/* Synchronous subprocess invocation for GNU Emacs.
Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include "msdos.h"
#endif
-#ifdef VMS
-extern noshare char **environ;
-#else
#ifndef USE_CRT_DLL
extern char **environ;
#endif
-#endif
#ifdef HAVE_SETPGID
#if !defined (USG) || defined (BSD_PGRPS)
EXFUN (Fgetenv_internal, 2);
-#ifndef VMS /* VMS version is in vmsproc.c. */
-
static Lisp_Object
call_process_kill (fdpid)
Lisp_Object fdpid;
call_process_cleanup (fdpid)
Lisp_Object fdpid;
{
-#if defined (MSDOS) || defined (MAC_OS8)
+#if defined (MSDOS)
/* for MSDOS fdpid is really (fd . tempfile) */
register Lisp_Object file;
file = Fcdr (fdpid);
emacs_close (XFASTINT (Fcar (fdpid)));
if (strcmp (SDATA (file), NULL_DEVICE) != 0)
unlink (SDATA (file));
-#else /* not MSDOS and not MAC_OS8 */
+#else /* not MSDOS */
register int pid = XFASTINT (Fcdr (fdpid));
if (call_process_exited)
int bufsize = CALLPROC_BUFFER_SIZE_MIN;
int count = SPECPDL_INDEX ();
- register const unsigned char **new_argv
- = (const unsigned char **) alloca ((max (2, nargs - 2)) * sizeof (char *));
+ register const unsigned char **new_argv;
struct buffer *old = current_buffer;
/* File to use for stderr in the child.
t means use same as standard output. */
#ifdef MSDOS /* Demacs 1.1.1 91/10/16 HIRANO Satoshi */
char *outf, *tempfile;
int outfilefd;
-#endif
-#ifdef MAC_OS8
- char *tempfile;
- int outfilefd;
-#endif
-#if 0
- int mask;
#endif
struct coding_system process_coding; /* coding-system of process output */
struct coding_system argument_coding; /* coding-system of arguments */
GCPRO4 (infile, buffer, current_dir, error_file);
- current_dir
- = expand_and_dir_to_file (Funhandled_file_name_directory (current_dir),
- Qnil);
+ current_dir = Funhandled_file_name_directory (current_dir);
+ if (NILP (current_dir))
+ /* If the file name handler says that current_dir is unreachable, use
+ a sensible default. */
+ current_dir = build_string ("~/");
+ current_dir = expand_and_dir_to_file (current_dir, Qnil);
+ current_dir = Ffile_name_as_directory (current_dir);
+
if (NILP (Ffile_accessible_directory_p (current_dir)))
report_file_error ("Setting current directory",
Fcons (current_buffer->directory, Qnil));
&& SREF (path, 1) == ':')
path = Fsubstring (path, make_number (2), Qnil);
- new_argv[0] = SDATA (path);
+ new_argv = (const unsigned char **)
+ alloca (max (2, nargs - 2) * sizeof (char *));
if (nargs > 4)
{
register int i;
if (CODING_REQUIRE_ENCODING (&argument_coding))
/* We must encode this argument. */
args[i] = encode_coding_string (&argument_coding, args[i], 1);
- new_argv[i - 3] = SDATA (args[i]);
}
UNGCPRO;
- new_argv[nargs - 3] = 0;
+ for (i = 4; i < nargs; i++)
+ new_argv[i - 3] = SDATA (args[i]);
+ new_argv[i - 3] = 0;
}
else
new_argv[1] = 0;
+ new_argv[0] = SDATA (path);
#ifdef MSDOS /* MW, July 1993 */
if ((outf = egetenv ("TMPDIR")))
fd[1] = outfilefd;
#endif /* MSDOS */
-#ifdef MAC_OS8
- /* Since we don't have pipes on the Mac, create a temporary file to
- hold the output of the subprocess. */
- tempfile = (char *) alloca (SBYTES (Vtemp_file_name_pattern) + 1);
- bcopy (SDATA (Vtemp_file_name_pattern), tempfile,
- SBYTES (Vtemp_file_name_pattern) + 1);
-
- mktemp (tempfile);
-
- outfilefd = creat (tempfile, S_IREAD | S_IWRITE);
- if (outfilefd < 0)
- {
- close (filefd);
- report_file_error ("Opening process output file",
- Fcons (build_string (tempfile), Qnil));
- }
- fd[0] = filefd;
- fd[1] = outfilefd;
-#endif /* MAC_OS8 */
-
if (INTEGERP (buffer))
fd[1] = emacs_open (NULL_DEVICE, O_WRONLY, 0), fd[0] = -1;
else
{
#ifndef MSDOS
-#ifndef MAC_OS8
errno = 0;
if (pipe (fd) == -1)
{
emacs_close (filefd);
report_file_error ("Creating process pipe", Qnil);
}
-#endif
-#endif
-#if 0
- /* Replaced by close_process_descs */
- set_exclusive_use (fd[0]);
#endif
}
report_file_error ("Cannot redirect stderr", Fcons (error_file, Qnil));
}
-#ifdef MAC_OS8
- {
- /* Call run_mac_command in sysdep.c here directly instead of doing
- a child_setup as for MSDOS and other platforms. Note that this
- code does not handle passing the environment to the synchronous
- Mac subprocess. */
- char *infn, *outfn, *errfn, *currdn;
-
- /* close these files so subprocess can write to them */
- close (outfilefd);
- if (fd_error != outfilefd)
- close (fd_error);
- fd1 = -1; /* No harm in closing that one! */
-
- infn = SDATA (infile);
- outfn = tempfile;
- if (NILP (error_file))
- errfn = NULL_DEVICE;
- else if (EQ (Qt, error_file))
- errfn = outfn;
- else
- errfn = SDATA (error_file);
- currdn = SDATA (current_dir);
- pid = run_mac_command (new_argv, currdn, infn, outfn, errfn);
-
- /* Record that the synchronous process exited and note its
- termination status. */
- synch_process_alive = 0;
- synch_process_retcode = pid;
- if (synch_process_retcode < 0) /* means it couldn't be exec'ed */
- {
- synchronize_system_messages_locale ();
- synch_process_death = strerror (errno);
- }
-
- /* Since CRLF is converted to LF within `decode_coding', we can
- always open a file with binary mode. */
- fd[0] = open (tempfile, O_BINARY);
- if (fd[0] < 0)
- {
- unlink (tempfile);
- close (filefd);
- report_file_error ("Cannot re-open temporary file", Qnil);
- }
- }
-#else /* not MAC_OS8 */
#ifdef MSDOS /* MW, July 1993 */
/* Note that on MSDOS `child_setup' actually returns the child process
exit status, not its PID, so we assign it to `synch_process_retcode'
if (fd_error >= 0)
emacs_close (fd_error);
#endif /* not MSDOS */
-#endif /* not MAC_OS8 */
environ = save_environ;
/* Enable sending signal if user quits below. */
call_process_exited = 0;
-#if defined(MSDOS) || defined(MAC_OS8)
+#if defined(MSDOS)
/* MSDOS needs different cleanup information. */
record_unwind_protect (call_process_cleanup,
Fcons (make_number (fd[0]), build_string (tempfile)));
#else
record_unwind_protect (call_process_cleanup,
Fcons (make_number (fd[0]), make_number (pid)));
-#endif /* not MSDOS and not MAC_OS8 */
+#endif /* not MSDOS */
if (BUFFERP (buffer))
Vlocale_coding_system, 0);
return make_number (synch_process_retcode);
}
-#endif
\f
static Lisp_Object
delete_temp_file (name)
RETURN_UNGCPRO (unbind_to (count, Fcall_process (nargs, args)));
}
\f
-#ifndef VMS /* VMS version is in vmsproc.c. */
-
static int relocate_fd ();
static char **
return 0;
}
-#endif /* not VMS */
\f
/* This is run before init_cmdargs. */
dir_warning ("Warning: arch-independent data dir (%s) does not exist.\n",
Vdata_directory);
-#ifdef VMS
- Vshell_file_name = build_string ("*dcl*");
-#else
sh = (char *) getenv ("SHELL");
Vshell_file_name = build_string (sh ? sh : "/bin/sh");
-#endif
-#ifdef VMS
- Vtemp_file_name_pattern = build_string ("tmp:emacsXXXXXX.");
-#else
if (getenv ("TMPDIR"))
{
char *dir = getenv ("TMPDIR");
}
else
Vtemp_file_name_pattern = build_string ("/tmp/emacsXXXXXX");
-#endif
#ifdef DOS_NT
Vshared_game_score_directory = Qnil;
register char **envp;
#ifndef CANNOT_DUMP
if (initialized)
-#endif
{
+#else
+ {
+ Vprocess_environment = Qnil;
+#endif
for (envp = environ; *envp; envp++)
Vprocess_environment = Fcons (build_string (*envp),
Vprocess_environment);
See `setenv' and `getenv'. */);
Vprocess_environment = Qnil;
-#ifndef VMS
defsubr (&Scall_process);
defsubr (&Sgetenv_internal);
-#endif
defsubr (&Scall_process_region);
}