; you can redistribute it and/or modify it under the
8 terms of the GNU General Public License as published by the Free Software
9 Foundation; either version 3 of the License, or (at your option) any later
10 version.
11
12 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 A PARTICULAR PURPOSE. See the GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program. If not, see <http://www.gnu.org/licenses/>. */
18
19 #include "make.h"
20 #include "filedef.h"
21 #include "job.h"
22 #include "commands.h"
23
24
25 char *remote_description = 0;
26
27 /* Call once at startup even if no commands are run. */
28
29 void
remote_setup(void)30 remote_setup (void)
31 {
32 }
33
34 /* Called before exit. */
35
36 void
remote_cleanup(void)37 remote_cleanup (void)
38 {
39 }
40
41 /* Return nonzero if the next job should be done remotely. */
42
43 int
start_remote_job_p(int first_p UNUSED)44 start_remote_job_p (int first_p UNUSED)
45 {
46 return 0;
47 }
48
49 /* Start a remote job running the command in ARGV,
50 with environment from ENVP. It gets standard input from STDIN_FD. On
51 failure, return nonzero. On success, return zero, and set *USED_STDIN
52 to nonzero if it will actually use STDIN_FD, zero if not, set *ID_PTR to
53 a unique identification, and set *IS_REMOTE to zero if the job is local,
54 nonzero if it is remote (meaning *ID_PTR is a process ID). */
55
56 int
start_remote_job(char ** argv UNUSED,char ** envp UNUSED,int stdin_fd UNUSED,int * is_remote UNUSED,int * id_ptr UNUSED,int * used_stdin UNUSED)57 start_remote_job (char **argv UNUSED, char **envp UNUSED, int stdin_fd UNUSED,
58 int *is_remote UNUSED, int *id_ptr UNUSED,
59 int *used_stdin UNUSED)
60 {
61 return -1;
62 }
63
64 /* Get the status of a dead remote child. Block waiting for one to die
65 if BLOCK is nonzero. Set *EXIT_CODE_PTR to the exit status, *SIGNAL_PTR
66 to the termination signal or zero if it exited normally, and *COREDUMP_PTR
67 nonzero if it dumped core. Return the ID of the child that died,
68 0 if we would have to block and !BLOCK, or < 0 if there were none. */
69
70 int
remote_status(int * exit_code_ptr UNUSED,int * signal_ptr UNUSED,int * coredump_ptr UNUSED,int block UNUSED)71 remote_status (int *exit_code_ptr UNUSED, int *signal_ptr UNUSED,
72 int *coredump_ptr UNUSED, int block UNUSED)
73 {
74 errno = ECHILD;
75 return -1;
76 }
77
78 /* Block asynchronous notification of remote child death.
79 If this notification is done by raising the child termination
80 signal, do not block that signal. */
81 void
block_remote_children(void)82 block_remote_children (void)
83 {
84 return;
85 }
86
87 /* Restore asynchronous notification of remote child death.
88 If this is done by raising the child termination signal,
89 do not unblock that signal. */
90 void
unblock_remote_children(void)91 unblock_remote_children (void)
92 {
93 return;
94 }
95
96 /* Send signal SIG to child ID. Return 0 if successful, -1 if not. */
97 int
remote_kill(int id UNUSED,int sig UNUSED)98 remote_kill (int id UNUSED, int sig UNUSED)
99 {
100 return -1;
101 }
102