diff options
Diffstat (limited to 'libiberty/pex-os2.c')
-rw-r--r-- | libiberty/pex-os2.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libiberty/pex-os2.c b/libiberty/pex-os2.c new file mode 100644 index 0000000..d9eacf1 --- /dev/null +++ b/libiberty/pex-os2.c @@ -0,0 +1,72 @@ +/* Utilities to execute a program in a subprocess (possibly linked by pipes + with other subprocesses), and wait for it. OS/2 specialization. + Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003 + Free Software Foundation, Inc. + +This file is part of the libiberty library. +Libiberty is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public +License as published by the Free Software Foundation; either +version 2 of the License, or (at your option) any later version. + +Libiberty is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with libiberty; see the file COPYING.LIB. If not, +write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "pex-common.h" + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif + +/* ??? Does OS2 have process.h? */ +extern int spawnv (); +extern int spawnvp (); + +int +pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags) + const char *program; + char * const *argv; + const char *this_pname; + const char *temp_base; + char **errmsg_fmt, **errmsg_arg; + int flags; +{ + int pid; + + if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE) + abort (); + /* ??? Presumably 1 == _P_NOWAIT. */ + pid = (flags & PEXECUTE_SEARCH ? spawnvp : spawnv) (1, program, argv); + if (pid == -1) + { + *errmsg_fmt = install_error_msg; + *errmsg_arg = program; + return -1; + } + return pid; +} + +int +pwait (pid, status, flags) + int pid; + int *status; + int flags; +{ + /* ??? Here's an opportunity to canonicalize the values in STATUS. + Needed? */ + int pid = wait (status); + return pid; +} |