/* Save and restore the working directory, possibly using a child process.
- Copyright (C) 2006 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program 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.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
#include <fcntl.h>
#include <signal.h>
#include <stdbool.h>
+#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
-#include "exit.h"
#include "dirname.h"
#include "fcntl-safer.h"
+#ifndef ESTALE
+# define ESTALE -1
+#endif
/* Save the working directory into *WD, if it hasn't been saved
already. Return true if a child has been forked to do the real
wd->val.fd = fd;
break;
}
- if (errno != EACCES)
+ if (errno != EACCES && errno != ESTALE)
{
wd->state = ERROR_STATE;
wd->val.errnum = errno;