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/* Utility and Unix shadow routines for GNU Emacs support programs on NT.
Copyright (C) 1994 Free Software Foundation, Inc.
This file is part of GNU Emacs.
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 2, 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 MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the 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, 675 Mass Ave, Cambridge, MA 02139, USA.
Geoff Voelker (voelker@cs.washington.edu) 10-8-94
*/
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#define MAXPATHLEN _MAX_PATH
/* Emulate sleep...we could have done this with a define, but that
would necessitate including windows.h in the files that used it.
This is much easier. */
void
nt_sleep(int seconds)
{
Sleep (seconds * 1000);
}
/* Get the current working directory. */
int
getwd (char *dir)
{
return GetCurrentDirectory (MAXPATHLEN, dir);
}
static HANDLE getppid_parent;
static int getppid_ppid;
int
getppid(void)
{
char *ppid;
DWORD result;
ppid = getenv ("__PARENT_PROCESS_ID");
if (!ppid)
{
printf("no pid.\n");
return 0;
}
else
{
getppid_ppid = atoi (ppid);
}
if (!getppid_parent)
{
getppid_parent = OpenProcess (SYNCHRONIZE, FALSE, atoi(ppid));
if (!getppid_parent)
{
printf ("Failed to open handle to parent process: %d\n",
GetLastError());
exit (1);
}
}
result = WaitForSingleObject (getppid_parent, 0);
switch (result)
{
case WAIT_TIMEOUT:
/* The parent is still alive. */
return getppid_ppid;
case WAIT_OBJECT_0:
/* The parent is gone. Return the pid of Unix init (1). */
return 1;
case WAIT_FAILED:
default:
printf ("Checking parent status failed: %d\n", GetLastError());
exit (1);
}
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.