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
6This file is part of the libiberty library.
7Libiberty is free software; you can redistribute it and/or
8modify it under the terms of the GNU Library General Public
9License as published by the Free Software Foundation; either
10version 2 of the License, or (at your option) any later version.
11
12Libiberty is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15Library General Public License for more details.
16
17You should have received a copy of the GNU Library General Public
18License along with libiberty; see the file COPYING.LIB.  If not,
19write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20Boston, 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?  */
35extern int spawnv ();
36extern int spawnvp ();
37
38int
39pexecute (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
62int
63pwait (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}
73