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5a17353c DD |
1 | /* Utilities to execute a program in a subprocess (possibly linked by pipes |
2 | with other subprocesses), and wait for it. OS/2 specialization. | |
3 | Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003 | |
4 | Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of the libiberty library. | |
7 | Libiberty is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Library General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2 of the License, or (at your option) any later version. | |
11 | ||
12 | Libiberty 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 GNU | |
15 | Library General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Library General Public | |
18 | License along with libiberty; see the file COPYING.LIB. If not, | |
19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "pex-common.h" | |
23 | ||
24 | #ifdef HAVE_UNISTD_H | |
25 | #include <unistd.h> | |
26 | #endif | |
27 | #ifdef HAVE_STDLIB_H | |
28 | #include <stdlib.h> | |
29 | #endif | |
30 | #ifdef HAVE_SYS_WAIT_H | |
31 | #include <sys/wait.h> | |
32 | #endif | |
33 | ||
34 | /* ??? Does OS2 have process.h? */ | |
35 | extern int spawnv (); | |
36 | extern int spawnvp (); | |
37 | ||
38 | int | |
39 | pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags) | |
40 | const char *program; | |
41 | char * const *argv; | |
42 | const char *this_pname; | |
43 | const char *temp_base; | |
44 | char **errmsg_fmt, **errmsg_arg; | |
45 | int flags; | |
46 | { | |
47 | int pid; | |
48 | ||
49 | if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE) | |
50 | abort (); | |
51 | /* ??? Presumably 1 == _P_NOWAIT. */ | |
52 | pid = (flags & PEXECUTE_SEARCH ? spawnvp : spawnv) (1, program, argv); | |
53 | if (pid == -1) | |
54 | { | |
55 | *errmsg_fmt = install_error_msg; | |
56 | *errmsg_arg = program; | |
57 | return -1; | |
58 | } | |
59 | return pid; | |
60 | } | |
61 | ||
62 | int | |
63 | pwait (pid, status, flags) | |
64 | int pid; | |
65 | int *status; | |
66 | int flags; | |
67 | { | |
68 | /* ??? Here's an opportunity to canonicalize the values in STATUS. | |
69 | Needed? */ | |
70 | int pid = wait (status); | |
71 | return pid; | |
72 | } |