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