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Diffstat (limited to 'libstore/map.c')
-rw-r--r-- | libstore/map.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libstore/map.c b/libstore/map.c new file mode 100644 index 00000000..4ba779ea --- /dev/null +++ b/libstore/map.c @@ -0,0 +1,32 @@ +/* Direct store mapping + + Copyright (C) 1997 Free Software Foundation, Inc. + Written by Miles Bader <miles@gnu.ai.mit.edu> + This task 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. */ + +#include "store.h" + +/* Return a memory object paging on STORE. [among other reasons,] this may + fail because store contains non-contiguous regions on the underlying + object. In such a case you can try calling some of the routines below to + get a pager. */ +error_t store_map (const struct store *store, vm_prot_t prot, mach_port_t *memobj) +{ + error_t (*map) (const struct store *store, vm_prot_t prot, mach_port_t *memobj) = + store->class->map; + return map ? (*map) (store, prot, memobj) : EOPNOTSUPP; +} |