diff options
Diffstat (limited to 'console/pager.h')
-rw-r--r-- | console/pager.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/console/pager.h b/console/pager.h new file mode 100644 index 00000000..974db961 --- /dev/null +++ b/console/pager.h @@ -0,0 +1,47 @@ +/* pager.h - Interface to the pager for display component of a virtual console. + Copyright (C) 2002 Free Software Foundation, Inc. + Written by Marcus Brinkmann. + + This file is part of the GNU Hurd. + + The GNU Hurd 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 GNU Hurd 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ + +#ifndef PAGER_H +#define PAGER_H + +struct user_pager +{ + struct pager *pager; + memory_object_t memobj; +}; + +/* Initialize the pager for the display component. */ +void user_pager_init (void); + +/* Create a new pager in USER_PAGER with NPAGES pages, and return a + mapping to the memory in *USER. */ +error_t user_pager_create (struct user_pager *user_pager, unsigned int npages, + struct cons_display **user); + +/* Destroy the pager USER_PAGER and the mapping at USER. */ +void user_pager_destroy (struct user_pager *user_pager, + struct cons_display *user); + +/* Allocate a reference for the memory object backing the pager + USER_PAGER with protection PROT and return it. */ +mach_port_t user_pager_get_filemap (struct user_pager *user_pager, + vm_prot_t prot); + +#endif /* PAGER_H_ */ |