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(__libc_argv, __libc_argc): Make extern. (__hurd_threadvar_max, __hurd_threadvar_stack_offset, __hurd_threadvar_stack_mask): New variables.

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This commit is contained in:
Miles Bader
1997-02-23 22:09:31 +00:00
parent 4dea6fa212
commit 6bac11d993
17 changed files with 82 additions and 68 deletions
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13
sysdeps/mach/hurd/chroot.c
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@@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -28,7 +28,8 @@ Cambridge, MA 02139, USA. */
int
DEFUN(chroot, (file_name), CONST char *file_name)
{
file_t file, dir;
error_t err;
file_t file, dir, root;
file = __file_name_lookup (file_name, O_EXEC, 0);
if (file == MACH_PORT_NULL)
@@ -38,6 +39,12 @@ DEFUN(chroot, (file_name), CONST char *file_name)
if (dir == MACH_PORT_NULL)
return -1;
_hurd_port_set (&_hurd_ports[INIT_PORT_CRDIR], dir);
/* Prevent going through DIR's .. */
err = __file_reparent (dir, MACH_PORT_NULL, &root);
__mach_port_deallocate (__mach_task_self (), dir);
if (err)
return __hurd_fail (err);
_hurd_port_set (&_hurd_ports[INIT_PORT_CRDIR], root);
return 0;
}